/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 10:29:48,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 10:29:48,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 10:29:48,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 10:29:48,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 10:29:48,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 10:29:48,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 10:29:48,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 10:29:48,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 10:29:48,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 10:29:48,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 10:29:48,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 10:29:48,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 10:29:48,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 10:29:48,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 10:29:48,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 10:29:48,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 10:29:48,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 10:29:48,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 10:29:48,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 10:29:48,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 10:29:48,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 10:29:48,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 10:29:48,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 10:29:48,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 10:29:48,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 10:29:48,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 10:29:48,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 10:29:48,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 10:29:48,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 10:29:48,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 10:29:48,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 10:29:48,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 10:29:48,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 10:29:48,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 10:29:48,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 10:29:48,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 10:29:48,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 10:29:48,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 10:29:48,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 10:29:48,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 10:29:48,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 10:29:48,156 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 10:29:48,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 10:29:48,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 10:29:48,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 10:29:48,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 10:29:48,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 10:29:48,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 10:29:48,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 10:29:48,158 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 10:29:48,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 10:29:48,159 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 10:29:48,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 10:29:48,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 10:29:48,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 10:29:48,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 10:29:48,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 10:29:48,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 10:29:48,160 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 10:29:48,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 10:29:48,160 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 10:29:48,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 10:29:48,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 10:29:48,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 10:29:48,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 10:29:48,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:29:48,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 10:29:48,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 10:29:48,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 10:29:48,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 10:29:48,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 10:29:48,161 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 10:29:48,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 10:29:48,161 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 10:29:48,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 10:29:48,161 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 10:29:48,161 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 10:29:48,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 10:29:48,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 10:29:48,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 10:29:48,379 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 10:29:48,379 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 10:29:48,380 INFO L432 ainManager$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--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2023-04-02 10:29:49,464 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 10:29:49,871 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 10:29:49,871 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--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2023-04-02 10:29:49,901 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77ead9157/284e3ddf39644c30b326189b05cb9c42/FLAG3be941f88 [2023-04-02 10:29:49,913 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77ead9157/284e3ddf39644c30b326189b05cb9c42 [2023-04-02 10:29:49,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 10:29:49,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 10:29:49,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 10:29:49,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 10:29:49,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 10:29:49,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:29:49" (1/1) ... [2023-04-02 10:29:49,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7b518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:49, skipping insertion in model container [2023-04-02 10:29:49,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:29:49" (1/1) ... [2023-04-02 10:29:49,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 10:29:50,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 10:29:51,502 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--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i[262495,262508] [2023-04-02 10:29:51,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:29:51,567 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 10:29:51,731 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--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i[262495,262508] [2023-04-02 10:29:51,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:29:51,871 INFO L208 MainTranslator]: Completed translation [2023-04-02 10:29:51,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:51 WrapperNode [2023-04-02 10:29:51,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 10:29:51,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 10:29:51,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 10:29:51,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 10:29:51,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:51" (1/1) ... [2023-04-02 10:29:51,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:51" (1/1) ... [2023-04-02 10:29:51,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:51" (1/1) ... [2023-04-02 10:29:51,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:51" (1/1) ... [2023-04-02 10:29:52,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:51" (1/1) ... [2023-04-02 10:29:52,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:51" (1/1) ... [2023-04-02 10:29:52,085 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:51" (1/1) ... [2023-04-02 10:29:52,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:51" (1/1) ... [2023-04-02 10:29:52,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 10:29:52,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 10:29:52,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 10:29:52,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 10:29:52,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:51" (1/1) ... [2023-04-02 10:29:52,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:29:52,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:29:52,195 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) [2023-04-02 10:29:52,227 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 [2023-04-02 10:29:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 10:29:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 10:29:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-02 10:29:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-02 10:29:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-02 10:29:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2023-04-02 10:29:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-02 10:29:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-02 10:29:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-02 10:29:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_add_rx_skb [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill_atomic [2023-04-02 10:29:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_setup_rx [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_cleanup_rx [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_action [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_cleanup_tx [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_hard_start_xmit [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_settings [2023-04-02 10:29:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_settings [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_drvinfo [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_link [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_mib_isr [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_irq [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_isr [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_watch [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_getmac [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2023-04-02 10:29:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_init_one [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_init [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_exit [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_5 [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-02 10:29:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_6 [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_4 [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-02 10:29:52,255 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2023-04-02 10:29:52,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_42 [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_43 [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_44 [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_45 [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_46 [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_47 [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_48 [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_49 [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_50 [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-02 10:29:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-02 10:29:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_name [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-02 10:29:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_5 [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_5 [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_4 [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-02 10:29:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2023-04-02 10:29:52,261 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-04-02 10:29:52,262 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-02 10:29:52,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 10:29:52,262 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 10:29:52,262 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 10:29:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 10:29:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 10:29:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 10:29:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 10:29:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 10:29:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 10:29:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2023-04-02 10:29:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 10:29:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-02 10:29:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-02 10:29:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 10:29:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-02 10:29:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2023-04-02 10:29:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_44 [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_45 [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_43 [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2023-04-02 10:29:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_5 [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-02 10:29:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_6 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_4 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-02 10:29:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_49 [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_50 [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-02 10:29:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-02 10:29:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2023-04-02 10:29:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_42 [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_46 [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_47 [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_48 [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-04-02 10:29:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_name [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-04-02 10:29:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_add_rx_skb [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill_atomic [2023-04-02 10:29:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_setup_rx [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_cleanup_rx [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure rx_action [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_cleanup_tx [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_hard_start_xmit [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_settings [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_settings [2023-04-02 10:29:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_drvinfo [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_link [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_mib_isr [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_isr [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_irq [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_watch [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_getmac [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_init_one [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_init [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_exit [2023-04-02 10:29:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_5 [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_5 [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-02 10:29:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 10:29:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 10:29:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 10:29:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 10:29:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 10:29:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 10:29:52,988 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 10:29:52,993 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 10:29:53,118 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 10:29:55,159 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 10:29:55,172 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 10:29:55,172 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 10:29:55,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:29:55 BoogieIcfgContainer [2023-04-02 10:29:55,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 10:29:55,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 10:29:55,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 10:29:55,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 10:29:55,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:29:49" (1/3) ... [2023-04-02 10:29:55,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1a657e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:29:55, skipping insertion in model container [2023-04-02 10:29:55,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:29:51" (2/3) ... [2023-04-02 10:29:55,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1a657e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:29:55, skipping insertion in model container [2023-04-02 10:29:55,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:29:55" (3/3) ... [2023-04-02 10:29:55,180 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--ns83820.ko-entry_point.cil.out.i [2023-04-02 10:29:55,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 10:29:55,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 10:29:55,245 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 10:29:55,250 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31f67360, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 10:29:55,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 10:29:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 2313 states, 1530 states have (on average 1.3352941176470587) internal successors, (2043), 1583 states have internal predecessors, (2043), 555 states have call successors, (555), 210 states have call predecessors, (555), 209 states have return successors, (547), 540 states have call predecessors, (547), 547 states have call successors, (547) [2023-04-02 10:29:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-02 10:29:55,314 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:29:55,315 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:29:55,315 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:29:55,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:29:55,321 INFO L85 PathProgramCache]: Analyzing trace with hash -310184755, now seen corresponding path program 1 times [2023-04-02 10:29:55,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:29:55,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304266226] [2023-04-02 10:29:55,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:29:55,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:29:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:29:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:29:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:29:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:29:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:29:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:29:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:29:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:29:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:29:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:29:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:29:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:29:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 10:29:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 10:29:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-02 10:29:56,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:29:56,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304266226] [2023-04-02 10:29:56,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304266226] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:29:56,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:29:56,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 10:29:56,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425989571] [2023-04-02 10:29:56,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:29:56,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:29:56,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:29:56,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:29:56,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 10:29:56,243 INFO L87 Difference]: Start difference. First operand has 2313 states, 1530 states have (on average 1.3352941176470587) internal successors, (2043), 1583 states have internal predecessors, (2043), 555 states have call successors, (555), 210 states have call predecessors, (555), 209 states have return successors, (547), 540 states have call predecessors, (547), 547 states have call successors, (547) Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 10:30:15,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:30:15,887 INFO L93 Difference]: Finished difference Result 5512 states and 7946 transitions. [2023-04-02 10:30:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:30:15,889 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2023-04-02 10:30:15,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:30:15,912 INFO L225 Difference]: With dead ends: 5512 [2023-04-02 10:30:15,912 INFO L226 Difference]: Without dead ends: 3256 [2023-04-02 10:30:15,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2023-04-02 10:30:15,925 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 7200 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 7008 mSolverCounterSat, 4569 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7276 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 11577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4569 IncrementalHoareTripleChecker+Valid, 7008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2023-04-02 10:30:15,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7276 Valid, 1263 Invalid, 11577 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4569 Valid, 7008 Invalid, 0 Unknown, 0 Unchecked, 17.4s Time] [2023-04-02 10:30:15,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3256 states. [2023-04-02 10:30:16,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3256 to 2163. [2023-04-02 10:30:16,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2163 states, 1444 states have (on average 1.301246537396122) internal successors, (1879), 1482 states have internal predecessors, (1879), 519 states have call successors, (519), 201 states have call predecessors, (519), 199 states have return successors, (517), 511 states have call predecessors, (517), 517 states have call successors, (517) [2023-04-02 10:30:16,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 2163 states and 2915 transitions. [2023-04-02 10:30:16,540 INFO L78 Accepts]: Start accepts. Automaton has 2163 states and 2915 transitions. Word has length 132 [2023-04-02 10:30:16,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:30:16,541 INFO L495 AbstractCegarLoop]: Abstraction has 2163 states and 2915 transitions. [2023-04-02 10:30:16,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 10:30:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2915 transitions. [2023-04-02 10:30:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-02 10:30:16,551 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:30:16,551 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:30:16,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 10:30:16,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:30:16,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:30:16,552 INFO L85 PathProgramCache]: Analyzing trace with hash 375618255, now seen corresponding path program 1 times [2023-04-02 10:30:16,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:30:16,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506213497] [2023-04-02 10:30:16,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:30:16,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:30:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:30:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:30:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:30:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:30:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:30:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:30:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:30:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 10:30:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 10:30:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 10:30:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 10:30:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 10:30:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 10:30:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-04-02 10:30:17,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:30:17,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506213497] [2023-04-02 10:30:17,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506213497] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:30:17,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:30:17,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 10:30:17,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375249057] [2023-04-02 10:30:17,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:30:17,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:30:17,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:30:17,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:30:17,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 10:30:17,231 INFO L87 Difference]: Start difference. First operand 2163 states and 2915 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-02 10:30:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:30:32,989 INFO L93 Difference]: Finished difference Result 4720 states and 6413 transitions. [2023-04-02 10:30:32,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:30:32,990 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 180 [2023-04-02 10:30:32,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:30:33,000 INFO L225 Difference]: With dead ends: 4720 [2023-04-02 10:30:33,000 INFO L226 Difference]: Without dead ends: 2586 [2023-04-02 10:30:33,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2023-04-02 10:30:33,007 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 5913 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 6965 mSolverCounterSat, 4069 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5956 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 11034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4069 IncrementalHoareTripleChecker+Valid, 6965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:30:33,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5956 Valid, 1022 Invalid, 11034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4069 Valid, 6965 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2023-04-02 10:30:33,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2586 states. [2023-04-02 10:30:33,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2586 to 2013. [2023-04-02 10:30:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2013 states, 1342 states have (on average 1.286140089418778) internal successors, (1726), 1370 states have internal predecessors, (1726), 479 states have call successors, (479), 193 states have call predecessors, (479), 191 states have return successors, (477), 472 states have call predecessors, (477), 477 states have call successors, (477) [2023-04-02 10:30:33,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 2013 states and 2682 transitions. [2023-04-02 10:30:33,494 INFO L78 Accepts]: Start accepts. Automaton has 2013 states and 2682 transitions. Word has length 180 [2023-04-02 10:30:33,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:30:33,494 INFO L495 AbstractCegarLoop]: Abstraction has 2013 states and 2682 transitions. [2023-04-02 10:30:33,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-02 10:30:33,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 2682 transitions. [2023-04-02 10:30:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-04-02 10:30:33,498 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:30:33,498 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:30:33,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 10:30:33,499 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:30:33,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:30:33,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1637191369, now seen corresponding path program 1 times [2023-04-02 10:30:33,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:30:33,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192863587] [2023-04-02 10:30:33,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:30:33,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:30:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:33,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:30:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:33,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:30:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:33,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:30:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:33,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:30:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:30:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:30:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:30:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 10:30:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 10:30:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 10:30:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 10:30:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 10:30:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 10:30:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 10:30:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-04-02 10:30:34,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:30:34,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192863587] [2023-04-02 10:30:34,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192863587] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:30:34,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:30:34,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 10:30:34,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231988752] [2023-04-02 10:30:34,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:30:34,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:30:34,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:30:34,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:30:34,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 10:30:34,086 INFO L87 Difference]: Start difference. First operand 2013 states and 2682 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-02 10:30:56,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:30:56,593 INFO L93 Difference]: Finished difference Result 6534 states and 8822 transitions. [2023-04-02 10:30:56,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 10:30:56,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 174 [2023-04-02 10:30:56,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:30:56,607 INFO L225 Difference]: With dead ends: 6534 [2023-04-02 10:30:56,607 INFO L226 Difference]: Without dead ends: 4550 [2023-04-02 10:30:56,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2023-04-02 10:30:56,617 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 10545 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 8545 mSolverCounterSat, 6810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10855 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 15355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6810 IncrementalHoareTripleChecker+Valid, 8545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2023-04-02 10:30:56,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10855 Valid, 1017 Invalid, 15355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6810 Valid, 8545 Invalid, 0 Unknown, 0 Unchecked, 19.6s Time] [2023-04-02 10:30:56,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4550 states. [2023-04-02 10:30:57,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4550 to 3494. [2023-04-02 10:30:57,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3494 states, 2334 states have (on average 1.284490145672665) internal successors, (2998), 2384 states have internal predecessors, (2998), 812 states have call successors, (812), 349 states have call predecessors, (812), 347 states have return successors, (810), 800 states have call predecessors, (810), 810 states have call successors, (810) [2023-04-02 10:30:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 3494 states and 4620 transitions. [2023-04-02 10:30:57,595 INFO L78 Accepts]: Start accepts. Automaton has 3494 states and 4620 transitions. Word has length 174 [2023-04-02 10:30:57,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:30:57,597 INFO L495 AbstractCegarLoop]: Abstraction has 3494 states and 4620 transitions. [2023-04-02 10:30:57,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-02 10:30:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3494 states and 4620 transitions. [2023-04-02 10:30:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-04-02 10:30:57,603 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:30:57,603 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:30:57,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 10:30:57,604 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:30:57,604 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:30:57,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1814351230, now seen corresponding path program 1 times [2023-04-02 10:30:57,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:30:57,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214759364] [2023-04-02 10:30:57,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:30:57,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:30:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:30:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:30:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:30:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:30:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:30:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:30:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:30:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 10:30:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 10:30:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:30:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:30:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:30:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:30:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 10:30:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:30:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 10:30:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 10:30:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:30:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 10:30:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 10:30:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:30:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:30:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-04-02 10:30:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-04-02 10:30:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-04-02 10:30:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:58,252 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-04-02 10:30:58,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:30:58,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214759364] [2023-04-02 10:30:58,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214759364] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:30:58,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:30:58,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:30:58,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191017841] [2023-04-02 10:30:58,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:30:58,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:30:58,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:30:58,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:30:58,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:30:58,254 INFO L87 Difference]: Start difference. First operand 3494 states and 4620 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 10:31:12,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:31:12,217 INFO L93 Difference]: Finished difference Result 7129 states and 9650 transitions. [2023-04-02 10:31:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 10:31:12,217 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 275 [2023-04-02 10:31:12,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:31:12,229 INFO L225 Difference]: With dead ends: 7129 [2023-04-02 10:31:12,230 INFO L226 Difference]: Without dead ends: 3668 [2023-04-02 10:31:12,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2023-04-02 10:31:12,237 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 8969 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 6018 mSolverCounterSat, 6292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9011 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 12310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6292 IncrementalHoareTripleChecker+Valid, 6018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-04-02 10:31:12,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9011 Valid, 1110 Invalid, 12310 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6292 Valid, 6018 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2023-04-02 10:31:12,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3668 states. [2023-04-02 10:31:13,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3668 to 2823. [2023-04-02 10:31:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 1901 states have (on average 1.2877432930036823) internal successors, (2448), 1929 states have internal predecessors, (2448), 654 states have call successors, (654), 269 states have call predecessors, (654), 267 states have return successors, (652), 644 states have call predecessors, (652), 652 states have call successors, (652) [2023-04-02 10:31:13,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 3754 transitions. [2023-04-02 10:31:13,090 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 3754 transitions. Word has length 275 [2023-04-02 10:31:13,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:31:13,090 INFO L495 AbstractCegarLoop]: Abstraction has 2823 states and 3754 transitions. [2023-04-02 10:31:13,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 10:31:13,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3754 transitions. [2023-04-02 10:31:13,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-04-02 10:31:13,096 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:31:13,097 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:31:13,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 10:31:13,097 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:31:13,097 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:31:13,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1602136208, now seen corresponding path program 1 times [2023-04-02 10:31:13,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:31:13,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233478528] [2023-04-02 10:31:13,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:31:13,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:31:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:31:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:31:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:31:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:31:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:31:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:31:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:31:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 10:31:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 10:31:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 10:31:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:31:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 10:31:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 10:31:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-04-02 10:31:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-04-02 10:31:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-04-02 10:31:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-04-02 10:31:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-04-02 10:31:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-04-02 10:31:13,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:31:13,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233478528] [2023-04-02 10:31:13,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233478528] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:31:13,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:31:13,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 10:31:13,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835517063] [2023-04-02 10:31:13,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:31:13,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 10:31:13,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:31:13,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 10:31:13,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-04-02 10:31:13,906 INFO L87 Difference]: Start difference. First operand 2823 states and 3754 transitions. Second operand has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-02 10:31:34,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:31:34,711 INFO L93 Difference]: Finished difference Result 7760 states and 10480 transitions. [2023-04-02 10:31:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 10:31:34,722 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 283 [2023-04-02 10:31:34,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:31:34,738 INFO L225 Difference]: With dead ends: 7760 [2023-04-02 10:31:34,738 INFO L226 Difference]: Without dead ends: 4970 [2023-04-02 10:31:34,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2023-04-02 10:31:34,745 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 7861 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 9184 mSolverCounterSat, 5643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8154 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 14827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5643 IncrementalHoareTripleChecker+Valid, 9184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-04-02 10:31:34,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8154 Valid, 929 Invalid, 14827 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5643 Valid, 9184 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2023-04-02 10:31:34,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4970 states. [2023-04-02 10:31:35,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4970 to 4073. [2023-04-02 10:31:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4073 states, 2756 states have (on average 1.2888243831640058) internal successors, (3552), 2794 states have internal predecessors, (3552), 929 states have call successors, (929), 389 states have call predecessors, (929), 387 states have return successors, (927), 915 states have call predecessors, (927), 927 states have call successors, (927) [2023-04-02 10:31:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4073 states to 4073 states and 5408 transitions. [2023-04-02 10:31:35,901 INFO L78 Accepts]: Start accepts. Automaton has 4073 states and 5408 transitions. Word has length 283 [2023-04-02 10:31:35,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:31:35,902 INFO L495 AbstractCegarLoop]: Abstraction has 4073 states and 5408 transitions. [2023-04-02 10:31:35,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-02 10:31:35,902 INFO L276 IsEmpty]: Start isEmpty. Operand 4073 states and 5408 transitions. [2023-04-02 10:31:35,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-04-02 10:31:35,909 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:31:35,910 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:31:35,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 10:31:35,910 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:31:35,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:31:35,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1614834894, now seen corresponding path program 1 times [2023-04-02 10:31:35,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:31:35,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557518179] [2023-04-02 10:31:35,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:31:35,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:31:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:31:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:31:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:31:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:31:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:31:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:31:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:31:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 10:31:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 10:31:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 10:31:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:31:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 10:31:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 10:31:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-04-02 10:31:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-04-02 10:31:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 10:31:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-04-02 10:31:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-04-02 10:31:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-04-02 10:31:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-04-02 10:31:36,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:31:36,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557518179] [2023-04-02 10:31:36,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557518179] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:31:36,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:31:36,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 10:31:36,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383207064] [2023-04-02 10:31:36,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:31:36,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 10:31:36,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:31:36,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 10:31:36,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-04-02 10:31:36,607 INFO L87 Difference]: Start difference. First operand 4073 states and 5408 transitions. Second operand has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (38), 11 states have call predecessors, (38), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-04-02 10:31:49,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:31:49,708 INFO L93 Difference]: Finished difference Result 4974 states and 6745 transitions. [2023-04-02 10:31:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:31:49,709 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (38), 11 states have call predecessors, (38), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 309 [2023-04-02 10:31:49,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:31:49,723 INFO L225 Difference]: With dead ends: 4974 [2023-04-02 10:31:49,723 INFO L226 Difference]: Without dead ends: 4971 [2023-04-02 10:31:49,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2023-04-02 10:31:49,725 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 7071 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 6442 mSolverCounterSat, 5109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7347 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 11551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5109 IncrementalHoareTripleChecker+Valid, 6442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-04-02 10:31:49,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7347 Valid, 814 Invalid, 11551 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5109 Valid, 6442 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2023-04-02 10:31:49,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4971 states. [2023-04-02 10:31:50,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4971 to 4074. [2023-04-02 10:31:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4074 states, 2757 states have (on average 1.2887196227783824) internal successors, (3553), 2795 states have internal predecessors, (3553), 929 states have call successors, (929), 389 states have call predecessors, (929), 387 states have return successors, (927), 915 states have call predecessors, (927), 927 states have call successors, (927) [2023-04-02 10:31:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 4074 states and 5409 transitions. [2023-04-02 10:31:50,869 INFO L78 Accepts]: Start accepts. Automaton has 4074 states and 5409 transitions. Word has length 309 [2023-04-02 10:31:50,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:31:50,869 INFO L495 AbstractCegarLoop]: Abstraction has 4074 states and 5409 transitions. [2023-04-02 10:31:50,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (38), 11 states have call predecessors, (38), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-04-02 10:31:50,870 INFO L276 IsEmpty]: Start isEmpty. Operand 4074 states and 5409 transitions. [2023-04-02 10:31:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-04-02 10:31:50,877 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:31:50,877 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:31:50,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 10:31:50,878 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:31:50,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:31:50,878 INFO L85 PathProgramCache]: Analyzing trace with hash 876069587, now seen corresponding path program 1 times [2023-04-02 10:31:50,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:31:50,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718218855] [2023-04-02 10:31:50,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:31:50,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:31:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:31:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:31:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:31:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:31:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:31:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:31:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:31:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 10:31:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 10:31:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 10:31:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:51,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:31:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 10:31:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 10:31:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-04-02 10:31:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-04-02 10:31:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 10:31:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-04-02 10:31:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-04-02 10:31:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-04-02 10:31:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-04-02 10:31:52,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:31:52,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718218855] [2023-04-02 10:31:52,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718218855] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:31:52,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:31:52,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 10:31:52,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039411611] [2023-04-02 10:31:52,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:31:52,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 10:31:52,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:31:52,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 10:31:52,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-04-02 10:31:52,073 INFO L87 Difference]: Start difference. First operand 4074 states and 5409 transitions. Second operand has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (38), 12 states have call predecessors, (38), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 10:32:14,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:32:14,679 INFO L93 Difference]: Finished difference Result 12520 states and 16854 transitions. [2023-04-02 10:32:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 10:32:14,680 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (38), 12 states have call predecessors, (38), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 311 [2023-04-02 10:32:14,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:32:14,712 INFO L225 Difference]: With dead ends: 12520 [2023-04-02 10:32:14,712 INFO L226 Difference]: Without dead ends: 8479 [2023-04-02 10:32:14,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2023-04-02 10:32:14,722 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 9427 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 11072 mSolverCounterSat, 6832 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9699 SdHoareTripleChecker+Valid, 1347 SdHoareTripleChecker+Invalid, 17904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6832 IncrementalHoareTripleChecker+Valid, 11072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-04-02 10:32:14,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9699 Valid, 1347 Invalid, 17904 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6832 Valid, 11072 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2023-04-02 10:32:14,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8479 states. [2023-04-02 10:32:16,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8479 to 6729. [2023-04-02 10:32:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 4532 states have (on average 1.2797881729920564) internal successors, (5800), 4617 states have internal predecessors, (5800), 1527 states have call successors, (1527), 676 states have call predecessors, (1527), 669 states have return successors, (1537), 1477 states have call predecessors, (1537), 1525 states have call successors, (1537) [2023-04-02 10:32:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 8864 transitions. [2023-04-02 10:32:16,834 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 8864 transitions. Word has length 311 [2023-04-02 10:32:16,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:32:16,835 INFO L495 AbstractCegarLoop]: Abstraction has 6729 states and 8864 transitions. [2023-04-02 10:32:16,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (38), 12 states have call predecessors, (38), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 10:32:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 8864 transitions. [2023-04-02 10:32:16,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-04-02 10:32:16,843 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:32:16,843 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:32:16,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 10:32:16,843 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:32:16,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:32:16,843 INFO L85 PathProgramCache]: Analyzing trace with hash -753498704, now seen corresponding path program 1 times [2023-04-02 10:32:16,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:32:16,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132289307] [2023-04-02 10:32:16,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:16,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:32:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:32:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:32:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:32:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:32:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:32:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:32:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:32:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 10:32:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 10:32:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 10:32:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:32:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 10:32:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 10:32:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-04-02 10:32:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-04-02 10:32:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 10:32:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-04-02 10:32:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-04-02 10:32:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-04-02 10:32:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-04-02 10:32:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-04-02 10:32:17,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:32:17,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132289307] [2023-04-02 10:32:17,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132289307] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:32:17,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:32:17,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 10:32:17,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713796635] [2023-04-02 10:32:17,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:32:17,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 10:32:17,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:32:17,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 10:32:17,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-04-02 10:32:17,672 INFO L87 Difference]: Start difference. First operand 6729 states and 8864 transitions. Second operand has 13 states, 13 states have (on average 9.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (39), 12 states have call predecessors, (39), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 10:32:33,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:32:33,821 INFO L93 Difference]: Finished difference Result 15399 states and 20691 transitions. [2023-04-02 10:32:33,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 10:32:33,822 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (39), 12 states have call predecessors, (39), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 315 [2023-04-02 10:32:33,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:32:33,878 INFO L225 Difference]: With dead ends: 15399 [2023-04-02 10:32:33,878 INFO L226 Difference]: Without dead ends: 8703 [2023-04-02 10:32:33,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2023-04-02 10:32:33,890 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 6785 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 6827 mSolverCounterSat, 5357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7023 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 12184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5357 IncrementalHoareTripleChecker+Valid, 6827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-04-02 10:32:33,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7023 Valid, 984 Invalid, 12184 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5357 Valid, 6827 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2023-04-02 10:32:33,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8703 states. [2023-04-02 10:32:36,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8703 to 6789. [2023-04-02 10:32:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6789 states, 4572 states have (on average 1.2797462817147855) internal successors, (5851), 4658 states have internal predecessors, (5851), 1543 states have call successors, (1543), 676 states have call predecessors, (1543), 673 states have return successors, (1557), 1496 states have call predecessors, (1557), 1541 states have call successors, (1557) [2023-04-02 10:32:36,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6789 states to 6789 states and 8951 transitions. [2023-04-02 10:32:36,117 INFO L78 Accepts]: Start accepts. Automaton has 6789 states and 8951 transitions. Word has length 315 [2023-04-02 10:32:36,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:32:36,118 INFO L495 AbstractCegarLoop]: Abstraction has 6789 states and 8951 transitions. [2023-04-02 10:32:36,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (39), 12 states have call predecessors, (39), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 10:32:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 6789 states and 8951 transitions. [2023-04-02 10:32:36,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-04-02 10:32:36,128 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:32:36,128 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:32:36,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 10:32:36,129 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:32:36,129 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:32:36,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1981634971, now seen corresponding path program 1 times [2023-04-02 10:32:36,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:32:36,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877830989] [2023-04-02 10:32:36,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:36,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:32:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:32:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:32:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:32:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:32:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:32:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:32:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:32:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 10:32:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 10:32:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 10:32:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 10:32:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 10:32:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 10:32:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-04-02 10:32:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-04-02 10:32:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 10:32:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-04-02 10:32:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-04-02 10:32:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-04-02 10:32:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-04-02 10:32:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-04-02 10:32:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-04-02 10:32:37,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:32:37,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877830989] [2023-04-02 10:32:37,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877830989] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:32:37,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314558541] [2023-04-02 10:32:37,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:37,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:32:37,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:32:37,155 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) [2023-04-02 10:32:37,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 10:32:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:38,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 3293 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 10:32:38,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:32:38,195 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-04-02 10:32:38,196 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:32:38,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314558541] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:32:38,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:32:38,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 16 [2023-04-02 10:32:38,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496838944] [2023-04-02 10:32:38,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:32:38,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 10:32:38,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:32:38,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 10:32:38,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-04-02 10:32:38,198 INFO L87 Difference]: Start difference. First operand 6789 states and 8951 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 10:32:39,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:32:39,585 INFO L93 Difference]: Finished difference Result 11051 states and 14553 transitions. [2023-04-02 10:32:39,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-02 10:32:39,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 326 [2023-04-02 10:32:39,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:32:39,586 INFO L225 Difference]: With dead ends: 11051 [2023-04-02 10:32:39,586 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 10:32:39,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-04-02 10:32:39,607 INFO L413 NwaCegarLoop]: 2407 mSDtfsCounter, 40 mSDsluCounter, 4761 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 7168 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:32:39,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 7168 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:32:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 10:32:39,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 10:32:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-02 10:32:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 10:32:39,610 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 326 [2023-04-02 10:32:39,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:32:39,610 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 10:32:39,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 10:32:39,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 10:32:39,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 10:32:39,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 10:32:39,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 10:32:39,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:32:39,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 10:32:55,009 WARN L223 SmtUtils]: Spent 13.31s on a formula simplification. DAG size of input: 265 DAG size of output: 256 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 10:33:08,102 WARN L223 SmtUtils]: Spent 13.09s on a formula simplification. DAG size of input: 267 DAG size of output: 262 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 10:33:21,535 WARN L223 SmtUtils]: Spent 13.00s on a formula simplification. DAG size of input: 266 DAG size of output: 261 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 10:33:26,699 WARN L223 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 251 DAG size of output: 263 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 10:33:32,562 WARN L223 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 252 DAG size of output: 271 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 10:33:43,308 WARN L223 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 253 DAG size of output: 278 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 10:33:57,118 WARN L223 SmtUtils]: Spent 13.02s on a formula simplification. DAG size of input: 266 DAG size of output: 261 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)