./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b09307eff68471b13f9f4af8ca37265160c175233f57a4afa3e4fdd6d6503a6b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:16:00,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:16:00,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:16:00,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:16:00,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:16:00,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:16:00,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:16:00,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:16:00,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:16:00,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:16:00,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:16:00,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:16:00,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:16:00,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:16:00,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:16:00,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:16:00,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:16:00,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:16:00,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:16:00,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:16:00,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:16:00,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:16:00,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:16:00,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:16:00,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:16:00,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:16:00,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:16:00,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:16:00,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:16:00,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:16:00,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:16:00,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:16:00,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:16:00,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:16:00,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:16:00,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:16:00,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:16:00,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:16:00,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:16:00,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:16:00,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:16:00,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:16:00,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:16:00,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:16:00,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:16:00,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:16:00,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:16:00,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:16:00,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:16:00,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:16:00,296 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:16:00,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:16:00,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:16:00,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:16:00,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:16:00,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:16:00,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:16:00,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:16:00,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:16:00,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:16:00,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:16:00,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:16:00,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:16:00,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:16:00,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:16:00,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:16:00,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:16:00,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:16:00,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:16:00,298 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:16:00,298 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:16:00,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:16:00,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:16:00,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b09307eff68471b13f9f4af8ca37265160c175233f57a4afa3e4fdd6d6503a6b [2021-12-22 15:16:00,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:16:00,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:16:00,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:16:00,538 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:16:00,545 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:16:00,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2021-12-22 15:16:00,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/412ad97b2/b109c255f32c43b38d2ce6cde08c00ca/FLAGd8d42e2db [2021-12-22 15:16:01,339 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:16:01,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2021-12-22 15:16:01,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/412ad97b2/b109c255f32c43b38d2ce6cde08c00ca/FLAGd8d42e2db [2021-12-22 15:16:01,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/412ad97b2/b109c255f32c43b38d2ce6cde08c00ca [2021-12-22 15:16:01,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:16:01,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:16:01,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:16:01,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:16:01,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:16:01,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:16:01" (1/1) ... [2021-12-22 15:16:01,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ee11ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:01, skipping insertion in model container [2021-12-22 15:16:01,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:16:01" (1/1) ... [2021-12-22 15:16:01,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:16:01,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:16:03,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[416808,416821] [2021-12-22 15:16:03,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:16:04,009 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:16:04,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[416808,416821] [2021-12-22 15:16:04,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:16:04,538 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:16:04,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04 WrapperNode [2021-12-22 15:16:04,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:16:04,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:16:04,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:16:04,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:16:04,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04" (1/1) ... [2021-12-22 15:16:04,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04" (1/1) ... [2021-12-22 15:16:04,755 INFO L137 Inliner]: procedures = 426, calls = 2211, calls flagged for inlining = 204, calls inlined = 184, statements flattened = 6226 [2021-12-22 15:16:04,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:16:04,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:16:04,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:16:04,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:16:04,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04" (1/1) ... [2021-12-22 15:16:04,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04" (1/1) ... [2021-12-22 15:16:04,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04" (1/1) ... [2021-12-22 15:16:04,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04" (1/1) ... [2021-12-22 15:16:04,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04" (1/1) ... [2021-12-22 15:16:04,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04" (1/1) ... [2021-12-22 15:16:04,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04" (1/1) ... [2021-12-22 15:16:04,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:16:04,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:16:05,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:16:05,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:16:05,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04" (1/1) ... [2021-12-22 15:16:05,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:16:05,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:16:05,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:16:05,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:16:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_done [2021-12-22 15:16:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_done [2021-12-22 15:16:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_get_wwn [2021-12-22 15:16:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_get_wwn [2021-12-22 15:16:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_bsg_request [2021-12-22 15:16:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_bsg_request [2021-12-22 15:16:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-22 15:16:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_del [2021-12-22 15:16:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_del [2021-12-22 15:16:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-22 15:16:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-22 15:16:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:16:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:16:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-22 15:16:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-22 15:16:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-22 15:16:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-22 15:16:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_header_get [2021-12-22 15:16:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_header_get [2021-12-22 15:16:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:16:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:16:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:16:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:16:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev [2021-12-22 15:16:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev [2021-12-22 15:16:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_recv_flogi [2021-12-22 15:16:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_recv_flogi [2021-12-22 15:16:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_setlink [2021-12-22 15:16:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_setlink [2021-12-22 15:16:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_abort [2021-12-22 15:16:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_abort [2021-12-22 15:16:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-22 15:16:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-22 15:16:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_dev_from_skb [2021-12-22 15:16:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_dev_from_skb [2021-12-22 15:16:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2021-12-22 15:16:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2021-12-22 15:16:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_create [2021-12-22 15:16:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_create [2021-12-22 15:16:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_priv [2021-12-22 15:16:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_priv [2021-12-22 15:16:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2021-12-22 15:16:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2021-12-22 15:16:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_ok [2021-12-22 15:16:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_ok [2021-12-22 15:16:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_vport_destroy [2021-12-22 15:16:05,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_vport_destroy [2021-12-22 15:16:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_alloc [2021-12-22 15:16:05,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_alloc [2021-12-22 15:16:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_port_state [2021-12-22 15:16:05,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_port_state [2021-12-22 15:16:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure fc_release_transport [2021-12-22 15:16:05,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_release_transport [2021-12-22 15:16:05,145 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_reset [2021-12-22 15:16:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_reset [2021-12-22 15:16:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:16:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:16:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:16:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:16:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_speed_update [2021-12-22 15:16:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_speed_update [2021-12-22 15:16:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_xmit [2021-12-22 15:16:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_xmit [2021-12-22 15:16:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_logoff [2021-12-22 15:16:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_logoff [2021-12-22 15:16:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:16:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_get [2021-12-22 15:16:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_get [2021-12-22 15:16:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:16:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:16:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_remove [2021-12-22 15:16:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_remove [2021-12-22 15:16:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_alloc [2021-12-22 15:16:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_alloc [2021-12-22 15:16:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure is_fip_mode [2021-12-22 15:16:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fip_mode [2021-12-22 15:16:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-22 15:16:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-22 15:16:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_check_wait_queue [2021-12-22 15:16:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_check_wait_queue [2021-12-22 15:16:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_login [2021-12-22 15:16:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_login [2021-12-22 15:16:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:16:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2021-12-22 15:16:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2021-12-22 15:16:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_target [2021-12-22 15:16:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_target [2021-12-22 15:16:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_rport_loss_tmo [2021-12-22 15:16:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_rport_loss_tmo [2021-12-22 15:16:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:16:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_setup [2021-12-22 15:16:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_setup [2021-12-22 15:16:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:16:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:16:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:16:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_wwn_from_mac [2021-12-22 15:16:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_wwn_from_mac [2021-12-22 15:16:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-22 15:16:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-22 15:16:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-22 15:16:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-22 15:16:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:16:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:16:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure fc_attach_transport [2021-12-22 15:16:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_attach_transport [2021-12-22 15:16:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_lookup_port [2021-12-22 15:16:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_lookup_port [2021-12-22 15:16:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_getapp [2021-12-22 15:16:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_getapp [2021-12-22 15:16:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_terminate_io [2021-12-22 15:16:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_terminate_io [2021-12-22 15:16:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-22 15:16:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-22 15:16:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure _fcoe_create [2021-12-22 15:16:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _fcoe_create [2021-12-22 15:16:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_free [2021-12-22 15:16:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_free [2021-12-22 15:16:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:16:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:16:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-22 15:16:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-22 15:16:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:16:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_ieee_getapp_mask [2021-12-22 15:16:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_ieee_getapp_mask [2021-12-22 15:16:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:16:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_mfs [2021-12-22 15:16:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_mfs [2021-12-22 15:16:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:16:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:16:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-22 15:16:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-22 15:16:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:16:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:16:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_up [2021-12-22 15:16:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_up [2021-12-22 15:16:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure lport_priv [2021-12-22 15:16:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure lport_priv [2021-12-22 15:16:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev_features_change [2021-12-22 15:16:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev_features_change [2021-12-22 15:16:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_disable [2021-12-22 15:16:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_disable [2021-12-22 15:16:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:16:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:16:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_set_state [2021-12-22 15:16:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_set_state [2021-12-22 15:16:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_clean_pending_queue [2021-12-22 15:16:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_clean_pending_queue [2021-12-22 15:16:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-12-22 15:16:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-12-22 15:16:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_enabled [2021-12-22 15:16:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_enabled [2021-12-22 15:16:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_down [2021-12-22 15:16:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_down [2021-12-22 15:16:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-12-22 15:16:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-12-22 15:16:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-22 15:16:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-22 15:16:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:16:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:16:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2021-12-22 15:16:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2021-12-22 15:16:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-22 15:16:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-22 15:16:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:16:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:16:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_op [2021-12-22 15:16:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_op [2021-12-22 15:16:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_get_lesb [2021-12-22 15:16:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_get_lesb [2021-12-22 15:16:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:16:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:16:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:16:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:16:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure fc_elsct_send [2021-12-22 15:16:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_elsct_send [2021-12-22 15:16:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_vlan_id [2021-12-22 15:16:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_vlan_id [2021-12-22 15:16:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure fc_queuecommand [2021-12-22 15:16:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_queuecommand [2021-12-22 15:16:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 15:16:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 15:16:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-22 15:16:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-22 15:16:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 15:16:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-22 15:16:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-22 15:16:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_speed [2021-12-22 15:16:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_speed [2021-12-22 15:16:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2021-12-22 15:16:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2021-12-22 15:16:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_create [2021-12-22 15:16:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_create [2021-12-22 15:16:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:16:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:16:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:16:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:16:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_destroy [2021-12-22 15:16:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_destroy [2021-12-22 15:16:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:16:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:16:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:16:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:16:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_priv [2021-12-22 15:16:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_priv [2021-12-22 15:16:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_del [2021-12-22 15:16:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_del [2021-12-22 15:16:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy [2021-12-22 15:16:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy [2021-12-22 15:16:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-22 15:16:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-22 15:16:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-22 15:16:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-22 15:16:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_device_reset [2021-12-22 15:16:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_device_reset [2021-12-22 15:16:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:16:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:16:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:16:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwpn [2021-12-22 15:16:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwpn [2021-12-22 15:16:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-22 15:16:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-22 15:16:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:16:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-22 15:16:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-22 15:16:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:16:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:16:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-22 15:16:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-22 15:16:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_destroy [2021-12-22 15:16:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_destroy [2021-12-22 15:16:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-22 15:16:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-22 15:16:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-22 15:16:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-22 15:16:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_cleanup [2021-12-22 15:16:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_cleanup [2021-12-22 15:16:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:16:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2021-12-22 15:16:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2021-12-22 15:16:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-22 15:16:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-22 15:16:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure dev_add_pack [2021-12-22 15:16:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_add_pack [2021-12-22 15:16:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwnn [2021-12-22 15:16:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwnn [2021-12-22 15:16:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:16:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:16:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 15:16:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 15:16:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_stats [2021-12-22 15:16:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_stats [2021-12-22 15:16:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_46 [2021-12-22 15:16:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_46 [2021-12-22 15:16:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_enable [2021-12-22 15:16:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_enable [2021-12-22 15:16:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure ntoh24 [2021-12-22 15:16:05,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ntoh24 [2021-12-22 15:16:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_add [2021-12-22 15:16:05,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_add [2021-12-22 15:16:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-22 15:16:05,249 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-22 15:16:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2021-12-22 15:16:05,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2021-12-22 15:16:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_destroy [2021-12-22 15:16:05,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_destroy [2021-12-22 15:16:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-12-22 15:16:05,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-12-22 15:16:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_setup [2021-12-22 15:16:05,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_setup [2021-12-22 15:16:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-12-22 15:16:05,250 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-12-22 15:16:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:16:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_create [2021-12-22 15:16:05,250 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_create [2021-12-22 15:16:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_delete [2021-12-22 15:16:05,250 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_delete [2021-12-22 15:16:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:16:05,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:16:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2021-12-22 15:16:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2021-12-22 15:16:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:16:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:16:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-22 15:16:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-22 15:16:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-22 15:16:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-22 15:16:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2021-12-22 15:16:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2021-12-22 15:16:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_port_send [2021-12-22 15:16:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_port_send [2021-12-22 15:16:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_host_reset [2021-12-22 15:16:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_host_reset [2021-12-22 15:16:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy_work [2021-12-22 15:16:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy_work [2021-12-22 15:16:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-22 15:16:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-22 15:16:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2021-12-22 15:16:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2021-12-22 15:16:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-12-22 15:16:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-12-22 15:16:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure fc_slave_alloc [2021-12-22 15:16:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_slave_alloc [2021-12-22 15:16:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-22 15:16:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-22 15:16:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_elsct_send [2021-12-22 15:16:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_elsct_send [2021-12-22 15:16:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_real_dev [2021-12-22 15:16:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_real_dev [2021-12-22 15:16:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2021-12-22 15:16:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2021-12-22 15:16:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-22 15:16:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-22 15:16:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2021-12-22 15:16:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2021-12-22 15:16:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_remove_pack [2021-12-22 15:16:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_remove_pack [2021-12-22 15:16:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:16:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-22 15:16:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-22 15:16:06,029 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:16:06,033 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:16:06,381 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:16:08,944 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:16:08,971 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:16:08,974 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:16:08,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:16:08 BoogieIcfgContainer [2021-12-22 15:16:08,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:16:08,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:16:08,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:16:08,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:16:08,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:16:01" (1/3) ... [2021-12-22 15:16:08,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b5734f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:16:08, skipping insertion in model container [2021-12-22 15:16:08,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:04" (2/3) ... [2021-12-22 15:16:08,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b5734f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:16:08, skipping insertion in model container [2021-12-22 15:16:08,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:16:08" (3/3) ... [2021-12-22 15:16:08,985 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2021-12-22 15:16:08,988 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:16:08,989 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:16:09,038 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:16:09,050 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:16:09,051 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:16:09,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 2568 states, 1845 states have (on average 1.4065040650406504) internal successors, (2595), 1904 states have internal predecessors, (2595), 572 states have call successors, (572), 150 states have call predecessors, (572), 149 states have return successors, (559), 549 states have call predecessors, (559), 559 states have call successors, (559) [2021-12-22 15:16:09,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-22 15:16:09,140 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:16:09,141 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:16:09,142 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:16:09,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:16:09,146 INFO L85 PathProgramCache]: Analyzing trace with hash 417152885, now seen corresponding path program 1 times [2021-12-22 15:16:09,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:16:09,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228638382] [2021-12-22 15:16:09,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:16:09,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:16:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:16:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:16:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:16:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:16:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:16:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:09,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:16:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:16:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:16:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:16:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:16:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:16:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:16:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:16:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:16:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:16:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 15:16:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:16:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-22 15:16:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:16:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-22 15:16:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-22 15:16:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:16:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:16:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-22 15:16:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:16:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-22 15:16:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-22 15:16:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-22 15:16:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-22 15:16:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-22 15:16:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-22 15:16:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-22 15:16:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:10,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-22 15:16:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-22 15:16:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-22 15:16:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-22 15:16:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-22 15:16:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-22 15:16:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-22 15:16:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-22 15:16:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-22 15:16:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-22 15:16:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-22 15:16:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-22 15:16:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-22 15:16:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 15:16:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:11,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2318 trivial. 0 not checked. [2021-12-22 15:16:11,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:16:11,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228638382] [2021-12-22 15:16:11,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228638382] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:16:11,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:16:11,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:16:11,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142006818] [2021-12-22 15:16:11,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:16:11,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:16:11,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:16:11,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:16:11,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:16:11,204 INFO L87 Difference]: Start difference. First operand has 2568 states, 1845 states have (on average 1.4065040650406504) internal successors, (2595), 1904 states have internal predecessors, (2595), 572 states have call successors, (572), 150 states have call predecessors, (572), 149 states have return successors, (559), 549 states have call predecessors, (559), 559 states have call successors, (559) Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 2 states have internal predecessors, (140), 2 states have call successors, (55), 7 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-22 15:16:15,937 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 [] [2021-12-22 15:16:18,440 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 [] [2021-12-22 15:16:24,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:16:24,710 INFO L93 Difference]: Finished difference Result 5699 states and 8546 transitions. [2021-12-22 15:16:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:16:24,713 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 2 states have internal predecessors, (140), 2 states have call successors, (55), 7 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 524 [2021-12-22 15:16:24,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:16:24,745 INFO L225 Difference]: With dead ends: 5699 [2021-12-22 15:16:24,745 INFO L226 Difference]: Without dead ends: 3105 [2021-12-22 15:16:24,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:16:24,765 INFO L933 BasicCegarLoop]: 3387 mSDtfsCounter, 4377 mSDsluCounter, 5203 mSDsCounter, 0 mSdLazyCounter, 4183 mSolverCounterSat, 3548 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4686 SdHoareTripleChecker+Valid, 8590 SdHoareTripleChecker+Invalid, 7733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3548 IncrementalHoareTripleChecker+Valid, 4183 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:16:24,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4686 Valid, 8590 Invalid, 7733 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3548 Valid, 4183 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2021-12-22 15:16:24,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3105 states. [2021-12-22 15:16:24,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3105 to 2537. [2021-12-22 15:16:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 1832 states have (on average 1.4006550218340612) internal successors, (2566), 1877 states have internal predecessors, (2566), 557 states have call successors, (557), 148 states have call predecessors, (557), 147 states have return successors, (555), 545 states have call predecessors, (555), 555 states have call successors, (555) [2021-12-22 15:16:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 3678 transitions. [2021-12-22 15:16:24,984 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 3678 transitions. Word has length 524 [2021-12-22 15:16:24,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:16:24,986 INFO L470 AbstractCegarLoop]: Abstraction has 2537 states and 3678 transitions. [2021-12-22 15:16:24,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 2 states have internal predecessors, (140), 2 states have call successors, (55), 7 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-22 15:16:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3678 transitions. [2021-12-22 15:16:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-22 15:16:25,001 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:16:25,002 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:16:25,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:16:25,003 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:16:25,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:16:25,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1499618187, now seen corresponding path program 1 times [2021-12-22 15:16:25,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:16:25,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596381474] [2021-12-22 15:16:25,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:16:25,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:16:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:16:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:16:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:16:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:16:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:16:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:16:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:16:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:16:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:16:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:16:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:16:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:16:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:16:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:16:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:16:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:16:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 15:16:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:16:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:25,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-22 15:16:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:16:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-22 15:16:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-22 15:16:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:16:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:16:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-22 15:16:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:16:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-22 15:16:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-22 15:16:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-22 15:16:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-22 15:16:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-22 15:16:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-22 15:16:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-22 15:16:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-22 15:16:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-22 15:16:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-22 15:16:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-22 15:16:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-22 15:16:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-22 15:16:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-22 15:16:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-22 15:16:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-22 15:16:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-22 15:16:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-22 15:16:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-22 15:16:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-22 15:16:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:16:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 15:16:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:16:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2318 trivial. 0 not checked. [2021-12-22 15:16:26,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:16:26,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596381474] [2021-12-22 15:16:26,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596381474] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:16:26,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:16:26,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-22 15:16:26,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393030328] [2021-12-22 15:16:26,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:16:26,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-22 15:16:26,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:16:26,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-22 15:16:26,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:16:26,627 INFO L87 Difference]: Start difference. First operand 2537 states and 3678 transitions. Second operand has 10 states, 10 states have (on average 14.0) internal successors, (140), 5 states have internal predecessors, (140), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2021-12-22 15:16:32,269 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 [] [2021-12-22 15:16:34,407 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 []