./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--libfc--libfc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--libfc--libfc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash df0142f01e8dc7395ac2d7febe55521342ae4d40800e7cf114c6d5c4f1ccf681 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:41:03,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:41:03,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:41:03,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:41:03,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:41:03,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:41:03,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:41:03,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:41:03,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:41:03,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:41:03,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:41:03,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:41:03,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:41:03,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:41:03,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:41:03,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:41:03,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:41:03,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:41:03,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:41:03,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:41:03,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:41:03,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:41:03,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:41:03,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:41:03,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:41:03,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:41:03,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:41:03,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:41:03,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:41:03,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:41:03,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:41:03,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:41:03,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:41:03,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:41:03,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:41:03,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:41:03,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:41:03,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:41:03,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:41:03,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:41:03,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:41:03,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:41:03,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:41:03,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:41:03,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:41:03,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:41:03,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:41:03,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:41:03,970 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:41:03,970 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:41:03,970 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:41:03,971 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:41:03,971 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:41:03,971 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:41:03,972 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:41:03,972 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:41:03,972 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:41:03,973 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:41:03,973 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:41:03,973 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:41:03,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:41:03,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:41:03,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:41:03,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:41:03,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:41:03,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:41:03,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:41:03,985 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:41:03,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:41:03,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:41:03,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:41:03,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:41:03,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:41:03,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:41:03,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:41:03,991 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:41:03,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:41:03,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:41:03,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:41:03,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:41:03,994 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_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df0142f01e8dc7395ac2d7febe55521342ae4d40800e7cf114c6d5c4f1ccf681 [2021-11-23 02:41:04,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:41:04,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:41:04,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:41:04,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:41:04,375 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:41:04,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--libfc--libfc.ko-entry_point.cil.out.i [2021-11-23 02:41:04,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/data/57f59ebb6/5c923b82be474809a0638627f01a0ba8/FLAG381bbb164 [2021-11-23 02:41:06,043 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:41:06,044 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--libfc--libfc.ko-entry_point.cil.out.i [2021-11-23 02:41:06,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/data/57f59ebb6/5c923b82be474809a0638627f01a0ba8/FLAG381bbb164 [2021-11-23 02:41:06,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/data/57f59ebb6/5c923b82be474809a0638627f01a0ba8 [2021-11-23 02:41:06,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:41:06,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:41:06,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:41:06,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:41:06,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:41:06,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:41:06" (1/1) ... [2021-11-23 02:41:06,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac08654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:06, skipping insertion in model container [2021-11-23 02:41:06,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:41:06" (1/1) ... [2021-11-23 02:41:06,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:41:06,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:41:16,438 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_3ac51a41-08d7-44ab-8114-ee1301a23f97/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--libfc--libfc.ko-entry_point.cil.out.i[709275,709288] [2021-11-23 02:41:16,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:41:16,656 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:41:18,536 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_3ac51a41-08d7-44ab-8114-ee1301a23f97/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--libfc--libfc.ko-entry_point.cil.out.i[709275,709288] [2021-11-23 02:41:18,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:41:18,930 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:41:18,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18 WrapperNode [2021-11-23 02:41:18,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:41:18,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:41:18,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:41:18,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:41:18,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18" (1/1) ... [2021-11-23 02:41:19,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18" (1/1) ... [2021-11-23 02:41:19,975 INFO L137 Inliner]: procedures = 749, calls = 8021, calls flagged for inlining = 189, calls inlined = 181, statements flattened = 10948 [2021-11-23 02:41:19,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:41:19,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:41:19,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:41:19,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:41:19,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18" (1/1) ... [2021-11-23 02:41:19,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18" (1/1) ... [2021-11-23 02:41:20,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18" (1/1) ... [2021-11-23 02:41:20,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18" (1/1) ... [2021-11-23 02:41:20,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18" (1/1) ... [2021-11-23 02:41:20,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18" (1/1) ... [2021-11-23 02:41:20,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18" (1/1) ... [2021-11-23 02:41:21,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:41:21,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:41:21,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:41:21,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:41:21,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18" (1/1) ... [2021-11-23 02:41:21,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:41:21,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:41:21,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:41:21,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac51a41-08d7-44ab-8114-ee1301a23f97/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:41:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure fc_tm_done [2021-11-23 02:41:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_tm_done [2021-11-23 02:41:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 02:41:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 02:41:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_cleanup_each_cmd [2021-11-23 02:41:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_cleanup_each_cmd [2021-11-23 02:41:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_send_last [2021-11-23 02:41:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_send_last [2021-11-23 02:41:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_recv_adisc_req [2021-11-23 02:41:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_recv_adisc_req [2021-11-23 02:41:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_els_prli [2021-11-23 02:41:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_els_prli [2021-11-23 02:41:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_ptr_set [2021-11-23 02:41:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_ptr_set [2021-11-23 02:41:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_state [2021-11-23 02:41:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_state [2021-11-23 02:41:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-11-23 02:41:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-11-23 02:41:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:41:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:41:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_send_data [2021-11-23 02:41:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_send_data [2021-11-23 02:41:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_pkt_abort [2021-11-23 02:41:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_pkt_abort [2021-11-23 02:41:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_create [2021-11-23 02:41:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_create [2021-11-23 02:41:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure fc_copy_buffer_to_sglist [2021-11-23 02:41:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_copy_buffer_to_sglist [2021-11-23 02:41:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 02:41:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 02:41:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_header_get [2021-11-23 02:41:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_header_get [2021-11-23 02:41:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 02:41:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 02:41:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:41:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:41:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_rport_callback [2021-11-23 02:41:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_rport_callback [2021-11-23 02:41:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2021-11-23 02:41:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2021-11-23 02:41:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_setlink [2021-11-23 02:41:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_setlink [2021-11-23 02:41:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_abort [2021-11-23 02:41:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_abort [2021-11-23 02:41:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_exch_abort [2021-11-23 02:41:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_exch_abort [2021-11-23 02:41:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_resp [2021-11-23 02:41:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_resp [2021-11-23 02:41:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_alloc [2021-11-23 02:41:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_alloc [2021-11-23 02:41:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure fc_els_resp_type [2021-11-23 02:41:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_els_resp_type [2021-11-23 02:41:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~~u32~0~TO~$Pointer$ [2021-11-23 02:41:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~~u32~0~TO~$Pointer$ [2021-11-23 02:41:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_add_fc4_type [2021-11-23 02:41:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_add_fc4_type [2021-11-23 02:41:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:41:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:41:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_recv_els_req [2021-11-23 02:41:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_recv_els_req [2021-11-23 02:41:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-11-23 02:41:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-11-23 02:41:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_free [2021-11-23 02:41:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_free [2021-11-23 02:41:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-11-23 02:41:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-11-23 02:41:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_recv_req [2021-11-23 02:41:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_recv_req [2021-11-23 02:41:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_pkt_send [2021-11-23 02:41:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_pkt_send [2021-11-23 02:41:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_id [2021-11-23 02:41:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_id [2021-11-23 02:41:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2021-11-23 02:41:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2021-11-23 02:41:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_alloc [2021-11-23 02:41:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_alloc [2021-11-23 02:41:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-23 02:41:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-23 02:41:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 02:41:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 02:41:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_fc_rport [2021-11-23 02:41:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_fc_rport [2021-11-23 02:41:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:41:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:41:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_send [2021-11-23 02:41:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_send [2021-11-23 02:41:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_state_enter [2021-11-23 02:41:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_state_enter [2021-11-23 02:41:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-23 02:41:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-23 02:41:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_state_enter [2021-11-23 02:41:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_state_enter [2021-11-23 02:41:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_disc_callback [2021-11-23 02:41:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_disc_callback [2021-11-23 02:41:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_rrq [2021-11-23 02:41:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_rrq [2021-11-23 02:41:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_lport_queue_ready [2021-11-23 02:41:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_lport_queue_ready [2021-11-23 02:41:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_delete [2021-11-23 02:41:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_delete [2021-11-23 02:41:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_recv [2021-11-23 02:41:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_recv [2021-11-23 02:41:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_can_queue_ramp_down [2021-11-23 02:41:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_can_queue_ramp_down [2021-11-23 02:41:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be64 [2021-11-23 02:41:21,312 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be64 [2021-11-23 02:41:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 02:41:21,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 02:41:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 02:41:21,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 02:41:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_enter_flogi [2021-11-23 02:41:21,315 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_enter_flogi [2021-11-23 02:41:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_els_request [2021-11-23 02:41:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_els_request [2021-11-23 02:41:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 02:41:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_recovery [2021-11-23 02:41:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_recovery [2021-11-23 02:41:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:41:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:41:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:41:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:41:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure fc_sof_needs_ack [2021-11-23 02:41:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_sof_needs_ack [2021-11-23 02:41:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure fc_sof_is_init [2021-11-23 02:41:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_sof_is_init [2021-11-23 02:41:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_logoff [2021-11-23 02:41:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_logoff [2021-11-23 02:41:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:41:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_rtv_resp [2021-11-23 02:41:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_rtv_resp [2021-11-23 02:41:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_get [2021-11-23 02:41:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_get [2021-11-23 02:41:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_bsg_resp [2021-11-23 02:41:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_bsg_resp [2021-11-23 02:41:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_find [2021-11-23 02:41:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_find [2021-11-23 02:41:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_is_linear [2021-11-23 02:41:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_is_linear [2021-11-23 02:41:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 02:41:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 02:41:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure fc_block_scsi_eh [2021-11-23 02:41:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_block_scsi_eh [2021-11-23 02:41:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_enter_flogi [2021-11-23 02:41:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_enter_flogi [2021-11-23 02:41:21,334 INFO L130 BoogieDeclarations]: Found specification of procedure fc_sof_class [2021-11-23 02:41:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_sof_class [2021-11-23 02:41:21,334 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_restart [2021-11-23 02:41:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_restart [2021-11-23 02:41:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_recv_abts [2021-11-23 02:41:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_recv_abts [2021-11-23 02:41:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_pkt_alloc [2021-11-23 02:41:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_pkt_alloc [2021-11-23 02:41:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_ns_resp [2021-11-23 02:41:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_ns_resp [2021-11-23 02:41:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 02:41:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 02:41:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_login [2021-11-23 02:41:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_login [2021-11-23 02:41:21,337 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_recv_data [2021-11-23 02:41:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_recv_data [2021-11-23 02:41:21,337 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_recv_logo_req [2021-11-23 02:41:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_recv_logo_req [2021-11-23 02:41:21,337 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_enter_adisc [2021-11-23 02:41:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_enter_adisc [2021-11-23 02:41:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:41:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_els_rrq [2021-11-23 02:41:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_els_rrq [2021-11-23 02:41:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure fc_linkdown [2021-11-23 02:41:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_linkdown [2021-11-23 02:41:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:41:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:41:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:41:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:41:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_sid [2021-11-23 02:41:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_sid [2021-11-23 02:41:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_frame_alloc [2021-11-23 02:41:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_frame_alloc [2021-11-23 02:41:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:41:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure fc_remote_port_chkready [2021-11-23 02:41:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_remote_port_chkready [2021-11-23 02:41:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_flush_queue [2021-11-23 02:41:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_flush_queue [2021-11-23 02:41:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_lock_pkt [2021-11-23 02:41:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_lock_pkt [2021-11-23 02:41:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-23 02:41:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-23 02:41:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure fc_adisc_fill [2021-11-23 02:41:21,344 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_adisc_fill [2021-11-23 02:41:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:41:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_recv_prli_req [2021-11-23 02:41:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_recv_prli_req [2021-11-23 02:41:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:41:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:41:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_recv_seq_resp [2021-11-23 02:41:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_recv_seq_resp [2021-11-23 02:41:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_recv_rnid_req [2021-11-23 02:41:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_recv_rnid_req [2021-11-23 02:41:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_recv_els_req [2021-11-23 02:41:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_recv_els_req [2021-11-23 02:41:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_error_retry [2021-11-23 02:41:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_error_retry [2021-11-23 02:41:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure fc_invoke_resp [2021-11-23 02:41:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_invoke_resp [2021-11-23 02:41:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_recv_bls [2021-11-23 02:41:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_recv_bls [2021-11-23 02:41:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_stop_final [2021-11-23 02:41:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_stop_final [2021-11-23 02:41:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_error [2021-11-23 02:41:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_error [2021-11-23 02:41:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-23 02:41:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-23 02:41:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 02:41:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 02:41:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 02:41:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 02:41:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 02:41:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 02:41:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_send_ba_rjt [2021-11-23 02:41:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_send_ba_rjt [2021-11-23 02:41:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure fc_destroy_exch_mgr [2021-11-23 02:41:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_destroy_exch_mgr [2021-11-23 02:41:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 02:41:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 02:41:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_timeout [2021-11-23 02:41:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_timeout [2021-11-23 02:41:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lun_reset [2021-11-23 02:41:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lun_reset [2021-11-23 02:41:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure __fc_linkdown [2021-11-23 02:41:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __fc_linkdown [2021-11-23 02:41:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_terminate_io [2021-11-23 02:41:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_terminate_io [2021-11-23 02:41:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 02:41:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 02:41:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-11-23 02:41:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-11-23 02:41:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-23 02:41:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-23 02:41:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-23 02:41:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-23 02:41:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_lookup_recip [2021-11-23 02:41:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_lookup_recip [2021-11-23 02:41:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_free [2021-11-23 02:41:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_free [2021-11-23 02:41:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_work [2021-11-23 02:41:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_work [2021-11-23 02:41:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_reset [2021-11-23 02:41:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_reset [2021-11-23 02:41:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_timeout [2021-11-23 02:41:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_timeout [2021-11-23 02:41:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_335 [2021-11-23 02:41:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_335 [2021-11-23 02:41:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 02:41:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 02:41:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_enter_plogi [2021-11-23 02:41:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_enter_plogi [2021-11-23 02:41:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:41:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_enter_prli [2021-11-23 02:41:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_enter_prli [2021-11-23 02:41:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2021-11-23 02:41:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2021-11-23 02:41:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_error [2021-11-23 02:41:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_error [2021-11-23 02:41:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2021-11-23 02:41:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2021-11-23 02:41:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_login_complete [2021-11-23 02:41:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_login_complete [2021-11-23 02:41:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-23 02:41:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-23 02:41:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2021-11-23 02:41:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2021-11-23 02:41:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:41:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_abts_resp [2021-11-23 02:41:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_abts_resp [2021-11-23 02:41:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_recv_req [2021-11-23 02:41:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_recv_req [2021-11-23 02:41:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2021-11-23 02:41:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2021-11-23 02:41:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_8 [2021-11-23 02:41:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_8 [2021-11-23 02:41:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure fc_plogi_fill [2021-11-23 02:41:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_plogi_fill [2021-11-23 02:41:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:41:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure fc_plogi_get_maxframe [2021-11-23 02:41:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_plogi_get_maxframe [2021-11-23 02:41:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:41:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:41:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:41:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_enter_disabled [2021-11-23 02:41:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_enter_disabled [2021-11-23 02:41:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:41:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:41:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_gpn_ft_req [2021-11-23 02:41:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_gpn_ft_req [2021-11-23 02:41:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_cleanup_cmd [2021-11-23 02:41:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_cleanup_cmd [2021-11-23 02:41:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_release [2021-11-23 02:41:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_release [2021-11-23 02:41:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure __fc_frame_header_get [2021-11-23 02:41:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __fc_frame_header_get [2021-11-23 02:41:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_enter_ready [2021-11-23 02:41:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_enter_ready [2021-11-23 02:41:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2021-11-23 02:41:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2021-11-23 02:41:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_compatible_roles [2021-11-23 02:41:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_compatible_roles [2021-11-23 02:41:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 02:41:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 02:41:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:41:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:41:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_enter_ready [2021-11-23 02:41:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_enter_ready [2021-11-23 02:41:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 02:41:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 02:41:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_set_state [2021-11-23 02:41:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_set_state [2021-11-23 02:41:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_start_next_locked [2021-11-23 02:41:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_start_next_locked [2021-11-23 02:41:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_rrq_resp [2021-11-23 02:41:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_rrq_resp [2021-11-23 02:41:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_enter_scr [2021-11-23 02:41:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_enter_scr [2021-11-23 02:41:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-23 02:41:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-23 02:41:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 02:41:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 02:41:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_els_rsp_send [2021-11-23 02:41:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_els_rsp_send [2021-11-23 02:41:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-23 02:41:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-23 02:41:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:41:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:41:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 02:41:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 02:41:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 02:41:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 02:41:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_timer_cancel [2021-11-23 02:41:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_timer_cancel [2021-11-23 02:41:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 02:41:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 02:41:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_op [2021-11-23 02:41:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_op [2021-11-23 02:41:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_alloc [2021-11-23 02:41:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_alloc [2021-11-23 02:41:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_enter_ns [2021-11-23 02:41:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_enter_ns [2021-11-23 02:41:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 02:41:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 02:41:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:41:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:41:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:41:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:41:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-23 02:41:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-23 02:41:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_rec_error [2021-11-23 02:41:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_rec_error [2021-11-23 02:41:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_ms_resp [2021-11-23 02:41:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_ms_resp [2021-11-23 02:41:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fill_fc_hdr [2021-11-23 02:41:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fill_fc_hdr [2021-11-23 02:41:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure fc_queuecommand [2021-11-23 02:41:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_queuecommand [2021-11-23 02:41:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_reset [2021-11-23 02:41:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_reset [2021-11-23 02:41:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_lookup [2021-11-23 02:41:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_lookup [2021-11-23 02:41:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 02:41:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 02:41:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-23 02:41:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-23 02:41:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_enter_ms [2021-11-23 02:41:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_enter_ms [2021-11-23 02:41:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-23 02:41:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-23 02:41:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_lookup_orig [2021-11-23 02:41:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_lookup_orig [2021-11-23 02:41:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_destroy [2021-11-23 02:41:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_destroy [2021-11-23 02:41:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_error [2021-11-23 02:41:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_error [2021-11-23 02:41:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_recv_req [2021-11-23 02:41:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_recv_req [2021-11-23 02:41:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_prli_resp [2021-11-23 02:41:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_prli_resp [2021-11-23 02:41:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-23 02:41:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-23 02:41:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 02:41:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure fc_flogi_fill [2021-11-23 02:41:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_flogi_fill [2021-11-23 02:41:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2021-11-23 02:41:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2021-11-23 02:41:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_cleanup [2021-11-23 02:41:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_cleanup [2021-11-23 02:41:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-23 02:41:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-23 02:41:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_enter_reset [2021-11-23 02:41:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_enter_reset [2021-11-23 02:41:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_ls_rjt [2021-11-23 02:41:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_ls_rjt [2021-11-23 02:41:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_seq_send [2021-11-23 02:41:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_seq_send [2021-11-23 02:41:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:41:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:41:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:41:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:41:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_recv_resp [2021-11-23 02:41:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_recv_resp [2021-11-23 02:41:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-23 02:41:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-23 02:41:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-23 02:41:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-23 02:41:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_els_rec [2021-11-23 02:41:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_els_rec [2021-11-23 02:41:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_done_locked [2021-11-23 02:41:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_done_locked [2021-11-23 02:41:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_enter_delete [2021-11-23 02:41:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_enter_delete [2021-11-23 02:41:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_gpn_ft_resp [2021-11-23 02:41:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_gpn_ft_resp [2021-11-23 02:41:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_gpn_id_resp [2021-11-23 02:41:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_gpn_id_resp [2021-11-23 02:41:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fill_reply_hdr [2021-11-23 02:41:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fill_reply_hdr [2021-11-23 02:41:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_pool_reset [2021-11-23 02:41:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_pool_reset [2021-11-23 02:41:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 02:41:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 02:41:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_gpn_ft_parse [2021-11-23 02:41:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_gpn_ft_parse [2021-11-23 02:41:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:41:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:41:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:41:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:41:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-11-23 02:41:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-11-23 02:41:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_enter_logo [2021-11-23 02:41:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_enter_logo [2021-11-23 02:41:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2021-11-23 02:41:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2021-11-23 02:41:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_srr_resp [2021-11-23 02:41:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_srr_resp [2021-11-23 02:41:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 02:41:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 02:41:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_lport [2021-11-23 02:41:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_lport [2021-11-23 02:41:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-23 02:41:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-23 02:41:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_device_reset [2021-11-23 02:41:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_device_reset [2021-11-23 02:41:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-23 02:41:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-23 02:41:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lun_reset_send [2021-11-23 02:41:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lun_reset_send [2021-11-23 02:41:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:41:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:41:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:41:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_send_abort [2021-11-23 02:41:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_send_abort [2021-11-23 02:41:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:41:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:41:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2021-11-23 02:41:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2021-11-23 02:41:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:41:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:41:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:41:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_del [2021-11-23 02:41:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_del [2021-11-23 02:41:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_start [2021-11-23 02:41:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_start [2021-11-23 02:41:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_t0_prli [2021-11-23 02:41:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_t0_prli [2021-11-23 02:41:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure __fc_vport_setlink [2021-11-23 02:41:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __fc_vport_setlink [2021-11-23 02:41:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_id_lookup [2021-11-23 02:41:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_id_lookup [2021-11-23 02:41:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-11-23 02:41:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-11-23 02:41:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-23 02:41:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-23 02:41:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_recv [2021-11-23 02:41:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_recv [2021-11-23 02:41:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_recv_flogi_req [2021-11-23 02:41:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_recv_flogi_req [2021-11-23 02:41:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-23 02:41:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-23 02:41:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_scr_resp [2021-11-23 02:41:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_scr_resp [2021-11-23 02:41:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_done [2021-11-23 02:41:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_done [2021-11-23 02:41:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_pkt_hold [2021-11-23 02:41:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_pkt_hold [2021-11-23 02:41:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_flogi_resp [2021-11-23 02:41:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_flogi_resp [2021-11-23 02:41:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:41:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_plogi_resp [2021-11-23 02:41:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_plogi_resp [2021-11-23 02:41:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-11-23 02:41:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-11-23 02:41:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_rec_resp [2021-11-23 02:41:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_rec_resp [2021-11-23 02:41:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure fc_ct_hdr_fill [2021-11-23 02:41:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_ct_hdr_fill [2021-11-23 02:41:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_srr [2021-11-23 02:41:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_srr [2021-11-23 02:41:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_release [2021-11-23 02:41:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_release [2021-11-23 02:41:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-23 02:41:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-23 02:41:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 02:41:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 02:41:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-23 02:41:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-23 02:41:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_enter_dns [2021-11-23 02:41:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_enter_dns [2021-11-23 02:41:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_timer_set_locked [2021-11-23 02:41:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_timer_set_locked [2021-11-23 02:41:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 02:41:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 02:41:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure fc_linkup [2021-11-23 02:41:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_linkup [2021-11-23 02:41:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure __fc_linkup [2021-11-23 02:41:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __fc_linkup [2021-11-23 02:41:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_rctl_name [2021-11-23 02:41:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_rctl_name [2021-11-23 02:41:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure fc_destroy_fcp [2021-11-23 02:41:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_destroy_fcp [2021-11-23 02:41:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 02:41:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 02:41:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_send_locked [2021-11-23 02:41:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_send_locked [2021-11-23 02:41:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_enter_rtv [2021-11-23 02:41:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_enter_rtv [2021-11-23 02:41:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_stats [2021-11-23 02:41:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_stats [2021-11-23 02:41:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_adisc_resp [2021-11-23 02:41:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_adisc_resp [2021-11-23 02:41:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 02:41:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 02:41:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure ntoh24 [2021-11-23 02:41:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ntoh24 [2021-11-23 02:41:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_139 [2021-11-23 02:41:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_139 [2021-11-23 02:41:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-23 02:41:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-23 02:41:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_update_stats [2021-11-23 02:41:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_update_stats [2021-11-23 02:41:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_done [2021-11-23 02:41:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_done [2021-11-23 02:41:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_iterate [2021-11-23 02:41:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_iterate [2021-11-23 02:41:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_setup_hdr [2021-11-23 02:41:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_setup_hdr [2021-11-23 02:41:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_abts_resp [2021-11-23 02:41:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_abts_resp [2021-11-23 02:41:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure _fc_frame_alloc [2021-11-23 02:41:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure _fc_frame_alloc [2021-11-23 02:41:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_recv_rscn_req [2021-11-23 02:41:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_recv_rscn_req [2021-11-23 02:41:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_error [2021-11-23 02:41:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_error [2021-11-23 02:41:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_ls_acc [2021-11-23 02:41:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_ls_acc [2021-11-23 02:41:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_slab_pool [2021-11-23 02:41:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_slab_pool [2021-11-23 02:41:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_ptr_get [2021-11-23 02:41:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_ptr_get [2021-11-23 02:41:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_recv_echo_req [2021-11-23 02:41:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_recv_echo_req [2021-11-23 02:41:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 02:41:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 02:41:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_6 [2021-11-23 02:41:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_6 [2021-11-23 02:41:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_srr_error [2021-11-23 02:41:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_srr_error [2021-11-23 02:41:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_timeout [2021-11-23 02:41:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_timeout [2021-11-23 02:41:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_stop [2021-11-23 02:41:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_stop [2021-11-23 02:41:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be64 [2021-11-23 02:41:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be64 [2021-11-23 02:41:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_recv_flogi_req [2021-11-23 02:41:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_recv_flogi_req [2021-11-23 02:41:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-23 02:41:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-11-23 02:41:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-23 02:41:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-23 02:41:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_state [2021-11-23 02:41:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_state [2021-11-23 02:41:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_enter_fdmi [2021-11-23 02:41:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_enter_fdmi [2021-11-23 02:41:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:41:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:41:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_recv_rls_req [2021-11-23 02:41:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_recv_rls_req [2021-11-23 02:41:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_stop_rports [2021-11-23 02:41:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_stop_rports [2021-11-23 02:41:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_retry_cmd [2021-11-23 02:41:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_retry_cmd [2021-11-23 02:41:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_add [2021-11-23 02:41:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_add [2021-11-23 02:41:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-23 02:41:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-23 02:41:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:41:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_timespec [2021-11-23 02:41:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_timespec [2021-11-23 02:41:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:41:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:41:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:41:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:41:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_unlock_pkt [2021-11-23 02:41:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_unlock_pkt [2021-11-23 02:41:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure hton24 [2021-11-23 02:41:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure hton24 [2021-11-23 02:41:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_timeout [2021-11-23 02:41:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_timeout [2021-11-23 02:41:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_recv_logo_req [2021-11-23 02:41:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_recv_logo_req [2021-11-23 02:41:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_rec [2021-11-23 02:41:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_rec [2021-11-23 02:41:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-11-23 02:41:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-11-23 02:41:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_complete_locked [2021-11-23 02:41:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_complete_locked [2021-11-23 02:41:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 02:41:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 02:41:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_send_ack [2021-11-23 02:41:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_send_ack [2021-11-23 02:41:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_timer_set [2021-11-23 02:41:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_timer_set [2021-11-23 02:41:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_set_port_id [2021-11-23 02:41:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_set_port_id [2021-11-23 02:41:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~$Pointer$ [2021-11-23 02:41:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~$Pointer$ [2021-11-23 02:41:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_pkt_release [2021-11-23 02:41:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_pkt_release [2021-11-23 02:41:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 02:41:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 02:41:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-23 02:41:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-23 02:41:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2021-11-23 02:41:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2021-11-23 02:41:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_recv_rlir_req [2021-11-23 02:41:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_recv_rlir_req [2021-11-23 02:41:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_fcp_prli [2021-11-23 02:41:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_fcp_prli [2021-11-23 02:41:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_recv_prlo_req [2021-11-23 02:41:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_recv_prlo_req [2021-11-23 02:41:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 02:41:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 02:41:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_em_alloc [2021-11-23 02:41:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_em_alloc [2021-11-23 02:41:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2021-11-23 02:41:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2021-11-23 02:41:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_reset [2021-11-23 02:41:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_reset [2021-11-23 02:41:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_ct_request [2021-11-23 02:41:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_ct_request [2021-11-23 02:41:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2021-11-23 02:41:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2021-11-23 02:41:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-23 02:41:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-23 02:41:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vports_linkchange [2021-11-23 02:41:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vports_linkchange [2021-11-23 02:41:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_flogi_resp [2021-11-23 02:41:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_flogi_resp [2021-11-23 02:41:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be32 [2021-11-23 02:41:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be32 [2021-11-23 02:41:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_host_reset [2021-11-23 02:41:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_host_reset [2021-11-23 02:41:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_enter_logo [2021-11-23 02:41:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_enter_logo [2021-11-23 02:41:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-23 02:41:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-23 02:41:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 02:41:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 02:41:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure fc_seq_set_resp [2021-11-23 02:41:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_seq_set_resp [2021-11-23 02:41:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_abort_io [2021-11-23 02:41:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_abort_io [2021-11-23 02:41:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_list_clone [2021-11-23 02:41:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_list_clone [2021-11-23 02:41:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 02:41:21,447 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 02:41:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 02:41:21,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 02:41:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_hold [2021-11-23 02:41:21,447 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_hold [2021-11-23 02:41:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-11-23 02:41:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-11-23 02:41:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_ptp_setup [2021-11-23 02:41:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_ptp_setup [2021-11-23 02:41:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure fc_disc_recv_req [2021-11-23 02:41:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_disc_recv_req [2021-11-23 02:41:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-23 02:41:21,449 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-23 02:41:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_logo_resp [2021-11-23 02:41:21,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_logo_resp [2021-11-23 02:41:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_abort_locked [2021-11-23 02:41:21,450 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_abort_locked [2021-11-23 02:41:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-11-23 02:41:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 02:41:21,450 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 02:41:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_timer_set [2021-11-23 02:41:21,450 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_timer_set [2021-11-23 02:41:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_reset_locked [2021-11-23 02:41:21,451 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_reset_locked [2021-11-23 02:41:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:41:21,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 02:41:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fcp_ddp_done [2021-11-23 02:41:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fcp_ddp_done [2021-11-23 02:41:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-23 02:41:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-23 02:41:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-23 02:41:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-23 02:41:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:41:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:41:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:41:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-23 02:41:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-23 02:41:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure get_fsp_rec_tov [2021-11-23 02:41:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fsp_rec_tov [2021-11-23 02:41:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-23 02:41:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_recv_plogi_req [2021-11-23 02:41:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_recv_plogi_req [2021-11-23 02:41:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure fc_io_compl [2021-11-23 02:41:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_io_compl [2021-11-23 02:41:24,130 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:41:24,137 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:41:24,691 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:41:43,630 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:41:54,590 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:41:54,590 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:41:54,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:41:54 BoogieIcfgContainer [2021-11-23 02:41:54,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:41:54,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:41:54,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:41:54,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:41:54,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:41:06" (1/3) ... [2021-11-23 02:41:54,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8cbbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:41:54, skipping insertion in model container [2021-11-23 02:41:54,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:18" (2/3) ... [2021-11-23 02:41:54,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8cbbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:41:54, skipping insertion in model container [2021-11-23 02:41:54,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:41:54" (3/3) ... [2021-11-23 02:41:54,625 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--libfc--libfc.ko-entry_point.cil.out.i [2021-11-23 02:41:54,636 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:41:54,636 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:41:54,744 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:41:54,761 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:41:54,761 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:41:54,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 5797 states, 3246 states have (on average 1.3031423290203328) internal successors, (4230), 3622 states have internal predecessors, (4230), 2198 states have call successors, (2198), 352 states have call predecessors, (2198), 351 states have return successors, (2192), 2010 states have call predecessors, (2192), 2192 states have call successors, (2192) [2021-11-23 02:41:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 02:41:54,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:41:54,975 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:41:54,976 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:41:54,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:41:54,984 INFO L85 PathProgramCache]: Analyzing trace with hash 658185298, now seen corresponding path program 1 times [2021-11-23 02:41:54,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:41:54,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947828928] [2021-11-23 02:41:54,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:41:55,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:41:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:41:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:41:56,212 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:41:56,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947828928] [2021-11-23 02:41:56,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947828928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:41:56,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:41:56,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:41:56,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256564038] [2021-11-23 02:41:56,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:41:56,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:41:56,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:41:56,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:41:56,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:41:56,280 INFO L87 Difference]: Start difference. First operand has 5797 states, 3246 states have (on average 1.3031423290203328) internal successors, (4230), 3622 states have internal predecessors, (4230), 2198 states have call successors, (2198), 352 states have call predecessors, (2198), 351 states have return successors, (2192), 2010 states have call predecessors, (2192), 2192 states have call successors, (2192) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 02:41:59,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:04,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:07,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:10,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:14,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:16,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:16,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:16,627 INFO L93 Difference]: Finished difference Result 17372 states and 26864 transitions. [2021-11-23 02:42:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:42:16,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2021-11-23 02:42:16,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:16,790 INFO L225 Difference]: With dead ends: 17372 [2021-11-23 02:42:16,791 INFO L226 Difference]: Without dead ends: 11541 [2021-11-23 02:42:17,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:17,136 INFO L933 BasicCegarLoop]: 11185 mSDtfsCounter, 8588 mSDsluCounter, 8610 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8590 SdHoareTripleChecker+Valid, 19226 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:17,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8590 Valid, 19226 Invalid, 1219 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1215 Invalid, 3 Unknown, 0 Unchecked, 19.2s Time] [2021-11-23 02:42:17,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11541 states. [2021-11-23 02:42:18,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11541 to 11536. [2021-11-23 02:42:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11536 states, 6456 states have (on average 1.2994114002478314) internal successors, (8389), 7195 states have internal predecessors, (8389), 4379 states have call successors, (4379), 701 states have call predecessors, (4379), 700 states have return successors, (4378), 4011 states have call predecessors, (4378), 4376 states have call successors, (4378) [2021-11-23 02:42:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11536 states to 11536 states and 17146 transitions. [2021-11-23 02:42:19,118 INFO L78 Accepts]: Start accepts. Automaton has 11536 states and 17146 transitions. Word has length 67 [2021-11-23 02:42:19,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:19,119 INFO L470 AbstractCegarLoop]: Abstraction has 11536 states and 17146 transitions. [2021-11-23 02:42:19,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 02:42:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 11536 states and 17146 transitions. [2021-11-23 02:42:19,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 02:42:19,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:19,137 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:42:19,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:42:19,137 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:42:19,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:19,139 INFO L85 PathProgramCache]: Analyzing trace with hash -499155431, now seen corresponding path program 1 times [2021-11-23 02:42:19,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:19,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698461707] [2021-11-23 02:42:19,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:19,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 02:42:19,877 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:19,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698461707] [2021-11-23 02:42:19,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698461707] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:19,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:19,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:19,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757489622] [2021-11-23 02:42:19,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:19,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:42:19,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:19,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:42:19,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:19,882 INFO L87 Difference]: Start difference. First operand 11536 states and 17146 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-23 02:42:25,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:26,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:30,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:35,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:38,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:42,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:44,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:45,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:46,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:46,205 INFO L93 Difference]: Finished difference Result 34442 states and 51231 transitions. [2021-11-23 02:42:46,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:42:46,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 73 [2021-11-23 02:42:46,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:46,672 INFO L225 Difference]: With dead ends: 34442 [2021-11-23 02:42:46,672 INFO L226 Difference]: Without dead ends: 22907 [2021-11-23 02:42:46,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:46,784 INFO L933 BasicCegarLoop]: 15604 mSDtfsCounter, 8534 mSDsluCounter, 8539 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8556 SdHoareTripleChecker+Valid, 23584 SdHoareTripleChecker+Invalid, 1671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:46,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8556 Valid, 23584 Invalid, 1671 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1665 Invalid, 3 Unknown, 0 Unchecked, 25.3s Time] [2021-11-23 02:42:46,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22907 states. [2021-11-23 02:42:48,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22907 to 22902. [2021-11-23 02:42:48,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22902 states, 12799 states have (on average 1.2985389483553402) internal successors, (16620), 14274 states have internal predecessors, (16620), 8708 states have call successors, (8708), 1395 states have call predecessors, (8708), 1394 states have return successors, (8751), 7974 states have call predecessors, (8751), 8705 states have call successors, (8751) [2021-11-23 02:42:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22902 states to 22902 states and 34079 transitions. [2021-11-23 02:42:48,911 INFO L78 Accepts]: Start accepts. Automaton has 22902 states and 34079 transitions. Word has length 73 [2021-11-23 02:42:48,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:48,911 INFO L470 AbstractCegarLoop]: Abstraction has 22902 states and 34079 transitions. [2021-11-23 02:42:48,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-23 02:42:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 22902 states and 34079 transitions. [2021-11-23 02:42:48,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 02:42:48,920 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:48,921 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-23 02:42:48,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:42:48,921 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:42:48,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:48,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2026533847, now seen corresponding path program 1 times [2021-11-23 02:42:48,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:48,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087606377] [2021-11-23 02:42:48,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:48,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 02:42:49,482 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:49,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087606377] [2021-11-23 02:42:49,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087606377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:49,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:49,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:42:49,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087898677] [2021-11-23 02:42:49,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:49,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:42:49,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:49,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:42:49,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:49,486 INFO L87 Difference]: Start difference. First operand 22902 states and 34079 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 02:42:53,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:42:58,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:02,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:03,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:03,807 INFO L93 Difference]: Finished difference Result 46096 states and 68627 transitions. [2021-11-23 02:43:03,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:43:03,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 95 [2021-11-23 02:43:03,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:03,981 INFO L225 Difference]: With dead ends: 46096 [2021-11-23 02:43:03,981 INFO L226 Difference]: Without dead ends: 23285 [2021-11-23 02:43:04,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:43:04,126 INFO L933 BasicCegarLoop]: 8195 mSDtfsCounter, 324 mSDsluCounter, 17334 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 53 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 24394 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:04,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [350 Valid, 24394 Invalid, 1784 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [53 Valid, 1728 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2021-11-23 02:43:04,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23285 states. [2021-11-23 02:43:05,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23285 to 22906. [2021-11-23 02:43:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22906 states, 12803 states have (on average 1.2984456767945012) internal successors, (16624), 14278 states have internal predecessors, (16624), 8708 states have call successors, (8708), 1395 states have call predecessors, (8708), 1394 states have return successors, (8751), 7974 states have call predecessors, (8751), 8705 states have call successors, (8751) [2021-11-23 02:43:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22906 states to 22906 states and 34083 transitions. [2021-11-23 02:43:06,222 INFO L78 Accepts]: Start accepts. Automaton has 22906 states and 34083 transitions. Word has length 95 [2021-11-23 02:43:06,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:06,225 INFO L470 AbstractCegarLoop]: Abstraction has 22906 states and 34083 transitions. [2021-11-23 02:43:06,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 02:43:06,225 INFO L276 IsEmpty]: Start isEmpty. Operand 22906 states and 34083 transitions. [2021-11-23 02:43:06,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 02:43:06,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:06,235 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:43:06,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:43:06,235 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:43:06,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:06,237 INFO L85 PathProgramCache]: Analyzing trace with hash -902603429, now seen corresponding path program 1 times [2021-11-23 02:43:06,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:06,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223300860] [2021-11-23 02:43:06,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:06,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:43:07,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:07,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223300860] [2021-11-23 02:43:07,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223300860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:07,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:07,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:43:07,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643595175] [2021-11-23 02:43:07,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:07,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:43:07,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:07,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:43:07,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:43:07,023 INFO L87 Difference]: Start difference. First operand 22906 states and 34083 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 02:43:09,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:12,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:16,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:19,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:25,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:27,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:27,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:27,918 INFO L93 Difference]: Finished difference Result 45723 states and 68032 transitions. [2021-11-23 02:43:27,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:43:27,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 96 [2021-11-23 02:43:27,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:28,096 INFO L225 Difference]: With dead ends: 45723 [2021-11-23 02:43:28,096 INFO L226 Difference]: Without dead ends: 22906 [2021-11-23 02:43:28,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:43:28,249 INFO L933 BasicCegarLoop]: 8016 mSDtfsCounter, 1 mSDsluCounter, 17156 mSDsCounter, 0 mSdLazyCounter, 1700 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 24043 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1700 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:28,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 24043 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1700 Invalid, 5 Unknown, 0 Unchecked, 20.1s Time] [2021-11-23 02:43:28,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22906 states. [2021-11-23 02:43:30,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22906 to 22906. [2021-11-23 02:43:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22906 states, 12803 states have (on average 1.298289463407014) internal successors, (16622), 14278 states have internal predecessors, (16622), 8708 states have call successors, (8708), 1395 states have call predecessors, (8708), 1394 states have return successors, (8751), 7974 states have call predecessors, (8751), 8705 states have call successors, (8751) [2021-11-23 02:43:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22906 states to 22906 states and 34081 transitions. [2021-11-23 02:43:30,284 INFO L78 Accepts]: Start accepts. Automaton has 22906 states and 34081 transitions. Word has length 96 [2021-11-23 02:43:30,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:30,285 INFO L470 AbstractCegarLoop]: Abstraction has 22906 states and 34081 transitions. [2021-11-23 02:43:30,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 02:43:30,286 INFO L276 IsEmpty]: Start isEmpty. Operand 22906 states and 34081 transitions. [2021-11-23 02:43:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 02:43:30,299 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:30,300 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-23 02:43:30,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:43:30,301 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:43:30,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:30,302 INFO L85 PathProgramCache]: Analyzing trace with hash 479736113, now seen corresponding path program 1 times [2021-11-23 02:43:30,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:30,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897004923] [2021-11-23 02:43:30,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:30,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 02:43:31,250 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:31,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897004923] [2021-11-23 02:43:31,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897004923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:31,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:31,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:43:31,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871250143] [2021-11-23 02:43:31,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:31,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:43:31,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:31,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:43:31,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:43:31,253 INFO L87 Difference]: Start difference. First operand 22906 states and 34081 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-23 02:43:35,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:37,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:39,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:45,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:53,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:57,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:06,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:08,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:10,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:12,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:14,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:16,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:16,775 INFO L93 Difference]: Finished difference Result 68692 states and 105581 transitions. [2021-11-23 02:44:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:44:16,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 104 [2021-11-23 02:44:16,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:17,344 INFO L225 Difference]: With dead ends: 68692 [2021-11-23 02:44:17,345 INFO L226 Difference]: Without dead ends: 45787 [2021-11-23 02:44:17,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:44:17,501 INFO L933 BasicCegarLoop]: 10373 mSDtfsCounter, 8539 mSDsluCounter, 22168 mSDsCounter, 0 mSdLazyCounter, 11087 mSolverCounterSat, 18 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8544 SdHoareTripleChecker+Valid, 30833 SdHoareTripleChecker+Invalid, 11110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 11087 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:17,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8544 Valid, 30833 Invalid, 11110 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [18 Valid, 11087 Invalid, 5 Unknown, 0 Unchecked, 43.7s Time] [2021-11-23 02:44:17,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45787 states. [2021-11-23 02:44:20,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45787 to 45646. [2021-11-23 02:44:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45646 states, 25514 states have (on average 1.2993650544798934) internal successors, (33152), 28478 states have internal predecessors, (33152), 17355 states have call successors, (17355), 2773 states have call predecessors, (17355), 2776 states have return successors, (19234), 15862 states have call predecessors, (19234), 17350 states have call successors, (19234) [2021-11-23 02:44:21,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45646 states to 45646 states and 69741 transitions. [2021-11-23 02:44:21,815 INFO L78 Accepts]: Start accepts. Automaton has 45646 states and 69741 transitions. Word has length 104 [2021-11-23 02:44:21,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:21,818 INFO L470 AbstractCegarLoop]: Abstraction has 45646 states and 69741 transitions. [2021-11-23 02:44:21,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-23 02:44:21,819 INFO L276 IsEmpty]: Start isEmpty. Operand 45646 states and 69741 transitions. [2021-11-23 02:44:21,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 02:44:21,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:21,826 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-23 02:44:21,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:44:21,826 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:44:21,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:21,827 INFO L85 PathProgramCache]: Analyzing trace with hash 566870264, now seen corresponding path program 1 times [2021-11-23 02:44:21,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:21,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140021161] [2021-11-23 02:44:21,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:21,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 02:44:22,462 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:22,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140021161] [2021-11-23 02:44:22,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140021161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:22,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:22,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:44:22,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139238] [2021-11-23 02:44:22,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:22,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:44:22,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:22,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:44:22,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:44:22,466 INFO L87 Difference]: Start difference. First operand 45646 states and 69741 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-23 02:44:26,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:37,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:40,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:48,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:50,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:51,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:54,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:54,271 INFO L93 Difference]: Finished difference Result 113692 states and 179073 transitions. [2021-11-23 02:44:54,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:44:54,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 105 [2021-11-23 02:44:54,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:55,152 INFO L225 Difference]: With dead ends: 113692 [2021-11-23 02:44:55,152 INFO L226 Difference]: Without dead ends: 68047 [2021-11-23 02:44:55,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:44:55,469 INFO L933 BasicCegarLoop]: 10850 mSDtfsCounter, 8323 mSDsluCounter, 16238 mSDsCounter, 0 mSdLazyCounter, 6114 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8328 SdHoareTripleChecker+Valid, 25898 SdHoareTripleChecker+Invalid, 6123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6114 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:55,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8328 Valid, 25898 Invalid, 6123 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 6114 Invalid, 3 Unknown, 0 Unchecked, 29.0s Time] [2021-11-23 02:44:55,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68047 states. [2021-11-23 02:44:59,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68047 to 67722. [2021-11-23 02:44:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67722 states, 37889 states have (on average 1.3003774182480403) internal successors, (49270), 42314 states have internal predecessors, (49270), 25710 states have call successors, (25710), 4131 states have call predecessors, (25710), 4122 states have return successors, (30849), 23434 states have call predecessors, (30849), 25703 states have call successors, (30849) [2021-11-23 02:45:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67722 states to 67722 states and 105829 transitions. [2021-11-23 02:45:00,722 INFO L78 Accepts]: Start accepts. Automaton has 67722 states and 105829 transitions. Word has length 105 [2021-11-23 02:45:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:45:00,723 INFO L470 AbstractCegarLoop]: Abstraction has 67722 states and 105829 transitions. [2021-11-23 02:45:00,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-23 02:45:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 67722 states and 105829 transitions. [2021-11-23 02:45:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 02:45:00,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:45:00,732 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-23 02:45:00,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:45:00,732 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:45:00,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:45:00,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1678545524, now seen corresponding path program 1 times [2021-11-23 02:45:00,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:45:00,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152391907] [2021-11-23 02:45:00,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:45:00,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:45:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:45:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 02:45:01,292 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:45:01,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152391907] [2021-11-23 02:45:01,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152391907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:45:01,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:45:01,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:45:01,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099517279] [2021-11-23 02:45:01,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:45:01,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:45:01,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:45:01,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:45:01,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:45:01,295 INFO L87 Difference]: Start difference. First operand 67722 states and 105829 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-23 02:45:04,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:17,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:20,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:25,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:30,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:33,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:36,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:45:36,850 INFO L93 Difference]: Finished difference Result 179692 states and 294237 transitions. [2021-11-23 02:45:36,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:45:36,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 107 [2021-11-23 02:45:36,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:45:38,394 INFO L225 Difference]: With dead ends: 179692 [2021-11-23 02:45:38,395 INFO L226 Difference]: Without dead ends: 111971 [2021-11-23 02:45:38,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:45:38,952 INFO L933 BasicCegarLoop]: 11567 mSDtfsCounter, 8276 mSDsluCounter, 17044 mSDsCounter, 0 mSdLazyCounter, 6234 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8281 SdHoareTripleChecker+Valid, 27351 SdHoareTripleChecker+Invalid, 6245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6234 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:45:38,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8281 Valid, 27351 Invalid, 6245 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 6234 Invalid, 4 Unknown, 0 Unchecked, 30.5s Time] [2021-11-23 02:45:39,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111971 states. [2021-11-23 02:45:46,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111971 to 111650. [2021-11-23 02:45:46,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111650 states, 62503 states have (on average 1.3012175415580052) internal successors, (81330), 69834 states have internal predecessors, (81330), 42324 states have call successors, (42324), 6847 states have call predecessors, (42324), 6822 states have return successors, (56879), 38470 states have call predecessors, (56879), 42313 states have call successors, (56879) [2021-11-23 02:45:48,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111650 states to 111650 states and 180533 transitions. [2021-11-23 02:45:48,190 INFO L78 Accepts]: Start accepts. Automaton has 111650 states and 180533 transitions. Word has length 107 [2021-11-23 02:45:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:45:48,191 INFO L470 AbstractCegarLoop]: Abstraction has 111650 states and 180533 transitions. [2021-11-23 02:45:48,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-23 02:45:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 111650 states and 180533 transitions. [2021-11-23 02:45:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 02:45:48,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:45:48,202 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-23 02:45:48,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:45:48,202 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:45:48,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:45:48,204 INFO L85 PathProgramCache]: Analyzing trace with hash 660025941, now seen corresponding path program 1 times [2021-11-23 02:45:48,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:45:48,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288844944] [2021-11-23 02:45:48,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:45:48,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:45:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:45:48,762 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 02:45:48,762 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:45:48,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288844944] [2021-11-23 02:45:48,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288844944] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:45:48,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:45:48,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:45:48,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771285043] [2021-11-23 02:45:48,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:45:48,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:45:48,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:45:48,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:45:48,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:45:48,765 INFO L87 Difference]: Start difference. First operand 111650 states and 180533 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-23 02:45:52,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:06,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:09,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:17,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:19,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:23,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:25,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:31,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:46:31,188 INFO L93 Difference]: Finished difference Result 262402 states and 442127 transitions. [2021-11-23 02:46:31,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:46:31,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 107 [2021-11-23 02:46:31,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:46:32,422 INFO L225 Difference]: With dead ends: 262402 [2021-11-23 02:46:32,422 INFO L226 Difference]: Without dead ends: 150713 [2021-11-23 02:46:33,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:46:33,604 INFO L933 BasicCegarLoop]: 12605 mSDtfsCounter, 8321 mSDsluCounter, 18130 mSDsCounter, 0 mSdLazyCounter, 6401 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8326 SdHoareTripleChecker+Valid, 29403 SdHoareTripleChecker+Invalid, 6411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6401 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:46:33,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8326 Valid, 29403 Invalid, 6411 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 6401 Invalid, 4 Unknown, 0 Unchecked, 35.1s Time] [2021-11-23 02:46:33,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150713 states. [2021-11-23 02:46:44,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150713 to 150356. [2021-11-23 02:46:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150356 states, 84219 states have (on average 1.301535283012147) internal successors, (109614), 94098 states have internal predecessors, (109614), 56965 states have call successors, (56965), 9224 states have call predecessors, (56965), 9171 states have return successors, (81366), 51746 states have call predecessors, (81366), 56952 states have call successors, (81366)