./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--fcoe--fcoe.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta --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 b09307eff68471b13f9f4af8ca37265160c175233f57a4afa3e4fdd6d6503a6b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:23:14,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:23:14,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:23:14,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:23:14,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:23:14,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:23:14,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:23:14,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:23:14,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:23:14,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:23:14,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:23:14,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:23:14,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:23:14,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:23:14,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:23:14,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:23:14,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:23:14,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:23:14,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:23:14,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:23:14,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:23:14,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:23:14,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:23:14,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:23:14,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:23:14,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:23:14,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:23:14,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:23:14,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:23:14,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:23:14,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:23:14,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:23:14,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:23:14,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:23:14,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:23:14,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:23:14,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:23:14,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:23:14,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:23:14,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:23:14,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:23:14,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:23:14,905 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:23:14,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:23:14,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:23:14,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:23:14,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:23:14,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:23:14,907 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:23:14,908 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:23:14,908 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:23:14,908 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:23:14,908 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:23:14,909 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:23:14,909 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:23:14,909 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:23:14,909 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:23:14,910 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:23:14,910 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:23:14,910 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:23:14,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:23:14,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:23:14,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:23:14,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:23:14,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:23:14,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:23:14,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:23:14,913 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:23:14,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:23:14,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:23:14,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:23:14,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:23:14,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:23:14,914 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:23:14,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:23:14,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:23:14,915 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:23:14,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:23:14,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:23:14,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:23:14,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b09307eff68471b13f9f4af8ca37265160c175233f57a4afa3e4fdd6d6503a6b [2022-10-17 17:23:15,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:23:15,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:23:15,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:23:15,236 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:23:15,237 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:23:15,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-10-17 17:23:15,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/data/6e9ae2bd7/f0056d1741804aa99f116bdad954c6c6/FLAGf2b522e1a [2022-10-17 17:23:16,489 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:23:16,490 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-10-17 17:23:16,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/data/6e9ae2bd7/f0056d1741804aa99f116bdad954c6c6/FLAGf2b522e1a [2022-10-17 17:23:16,686 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/data/6e9ae2bd7/f0056d1741804aa99f116bdad954c6c6 [2022-10-17 17:23:16,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:23:16,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:23:16,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:23:16,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:23:16,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:23:16,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:23:16" (1/1) ... [2022-10-17 17:23:16,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a4ba6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:16, skipping insertion in model container [2022-10-17 17:23:16,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:23:16" (1/1) ... [2022-10-17 17:23:16,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:23:16,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:23:20,647 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_02195cee-1137-40cd-89ad-e51808f44f60/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[416808,416821] [2022-10-17 17:23:20,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:23:20,790 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:23:21,369 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_02195cee-1137-40cd-89ad-e51808f44f60/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[416808,416821] [2022-10-17 17:23:21,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:23:21,583 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:23:21,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21 WrapperNode [2022-10-17 17:23:21,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:23:21,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:23:21,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:23:21,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:23:21,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (1/1) ... [2022-10-17 17:23:21,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (1/1) ... [2022-10-17 17:23:21,953 INFO L138 Inliner]: procedures = 426, calls = 2213, calls flagged for inlining = 204, calls inlined = 184, statements flattened = 6226 [2022-10-17 17:23:21,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:23:21,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:23:21,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:23:21,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:23:21,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (1/1) ... [2022-10-17 17:23:21,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (1/1) ... [2022-10-17 17:23:22,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (1/1) ... [2022-10-17 17:23:22,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (1/1) ... [2022-10-17 17:23:22,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (1/1) ... [2022-10-17 17:23:22,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (1/1) ... [2022-10-17 17:23:22,329 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (1/1) ... [2022-10-17 17:23:22,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (1/1) ... [2022-10-17 17:23:22,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:23:22,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:23:22,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:23:22,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:23:22,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (1/1) ... [2022-10-17 17:23:22,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:23:22,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:23:22,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:23:22,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02195cee-1137-40cd-89ad-e51808f44f60/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:23:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_done [2022-10-17 17:23:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_done [2022-10-17 17:23:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_get_wwn [2022-10-17 17:23:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_get_wwn [2022-10-17 17:23:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_bsg_request [2022-10-17 17:23:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_bsg_request [2022-10-17 17:23:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-17 17:23:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_del [2022-10-17 17:23:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_del [2022-10-17 17:23:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-10-17 17:23:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-10-17 17:23:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:23:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:23:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-10-17 17:23:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-10-17 17:23:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 17:23:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 17:23:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_header_get [2022-10-17 17:23:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_header_get [2022-10-17 17:23:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 17:23:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 17:23:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:23:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:23:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev [2022-10-17 17:23:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev [2022-10-17 17:23:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_recv_flogi [2022-10-17 17:23:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_recv_flogi [2022-10-17 17:23:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_setlink [2022-10-17 17:23:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_setlink [2022-10-17 17:23:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_abort [2022-10-17 17:23:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_abort [2022-10-17 17:23:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-10-17 17:23:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-10-17 17:23:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_dev_from_skb [2022-10-17 17:23:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_dev_from_skb [2022-10-17 17:23:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2022-10-17 17:23:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2022-10-17 17:23:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_create [2022-10-17 17:23:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_create [2022-10-17 17:23:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_priv [2022-10-17 17:23:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_priv [2022-10-17 17:23:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2022-10-17 17:23:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2022-10-17 17:23:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_ok [2022-10-17 17:23:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_ok [2022-10-17 17:23:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_vport_destroy [2022-10-17 17:23:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_vport_destroy [2022-10-17 17:23:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_alloc [2022-10-17 17:23:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_alloc [2022-10-17 17:23:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_port_state [2022-10-17 17:23:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_port_state [2022-10-17 17:23:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure fc_release_transport [2022-10-17 17:23:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_release_transport [2022-10-17 17:23:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_reset [2022-10-17 17:23:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_reset [2022-10-17 17:23:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 17:23:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 17:23:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 17:23:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 17:23:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_speed_update [2022-10-17 17:23:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_speed_update [2022-10-17 17:23:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_xmit [2022-10-17 17:23:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_xmit [2022-10-17 17:23:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_logoff [2022-10-17 17:23:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_logoff [2022-10-17 17:23:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:23:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_get [2022-10-17 17:23:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_get [2022-10-17 17:23:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 17:23:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 17:23:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_remove [2022-10-17 17:23:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_remove [2022-10-17 17:23:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_alloc [2022-10-17 17:23:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_alloc [2022-10-17 17:23:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure is_fip_mode [2022-10-17 17:23:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fip_mode [2022-10-17 17:23:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-17 17:23:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-17 17:23:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_check_wait_queue [2022-10-17 17:23:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_check_wait_queue [2022-10-17 17:23:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_login [2022-10-17 17:23:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_login [2022-10-17 17:23:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:23:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2022-10-17 17:23:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2022-10-17 17:23:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_target [2022-10-17 17:23:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_target [2022-10-17 17:23:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_rport_loss_tmo [2022-10-17 17:23:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_rport_loss_tmo [2022-10-17 17:23:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:23:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_setup [2022-10-17 17:23:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_setup [2022-10-17 17:23:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:23:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:23:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:23:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_wwn_from_mac [2022-10-17 17:23:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_wwn_from_mac [2022-10-17 17:23:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-10-17 17:23:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-10-17 17:23:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-10-17 17:23:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-10-17 17:23:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 17:23:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 17:23:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure fc_attach_transport [2022-10-17 17:23:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_attach_transport [2022-10-17 17:23:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_lookup_port [2022-10-17 17:23:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_lookup_port [2022-10-17 17:23:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_getapp [2022-10-17 17:23:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_getapp [2022-10-17 17:23:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_terminate_io [2022-10-17 17:23:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_terminate_io [2022-10-17 17:23:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-10-17 17:23:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-10-17 17:23:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure _fcoe_create [2022-10-17 17:23:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure _fcoe_create [2022-10-17 17:23:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_free [2022-10-17 17:23:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_free [2022-10-17 17:23:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 17:23:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 17:23:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-10-17 17:23:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-10-17 17:23:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:23:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_ieee_getapp_mask [2022-10-17 17:23:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_ieee_getapp_mask [2022-10-17 17:23:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:23:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_mfs [2022-10-17 17:23:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_mfs [2022-10-17 17:23:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:23:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 17:23:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-10-17 17:23:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-10-17 17:23:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 17:23:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 17:23:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_up [2022-10-17 17:23:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_up [2022-10-17 17:23:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure lport_priv [2022-10-17 17:23:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure lport_priv [2022-10-17 17:23:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev_features_change [2022-10-17 17:23:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev_features_change [2022-10-17 17:23:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_disable [2022-10-17 17:23:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_disable [2022-10-17 17:23:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 17:23:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 17:23:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_set_state [2022-10-17 17:23:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_set_state [2022-10-17 17:23:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_clean_pending_queue [2022-10-17 17:23:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_clean_pending_queue [2022-10-17 17:23:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2022-10-17 17:23:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2022-10-17 17:23:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_enabled [2022-10-17 17:23:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_enabled [2022-10-17 17:23:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_down [2022-10-17 17:23:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_down [2022-10-17 17:23:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-10-17 17:23:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-10-17 17:23:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-10-17 17:23:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-10-17 17:23:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:23:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:23:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2022-10-17 17:23:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2022-10-17 17:23:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-17 17:23:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-17 17:23:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 17:23:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 17:23:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_op [2022-10-17 17:23:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_op [2022-10-17 17:23:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_get_lesb [2022-10-17 17:23:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_get_lesb [2022-10-17 17:23:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:23:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:23:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:23:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:23:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure fc_elsct_send [2022-10-17 17:23:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_elsct_send [2022-10-17 17:23:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_vlan_id [2022-10-17 17:23:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_vlan_id [2022-10-17 17:23:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure fc_queuecommand [2022-10-17 17:23:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_queuecommand [2022-10-17 17:23:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 17:23:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 17:23:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-10-17 17:23:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-10-17 17:23:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-17 17:23:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-10-17 17:23:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-10-17 17:23:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_speed [2022-10-17 17:23:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_speed [2022-10-17 17:23:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-10-17 17:23:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-10-17 17:23:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_create [2022-10-17 17:23:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_create [2022-10-17 17:23:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 17:23:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 17:23:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:23:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:23:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_destroy [2022-10-17 17:23:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_destroy [2022-10-17 17:23:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:23:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:23:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:23:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:23:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_priv [2022-10-17 17:23:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_priv [2022-10-17 17:23:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_del [2022-10-17 17:23:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_del [2022-10-17 17:23:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy [2022-10-17 17:23:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy [2022-10-17 17:23:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 17:23:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 17:23:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-10-17 17:23:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-10-17 17:23:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_device_reset [2022-10-17 17:23:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_device_reset [2022-10-17 17:23:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:23:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 17:23:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 17:23:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwpn [2022-10-17 17:23:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwpn [2022-10-17 17:23:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-10-17 17:23:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-10-17 17:23:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:23:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-10-17 17:23:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-10-17 17:23:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 17:23:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 17:23:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-10-17 17:23:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-10-17 17:23:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_destroy [2022-10-17 17:23:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_destroy [2022-10-17 17:23:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-10-17 17:23:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-10-17 17:23:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-10-17 17:23:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-10-17 17:23:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_cleanup [2022-10-17 17:23:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_cleanup [2022-10-17 17:23:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:23:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-10-17 17:23:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-10-17 17:23:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-17 17:23:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-17 17:23:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure dev_add_pack [2022-10-17 17:23:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_add_pack [2022-10-17 17:23:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwnn [2022-10-17 17:23:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwnn [2022-10-17 17:23:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-10-17 17:23:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-10-17 17:23:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 17:23:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 17:23:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_stats [2022-10-17 17:23:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_stats [2022-10-17 17:23:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_46 [2022-10-17 17:23:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_46 [2022-10-17 17:23:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_enable [2022-10-17 17:23:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_enable [2022-10-17 17:23:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure ntoh24 [2022-10-17 17:23:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ntoh24 [2022-10-17 17:23:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_add [2022-10-17 17:23:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_add [2022-10-17 17:23:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-10-17 17:23:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-10-17 17:23:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-10-17 17:23:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-10-17 17:23:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_destroy [2022-10-17 17:23:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_destroy [2022-10-17 17:23:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-10-17 17:23:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-10-17 17:23:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_setup [2022-10-17 17:23:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_setup [2022-10-17 17:23:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-10-17 17:23:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-10-17 17:23:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:23:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_create [2022-10-17 17:23:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_create [2022-10-17 17:23:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_delete [2022-10-17 17:23:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_delete [2022-10-17 17:23:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:23:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:23:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2022-10-17 17:23:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2022-10-17 17:23:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 17:23:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 17:23:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-10-17 17:23:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-10-17 17:23:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-17 17:23:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-17 17:23:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2022-10-17 17:23:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2022-10-17 17:23:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_port_send [2022-10-17 17:23:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_port_send [2022-10-17 17:23:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_host_reset [2022-10-17 17:23:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_host_reset [2022-10-17 17:23:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy_work [2022-10-17 17:23:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy_work [2022-10-17 17:23:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-10-17 17:23:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-10-17 17:23:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-10-17 17:23:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-10-17 17:23:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-10-17 17:23:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-10-17 17:23:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure fc_slave_alloc [2022-10-17 17:23:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_slave_alloc [2022-10-17 17:23:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-10-17 17:23:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-10-17 17:23:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_elsct_send [2022-10-17 17:23:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_elsct_send [2022-10-17 17:23:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_real_dev [2022-10-17 17:23:22,616 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_real_dev [2022-10-17 17:23:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2022-10-17 17:23:22,616 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2022-10-17 17:23:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-10-17 17:23:22,616 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-10-17 17:23:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2022-10-17 17:23:22,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2022-10-17 17:23:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_remove_pack [2022-10-17 17:23:22,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_remove_pack [2022-10-17 17:23:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:23:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-10-17 17:23:22,617 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-10-17 17:23:23,978 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:23:23,989 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:23:24,745 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:23:31,785 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:23:34,900 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:23:34,900 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:23:34,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:34 BoogieIcfgContainer [2022-10-17 17:23:34,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:23:34,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:23:34,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:23:34,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:23:34,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:23:16" (1/3) ... [2022-10-17 17:23:34,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e4ee88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:34, skipping insertion in model container [2022-10-17 17:23:34,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:21" (2/3) ... [2022-10-17 17:23:34,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e4ee88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:34, skipping insertion in model container [2022-10-17 17:23:34,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:34" (3/3) ... [2022-10-17 17:23:34,919 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-10-17 17:23:34,941 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:23:34,941 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:23:35,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:23:35,083 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@17430251, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:23:35,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:23:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 1815 states, 1092 states have (on average 1.347985347985348) internal successors, (1472), 1151 states have internal predecessors, (1472), 572 states have call successors, (572), 150 states have call predecessors, (572), 149 states have return successors, (559), 549 states have call predecessors, (559), 559 states have call successors, (559) [2022-10-17 17:23:35,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-10-17 17:23:35,165 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:23:35,167 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 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] [2022-10-17 17:23:35,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:23:35,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:23:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1799025206, now seen corresponding path program 1 times [2022-10-17 17:23:35,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:23:35,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363605340] [2022-10-17 17:23:35,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:23:35,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:23:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:23:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-10-17 17:23:36,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:23:36,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363605340] [2022-10-17 17:23:36,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363605340] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:23:36,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:23:36,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:23:36,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212140901] [2022-10-17 17:23:36,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:23:36,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:23:36,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:23:36,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:23:36,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:23:36,894 INFO L87 Difference]: Start difference. First operand has 1815 states, 1092 states have (on average 1.347985347985348) internal successors, (1472), 1151 states have internal predecessors, (1472), 572 states have call successors, (572), 150 states have call predecessors, (572), 149 states have return successors, (559), 549 states have call predecessors, (559), 559 states have call successors, (559) Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-10-17 17:23:40,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:23:40,748 INFO L93 Difference]: Finished difference Result 5220 states and 7538 transitions. [2022-10-17 17:23:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:23:40,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 391 [2022-10-17 17:23:40,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:23:40,805 INFO L225 Difference]: With dead ends: 5220 [2022-10-17 17:23:40,805 INFO L226 Difference]: Without dead ends: 3427 [2022-10-17 17:23:40,823 INFO L412 NwaCegarLoop]: 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 [2022-10-17 17:23:40,827 INFO L413 NwaCegarLoop]: 2810 mSDtfsCounter, 2444 mSDsluCounter, 2470 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2444 SdHoareTripleChecker+Valid, 4999 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-17 17:23:40,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2444 Valid, 4999 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-17 17:23:40,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2022-10-17 17:23:41,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 3423. [2022-10-17 17:23:41,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3423 states, 2079 states have (on average 1.3367003367003367) internal successors, (2779), 2168 states have internal predecessors, (2779), 1052 states have call successors, (1052), 292 states have call predecessors, (1052), 291 states have return successors, (1049), 1029 states have call predecessors, (1049), 1049 states have call successors, (1049) [2022-10-17 17:23:41,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 4880 transitions. [2022-10-17 17:23:41,244 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 4880 transitions. Word has length 391 [2022-10-17 17:23:41,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:23:41,247 INFO L495 AbstractCegarLoop]: Abstraction has 3423 states and 4880 transitions. [2022-10-17 17:23:41,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-10-17 17:23:41,248 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 4880 transitions. [2022-10-17 17:23:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-10-17 17:23:41,268 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:23:41,268 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:23:41,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:23:41,269 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:23:41,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:23:41,270 INFO L85 PathProgramCache]: Analyzing trace with hash -445108194, now seen corresponding path program 1 times [2022-10-17 17:23:41,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:23:41,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374184304] [2022-10-17 17:23:41,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:23:41,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:23:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:23:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1753 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1753 trivial. 0 not checked. [2022-10-17 17:23:44,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:23:44,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374184304] [2022-10-17 17:23:44,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374184304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:23:44,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:23:44,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-17 17:23:44,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041744855] [2022-10-17 17:23:44,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:23:44,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-17 17:23:44,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:23:44,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 17:23:44,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-17 17:23:44,083 INFO L87 Difference]: Start difference. First operand 3423 states and 4880 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (55), 4 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51)