/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 07:51:10,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 07:51:10,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 07:51:10,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 07:51:10,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 07:51:10,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 07:51:10,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 07:51:10,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 07:51:10,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 07:51:10,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 07:51:10,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 07:51:10,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 07:51:10,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 07:51:10,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 07:51:10,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 07:51:10,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 07:51:10,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 07:51:10,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 07:51:10,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 07:51:10,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 07:51:10,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 07:51:10,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 07:51:10,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 07:51:10,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 07:51:10,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 07:51:10,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 07:51:10,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 07:51:10,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 07:51:10,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 07:51:10,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 07:51:10,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 07:51:10,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 07:51:10,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 07:51:10,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 07:51:10,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 07:51:10,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 07:51:10,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 07:51:10,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 07:51:10,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 07:51:10,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 07:51:10,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 07:51:10,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 07:51:10,764 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 07:51:10,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 07:51:10,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 07:51:10,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 07:51:10,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 07:51:10,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 07:51:10,766 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 07:51:10,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 07:51:10,767 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 07:51:10,767 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 07:51:10,767 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 07:51:10,767 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 07:51:10,768 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 07:51:10,768 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 07:51:10,768 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 07:51:10,768 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 07:51:10,768 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 07:51:10,768 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 07:51:10,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 07:51:10,769 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 07:51:10,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 07:51:10,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 07:51:10,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 07:51:10,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 07:51:10,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 07:51:10,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 07:51:10,770 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 07:51:10,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 07:51:10,770 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 07:51:10,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 07:51:10,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 07:51:10,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 07:51:10,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:51:10,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 07:51:10,771 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 07:51:10,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 07:51:10,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 07:51:10,771 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 07:51:10,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 07:51:10,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 07:51:10,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 07:51:10,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 07:51:10,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 07:51:10,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 07:51:11,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 07:51:11,001 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 07:51:11,003 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 07:51:11,004 INFO L432 ainManager$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--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2023-04-01 07:51:12,145 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 07:51:12,668 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 07:51:12,669 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2023-04-01 07:51:12,721 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b60f83db/557a3851d60f4001ba3d9dd812c66cb3/FLAG6a7202509 [2023-04-01 07:51:12,736 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b60f83db/557a3851d60f4001ba3d9dd812c66cb3 [2023-04-01 07:51:12,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 07:51:12,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 07:51:12,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 07:51:12,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 07:51:12,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 07:51:12,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:51:12" (1/1) ... [2023-04-01 07:51:12,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6481fe1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:12, skipping insertion in model container [2023-04-01 07:51:12,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:51:12" (1/1) ... [2023-04-01 07:51:12,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 07:51:12,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 07:51:14,800 WARN L247 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--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2023-04-01 07:51:14,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:51:14,884 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 07:51:15,319 WARN L247 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--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2023-04-01 07:51:15,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:51:15,401 INFO L208 MainTranslator]: Completed translation [2023-04-01 07:51:15,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:15 WrapperNode [2023-04-01 07:51:15,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 07:51:15,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 07:51:15,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 07:51:15,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 07:51:15,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:15" (1/1) ... [2023-04-01 07:51:15,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:15" (1/1) ... [2023-04-01 07:51:15,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:15" (1/1) ... [2023-04-01 07:51:15,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:15" (1/1) ... [2023-04-01 07:51:15,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:15" (1/1) ... [2023-04-01 07:51:15,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:15" (1/1) ... [2023-04-01 07:51:15,653 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:15" (1/1) ... [2023-04-01 07:51:15,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:15" (1/1) ... [2023-04-01 07:51:15,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 07:51:15,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 07:51:15,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 07:51:15,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 07:51:15,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:15" (1/1) ... [2023-04-01 07:51:15,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:51:15,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:51:15,746 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) [2023-04-01 07:51:15,769 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 [2023-04-01 07:51:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 07:51:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 07:51:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-01 07:51:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-01 07:51:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-01 07:51:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 07:51:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-01 07:51:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~__be16~0 [2023-04-01 07:51:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 07:51:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 07:51:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 07:51:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 07:51:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 07:51:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 07:51:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 07:51:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 07:51:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2023-04-01 07:51:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2023-04-01 07:51:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2023-04-01 07:51:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2023-04-01 07:51:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2023-04-01 07:51:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2023-04-01 07:51:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2023-04-01 07:51:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2023-04-01 07:51:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2023-04-01 07:51:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2023-04-01 07:51:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-04-01 07:51:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-04-01 07:51:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2023-04-01 07:51:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2023-04-01 07:51:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2023-04-01 07:51:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2023-04-01 07:51:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2023-04-01 07:51:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2023-04-01 07:51:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2023-04-01 07:51:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2023-04-01 07:51:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2023-04-01 07:51:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2023-04-01 07:51:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2023-04-01 07:51:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2023-04-01 07:51:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2023-04-01 07:51:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2023-04-01 07:51:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2023-04-01 07:51:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2023-04-01 07:51:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2023-04-01 07:51:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2023-04-01 07:51:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2023-04-01 07:51:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2023-04-01 07:51:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2023-04-01 07:51:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2023-04-01 07:51:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2023-04-01 07:51:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2023-04-01 07:51:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2023-04-01 07:51:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2023-04-01 07:51:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2023-04-01 07:51:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2023-04-01 07:51:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2023-04-01 07:51:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2023-04-01 07:51:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2023-04-01 07:51:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2023-04-01 07:51:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2023-04-01 07:51:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2023-04-01 07:51:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2023-04-01 07:51:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2023-04-01 07:51:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2023-04-01 07:51:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2023-04-01 07:51:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2023-04-01 07:51:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_62 [2023-04-01 07:51:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_64 [2023-04-01 07:51:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_66 [2023-04-01 07:51:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_67 [2023-04-01 07:51:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_68 [2023-04-01 07:51:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_69 [2023-04-01 07:51:15,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_70 [2023-04-01 07:51:15,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_71 [2023-04-01 07:51:15,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_72 [2023-04-01 07:51:15,800 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-01 07:51:15,800 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-01 07:51:15,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 07:51:15,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 07:51:15,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rep_nop [2023-04-01 07:51:15,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-04-01 07:51:15,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 07:51:15,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2023-04-01 07:51:15,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_81 [2023-04-01 07:51:15,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-04-01 07:51:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-04-01 07:51:15,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-01 07:51:15,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-01 07:51:15,804 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-04-01 07:51:15,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-01 07:51:15,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-01 07:51:15,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-01 07:51:15,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-01 07:51:15,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-01 07:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-01 07:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-01 07:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-01 07:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-04-01 07:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2023-04-01 07:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ioctl [2023-04-01 07:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_watchdog [2023-04-01 07:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_attach [2023-04-01 07:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_init_one [2023-04-01 07:51:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2023-04-01 07:51:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2023-04-01 07:51:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2023-04-01 07:51:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2023-04-01 07:51:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ifdown [2023-04-01 07:51:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_interrupt [2023-04-01 07:51:15,808 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_start_xmit [2023-04-01 07:51:15,810 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_rx [2023-04-01 07:51:15,811 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_get_stats [2023-04-01 07:51:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_init [2023-04-01 07:51:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_exit [2023-04-01 07:51:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2023-04-01 07:51:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2023-04-01 07:51:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_initcsrs [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-04-01 07:51:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_98 [2023-04-01 07:51:15,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_100 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_102 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_103 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_104 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_105 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_106 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_107 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_108 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_109 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_110 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_111 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_112 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_113 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_114 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_115 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_116 [2023-04-01 07:51:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2023-04-01 07:51:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2023-04-01 07:51:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_ioctl [2023-04-01 07:51:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2023-04-01 07:51:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2023-04-01 07:51:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2023-04-01 07:51:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2023-04-01 07:51:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_150 [2023-04-01 07:51:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_152 [2023-04-01 07:51:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_154 [2023-04-01 07:51:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_155 [2023-04-01 07:51:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_156 [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_157 [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_158 [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_159 [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_160 [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-01 07:51:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_hdlcdev [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-01 07:51:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_close [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_open [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_start_xmit [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-01 07:51:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_device [2023-04-01 07:51:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 07:51:15,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 07:51:15,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 07:51:15,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 07:51:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 07:51:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 07:51:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 07:51:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-04-01 07:51:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_64 [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_72 [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_66 [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_62 [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_70 [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_71 [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_67 [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_68 [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_69 [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2023-04-01 07:51:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2023-04-01 07:51:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2023-04-01 07:51:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure rep_nop [2023-04-01 07:51:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_81 [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_113 [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-04-01 07:51:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-01 07:51:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_112 [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_114 [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-01 07:51:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_115 [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_116 [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_100 [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_108 [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_102 [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_98 [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_106 [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_107 [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2023-04-01 07:51:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_103 [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_104 [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_105 [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_110 [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_111 [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-01 07:51:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_109 [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_device [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_hdlcdev [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_start_xmit [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ioctl [2023-04-01 07:51:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_ioctl [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_start_xmit [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_rx [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_get_stats [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_interrupt [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_initcsrs [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ifdown [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_watchdog [2023-04-01 07:51:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_attach [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_init_one [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_init [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_exit [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-04-01 07:51:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_152 [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_160 [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_154 [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_150 [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_158 [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_159 [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_155 [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_156 [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_157 [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_open [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_close [2023-04-01 07:51:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2023-04-01 07:51:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~__be16~0 [2023-04-01 07:51:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 07:51:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 07:51:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 07:51:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 07:51:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 07:51:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 07:51:16,561 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 07:51:16,573 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 07:51:16,937 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 07:51:21,336 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 07:51:24,170 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 07:51:24,171 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 07:51:24,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:51:24 BoogieIcfgContainer [2023-04-01 07:51:24,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 07:51:24,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 07:51:24,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 07:51:24,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 07:51:24,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 07:51:12" (1/3) ... [2023-04-01 07:51:24,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a14e8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:51:24, skipping insertion in model container [2023-04-01 07:51:24,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:51:15" (2/3) ... [2023-04-01 07:51:24,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a14e8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:51:24, skipping insertion in model container [2023-04-01 07:51:24,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:51:24" (3/3) ... [2023-04-01 07:51:24,185 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2023-04-01 07:51:24,205 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 07:51:24,205 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 07:51:24,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 07:51:24,314 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38a4e2ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 07:51:24,314 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 07:51:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 2210 states, 1191 states have (on average 1.2560873215785056) internal successors, (1496), 1274 states have internal predecessors, (1496), 780 states have call successors, (780), 198 states have call predecessors, (780), 197 states have return successors, (774), 728 states have call predecessors, (774), 774 states have call successors, (774) [2023-04-01 07:51:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-01 07:51:24,360 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:51:24,361 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:51:24,361 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:51:24,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:51:24,367 INFO L85 PathProgramCache]: Analyzing trace with hash 562298960, now seen corresponding path program 1 times [2023-04-01 07:51:24,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:51:24,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118829324] [2023-04-01 07:51:24,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:51:24,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:51:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:51:25,097 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-04-01 07:51:25,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:51:25,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118829324] [2023-04-01 07:51:25,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118829324] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:51:25,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:51:25,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:51:25,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447030095] [2023-04-01 07:51:25,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:51:25,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:51:25,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:51:25,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:51:25,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:51:25,155 INFO L87 Difference]: Start difference. First operand has 2210 states, 1191 states have (on average 1.2560873215785056) internal successors, (1496), 1274 states have internal predecessors, (1496), 780 states have call successors, (780), 198 states have call predecessors, (780), 197 states have return successors, (774), 728 states have call predecessors, (774), 774 states have call successors, (774) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-01 07:51:27,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:51:27,416 INFO L93 Difference]: Finished difference Result 6044 states and 8605 transitions. [2023-04-01 07:51:27,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:51:27,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 89 [2023-04-01 07:51:27,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:51:27,466 INFO L225 Difference]: With dead ends: 6044 [2023-04-01 07:51:27,466 INFO L226 Difference]: Without dead ends: 3940 [2023-04-01 07:51:27,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:51:27,492 INFO L413 NwaCegarLoop]: 2980 mSDtfsCounter, 2713 mSDsluCounter, 2594 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2713 SdHoareTripleChecker+Valid, 5574 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-01 07:51:27,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2713 Valid, 5574 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-01 07:51:27,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2023-04-01 07:51:27,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3929. [2023-04-01 07:51:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3929 states, 2162 states have (on average 1.2627197039777984) internal successors, (2730), 2303 states have internal predecessors, (2730), 1408 states have call successors, (1408), 360 states have call predecessors, (1408), 358 states have return successors, (1406), 1320 states have call predecessors, (1406), 1406 states have call successors, (1406) [2023-04-01 07:51:27,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 3929 states and 5544 transitions. [2023-04-01 07:51:27,831 INFO L78 Accepts]: Start accepts. Automaton has 3929 states and 5544 transitions. Word has length 89 [2023-04-01 07:51:27,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:51:27,832 INFO L495 AbstractCegarLoop]: Abstraction has 3929 states and 5544 transitions. [2023-04-01 07:51:27,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-04-01 07:51:27,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3929 states and 5544 transitions. [2023-04-01 07:51:27,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-01 07:51:27,845 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:51:27,845 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:51:27,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 07:51:27,845 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:51:27,846 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:51:27,846 INFO L85 PathProgramCache]: Analyzing trace with hash 258642464, now seen corresponding path program 1 times [2023-04-01 07:51:27,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:51:27,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809586297] [2023-04-01 07:51:27,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:51:27,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:51:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:51:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-01 07:51:28,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:51:28,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809586297] [2023-04-01 07:51:28,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809586297] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:51:28,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:51:28,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 07:51:28,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673021788] [2023-04-01 07:51:28,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:51:28,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 07:51:28,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:51:28,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 07:51:28,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 07:51:28,825 INFO L87 Difference]: Start difference. First operand 3929 states and 5544 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 07:51:31,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:51:31,126 INFO L93 Difference]: Finished difference Result 6579 states and 9278 transitions. [2023-04-01 07:51:31,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 07:51:31,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 126 [2023-04-01 07:51:31,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:51:31,186 INFO L225 Difference]: With dead ends: 6579 [2023-04-01 07:51:31,186 INFO L226 Difference]: Without dead ends: 6576 [2023-04-01 07:51:31,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:51:31,201 INFO L413 NwaCegarLoop]: 3528 mSDtfsCounter, 2517 mSDsluCounter, 5485 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 9013 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-04-01 07:51:31,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 9013 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-04-01 07:51:31,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6576 states. [2023-04-01 07:51:31,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6576 to 6546. [2023-04-01 07:51:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6546 states, 3579 states have (on average 1.2545403744062587) internal successors, (4490), 3834 states have internal predecessors, (4490), 2358 states have call successors, (2358), 612 states have call predecessors, (2358), 608 states have return successors, (2380), 2186 states have call predecessors, (2380), 2356 states have call successors, (2380) [2023-04-01 07:51:31,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6546 states to 6546 states and 9228 transitions. [2023-04-01 07:51:31,710 INFO L78 Accepts]: Start accepts. Automaton has 6546 states and 9228 transitions. Word has length 126 [2023-04-01 07:51:31,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:51:31,711 INFO L495 AbstractCegarLoop]: Abstraction has 6546 states and 9228 transitions. [2023-04-01 07:51:31,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-01 07:51:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 6546 states and 9228 transitions. [2023-04-01 07:51:31,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-04-01 07:51:31,731 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:51:31,731 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:51:31,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 07:51:31,732 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:51:31,733 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:51:31,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1071267516, now seen corresponding path program 1 times [2023-04-01 07:51:31,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:51:31,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976607863] [2023-04-01 07:51:31,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:51:31,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:51:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:51:32,302 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-01 07:51:32,302 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:51:32,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976607863] [2023-04-01 07:51:32,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976607863] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:51:32,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:51:32,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 07:51:32,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484152801] [2023-04-01 07:51:32,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:51:32,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 07:51:32,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:51:32,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 07:51:32,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:51:32,305 INFO L87 Difference]: Start difference. First operand 6546 states and 9228 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-01 07:51:34,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:51:34,962 INFO L93 Difference]: Finished difference Result 19590 states and 27680 transitions. [2023-04-01 07:51:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 07:51:34,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 175 [2023-04-01 07:51:34,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:51:35,083 INFO L225 Difference]: With dead ends: 19590 [2023-04-01 07:51:35,083 INFO L226 Difference]: Without dead ends: 13077 [2023-04-01 07:51:35,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 07:51:35,147 INFO L413 NwaCegarLoop]: 2605 mSDtfsCounter, 2875 mSDsluCounter, 7788 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2879 SdHoareTripleChecker+Valid, 10393 SdHoareTripleChecker+Invalid, 1164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-01 07:51:35,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2879 Valid, 10393 Invalid, 1164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-01 07:51:35,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13077 states. [2023-04-01 07:51:36,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13077 to 13046. [2023-04-01 07:51:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13046 states, 7137 states have (on average 1.255149222362337) internal successors, (8958), 7651 states have internal predecessors, (8958), 4700 states have call successors, (4700), 1214 states have call predecessors, (4700), 1208 states have return successors, (4782), 4350 states have call predecessors, (4782), 4698 states have call successors, (4782) [2023-04-01 07:51:36,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13046 states to 13046 states and 18440 transitions. [2023-04-01 07:51:36,234 INFO L78 Accepts]: Start accepts. Automaton has 13046 states and 18440 transitions. Word has length 175 [2023-04-01 07:51:36,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:51:36,236 INFO L495 AbstractCegarLoop]: Abstraction has 13046 states and 18440 transitions. [2023-04-01 07:51:36,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-01 07:51:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand 13046 states and 18440 transitions. [2023-04-01 07:51:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-01 07:51:36,265 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:51:36,265 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:51:36,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 07:51:36,265 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:51:36,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:51:36,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1783926071, now seen corresponding path program 1 times [2023-04-01 07:51:36,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:51:36,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437204242] [2023-04-01 07:51:36,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:51:36,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:51:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:51:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-01 07:51:36,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:51:36,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437204242] [2023-04-01 07:51:36,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437204242] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:51:36,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:51:36,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 07:51:36,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654487299] [2023-04-01 07:51:36,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:51:36,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 07:51:36,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:51:36,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 07:51:36,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:51:36,656 INFO L87 Difference]: Start difference. First operand 13046 states and 18440 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-01 07:51:40,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:51:40,742 INFO L93 Difference]: Finished difference Result 29880 states and 42168 transitions. [2023-04-01 07:51:40,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 07:51:40,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 176 [2023-04-01 07:51:40,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:51:40,922 INFO L225 Difference]: With dead ends: 29880 [2023-04-01 07:51:40,922 INFO L226 Difference]: Without dead ends: 19593 [2023-04-01 07:51:41,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 07:51:41,004 INFO L413 NwaCegarLoop]: 2646 mSDtfsCounter, 2871 mSDsluCounter, 7862 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2875 SdHoareTripleChecker+Valid, 10508 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-01 07:51:41,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2875 Valid, 10508 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-04-01 07:51:41,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19593 states. [2023-04-01 07:51:42,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19593 to 19552. [2023-04-01 07:51:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19552 states, 10703 states have (on average 1.2551621040829675) internal successors, (13434), 11466 states have internal predecessors, (13434), 7040 states have call successors, (7040), 1816 states have call predecessors, (7040), 1808 states have return successors, (7180), 6522 states have call predecessors, (7180), 7038 states have call successors, (7180) [2023-04-01 07:51:42,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19552 states to 19552 states and 27654 transitions. [2023-04-01 07:51:42,515 INFO L78 Accepts]: Start accepts. Automaton has 19552 states and 27654 transitions. Word has length 176 [2023-04-01 07:51:42,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:51:42,516 INFO L495 AbstractCegarLoop]: Abstraction has 19552 states and 27654 transitions. [2023-04-01 07:51:42,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-01 07:51:42,516 INFO L276 IsEmpty]: Start isEmpty. Operand 19552 states and 27654 transitions. [2023-04-01 07:51:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-01 07:51:42,549 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:51:42,549 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:51:42,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 07:51:42,550 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:51:42,550 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:51:42,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1428944353, now seen corresponding path program 1 times [2023-04-01 07:51:42,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:51:42,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982699515] [2023-04-01 07:51:42,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:51:42,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:51:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:51:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-01 07:51:43,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:51:43,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982699515] [2023-04-01 07:51:43,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982699515] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:51:43,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:51:43,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 07:51:43,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715212779] [2023-04-01 07:51:43,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:51:43,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 07:51:43,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:51:43,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 07:51:43,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:51:43,053 INFO L87 Difference]: Start difference. First operand 19552 states and 27654 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-01 07:51:47,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:51:47,053 INFO L93 Difference]: Finished difference Result 36396 states and 51386 transitions. [2023-04-01 07:51:47,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 07:51:47,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 177 [2023-04-01 07:51:47,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:51:47,203 INFO L225 Difference]: With dead ends: 36396 [2023-04-01 07:51:47,204 INFO L226 Difference]: Without dead ends: 19601 [2023-04-01 07:51:47,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 07:51:47,298 INFO L413 NwaCegarLoop]: 2646 mSDtfsCounter, 2869 mSDsluCounter, 7862 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2873 SdHoareTripleChecker+Valid, 10508 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-04-01 07:51:47,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2873 Valid, 10508 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-04-01 07:51:47,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19601 states. [2023-04-01 07:51:48,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19601 to 19560. [2023-04-01 07:51:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19560 states, 10711 states have (on average 1.2549715246008777) internal successors, (13442), 11472 states have internal predecessors, (13442), 7038 states have call successors, (7038), 1818 states have call predecessors, (7038), 1810 states have return successors, (7178), 6522 states have call predecessors, (7178), 7036 states have call successors, (7178) [2023-04-01 07:51:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19560 states to 19560 states and 27658 transitions. [2023-04-01 07:51:48,683 INFO L78 Accepts]: Start accepts. Automaton has 19560 states and 27658 transitions. Word has length 177 [2023-04-01 07:51:48,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:51:48,684 INFO L495 AbstractCegarLoop]: Abstraction has 19560 states and 27658 transitions. [2023-04-01 07:51:48,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-01 07:51:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 19560 states and 27658 transitions. [2023-04-01 07:51:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-01 07:51:48,716 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:51:48,716 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:51:48,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 07:51:48,717 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:51:48,717 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:51:48,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1779161542, now seen corresponding path program 1 times [2023-04-01 07:51:48,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:51:48,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414028715] [2023-04-01 07:51:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:51:48,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:51:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:51:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-01 07:51:49,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:51:49,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414028715] [2023-04-01 07:51:49,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414028715] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:51:49,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:51:49,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 07:51:49,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249579176] [2023-04-01 07:51:49,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:51:49,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 07:51:49,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:51:49,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 07:51:49,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:51:49,172 INFO L87 Difference]: Start difference. First operand 19560 states and 27658 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-01 07:51:52,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:51:52,220 INFO L93 Difference]: Finished difference Result 35626 states and 50288 transitions. [2023-04-01 07:51:52,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 07:51:52,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 178 [2023-04-01 07:51:52,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:51:52,369 INFO L225 Difference]: With dead ends: 35626 [2023-04-01 07:51:52,369 INFO L226 Difference]: Without dead ends: 18821 [2023-04-01 07:51:52,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-04-01 07:51:52,466 INFO L413 NwaCegarLoop]: 2646 mSDtfsCounter, 2867 mSDsluCounter, 7864 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 10510 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-01 07:51:52,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2871 Valid, 10510 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-01 07:51:52,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18821 states. [2023-04-01 07:51:53,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18821 to 18786. [2023-04-01 07:51:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18786 states, 10237 states have (on average 1.2519292761551235) internal successors, (12816), 10980 states have internal predecessors, (12816), 6804 states have call successors, (6804), 1750 states have call predecessors, (6804), 1744 states have return successors, (6940), 6294 states have call predecessors, (6940), 6802 states have call successors, (6940) [2023-04-01 07:51:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18786 states to 18786 states and 26560 transitions. [2023-04-01 07:51:53,775 INFO L78 Accepts]: Start accepts. Automaton has 18786 states and 26560 transitions. Word has length 178 [2023-04-01 07:51:53,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:51:53,775 INFO L495 AbstractCegarLoop]: Abstraction has 18786 states and 26560 transitions. [2023-04-01 07:51:53,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-01 07:51:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 18786 states and 26560 transitions. [2023-04-01 07:51:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-04-01 07:51:53,809 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:51:53,809 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:51:53,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 07:51:53,810 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:51:53,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:51:53,810 INFO L85 PathProgramCache]: Analyzing trace with hash -2073408618, now seen corresponding path program 1 times [2023-04-01 07:51:53,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:51:53,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791317555] [2023-04-01 07:51:53,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:51:53,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:51:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:51:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-04-01 07:51:54,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:51:54,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791317555] [2023-04-01 07:51:54,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791317555] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 07:51:54,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602150547] [2023-04-01 07:51:54,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:51:54,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 07:51:54,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:51:54,661 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 07:51:54,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 07:51:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:51:55,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 2842 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-01 07:51:55,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 07:51:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-04-01 07:51:55,761 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 07:51:55,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602150547] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:51:55,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 07:51:55,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-04-01 07:51:55,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375692681] [2023-04-01 07:51:55,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:51:55,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 07:51:55,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:51:55,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 07:51:55,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-04-01 07:51:55,763 INFO L87 Difference]: Start difference. First operand 18786 states and 26560 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28)