/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--icplus--ipg.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 10:26:52,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 10:26:52,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 10:26:52,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 10:26:52,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 10:26:52,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 10:26:52,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 10:26:52,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 10:26:52,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 10:26:52,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 10:26:52,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 10:26:52,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 10:26:52,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 10:26:52,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 10:26:52,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 10:26:52,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 10:26:52,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 10:26:52,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 10:26:52,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 10:26:52,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 10:26:52,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 10:26:52,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 10:26:52,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 10:26:52,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 10:26:52,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 10:26:52,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 10:26:52,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 10:26:52,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 10:26:52,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 10:26:52,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 10:26:52,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 10:26:52,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 10:26:52,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 10:26:52,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 10:26:52,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 10:26:52,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 10:26:52,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 10:26:52,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 10:26:52,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 10:26:52,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 10:26:52,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 10:26:52,198 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 10:26:52,221 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 10:26:52,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 10:26:52,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 10:26:52,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 10:26:52,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 10:26:52,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 10:26:52,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 10:26:52,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 10:26:52,223 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 10:26:52,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 10:26:52,224 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 10:26:52,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 10:26:52,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 10:26:52,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 10:26:52,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 10:26:52,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 10:26:52,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 10:26:52,224 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 10:26:52,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 10:26:52,224 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 10:26:52,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 10:26:52,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 10:26:52,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 10:26:52,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 10:26:52,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:26:52,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 10:26:52,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 10:26:52,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 10:26:52,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 10:26:52,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 10:26:52,226 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 10:26:52,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 10:26:52,226 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 10:26:52,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 10:26:52,226 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 10:26:52,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 10:26:52,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 10:26:52,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 10:26:52,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 10:26:52,422 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 10:26:52,422 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 10:26:52,422 INFO L432 ainManager$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--icplus--ipg.ko-entry_point.cil.out.i [2023-04-02 10:26:53,479 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 10:26:53,935 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 10:26:53,936 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--icplus--ipg.ko-entry_point.cil.out.i [2023-04-02 10:26:53,967 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d2441608/4cd46fc8a0874d82ab6d2ccbd5630b8d/FLAG5179c1a11 [2023-04-02 10:26:53,981 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d2441608/4cd46fc8a0874d82ab6d2ccbd5630b8d [2023-04-02 10:26:53,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 10:26:53,983 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 10:26:53,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 10:26:53,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 10:26:53,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 10:26:53,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:26:53" (1/1) ... [2023-04-02 10:26:53,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41225ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:53, skipping insertion in model container [2023-04-02 10:26:53,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:26:53" (1/1) ... [2023-04-02 10:26:53,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 10:26:54,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 10:26:55,269 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--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2023-04-02 10:26:55,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:26:55,329 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 10:26:55,518 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--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2023-04-02 10:26:55,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:26:55,656 INFO L208 MainTranslator]: Completed translation [2023-04-02 10:26:55,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:55 WrapperNode [2023-04-02 10:26:55,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 10:26:55,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 10:26:55,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 10:26:55,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 10:26:55,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:55" (1/1) ... [2023-04-02 10:26:55,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:55" (1/1) ... [2023-04-02 10:26:55,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:55" (1/1) ... [2023-04-02 10:26:55,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:55" (1/1) ... [2023-04-02 10:26:55,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:55" (1/1) ... [2023-04-02 10:26:55,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:55" (1/1) ... [2023-04-02 10:26:55,858 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:55" (1/1) ... [2023-04-02 10:26:55,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:55" (1/1) ... [2023-04-02 10:26:55,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 10:26:55,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 10:26:55,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 10:26:55,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 10:26:55,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:55" (1/1) ... [2023-04-02 10:26:55,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:26:55,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:26:55,924 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 10:26:55,931 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 10:26:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 10:26:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 10:26:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 10:26:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-02 10:26:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-02 10:26:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-02 10:26:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-02 10:26:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-02 10:26:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-02 10:26:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-02 10:26:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-02 10:26:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-02 10:26:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-02 10:26:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-02 10:26:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-02 10:26:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-02 10:26:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-02 10:26:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-02 10:26:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-02 10:26:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-02 10:26:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-02 10:26:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-02 10:26:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2023-04-02 10:26:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2023-04-02 10:26:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure send_end [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_led_mode [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_set [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_find_phyaddr [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2023-04-02 10:26:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2023-04-02 10:26:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2023-04-02 10:26:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2023-04-02 10:26:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2023-04-02 10:26:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txcleanup [2023-04-02 10:26:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2023-04-02 10:26:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2023-04-02 10:26:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2023-04-02 10:26:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_frame_type [2023-04-02 10:26:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2023-04-02 10:26:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start_and_end [2023-04-02 10:26:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start [2023-04-02 10:26:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_end [2023-04-02 10:26:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_no_start_no_end [2023-04-02 10:26:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_jumbo [2023-04-02 10:26:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx [2023-04-02 10:26:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2023-04-02 10:26:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_interrupt_handler [2023-04-02 10:26:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2023-04-02 10:26:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2023-04-02 10:26:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2023-04-02 10:26:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2023-04-02 10:26:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_hard_start_xmit [2023-04-02 10:26:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_default_param [2023-04-02 10:26:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-04-02 10:26:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_init_mii [2023-04-02 10:26:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_hw_init [2023-04-02 10:26:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2023-04-02 10:26:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2023-04-02 10:26:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_settings [2023-04-02 10:26:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_settings [2023-04-02 10:26:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2023-04-02 10:26:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2023-04-02 10:26:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_probe [2023-04-02 10:26:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_init [2023-04-02 10:26:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_exit [2023-04-02 10:26:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2023-04-02 10:26:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2023-04-02 10:26:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-02 10:26:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2023-04-02 10:26:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2023-04-02 10:26:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-02 10:26:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-02 10:26:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-02 10:26:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-04-02 10:26:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2023-04-02 10:26:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2023-04-02 10:26:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2023-04-02 10:26:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-02 10:26:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2023-04-02 10:26:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 10:26:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-02 10:26:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-02 10:26:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-02 10:26:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-02 10:26:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 10:26:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2023-04-02 10:26:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_42 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2023-04-02 10:26:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_45 [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_46 [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_47 [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_48 [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_49 [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_50 [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-02 10:26:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-02 10:26:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-04-02 10:26:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-02 10:26:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 10:26:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 10:26:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 10:26:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-02 10:26:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 10:26:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 10:26:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 10:26:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 10:26:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 10:26:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 10:26:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 10:26:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 10:26:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 10:26:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 10:26:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-02 10:26:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-02 10:26:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2023-04-02 10:26:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-02 10:26:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 10:26:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-02 10:26:55,988 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 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-02 10:26:55,988 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 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2023-04-02 10:26:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_42 [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-04-02 10:26:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_49 [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_50 [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-02 10:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_46 [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_48 [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-02 10:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_47 [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_45 [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure send_end [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 10:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_led_mode [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_set [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_find_phyaddr [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txcleanup [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2023-04-02 10:26:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_frame_type [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start_and_end [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_end [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_no_start_no_end [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_jumbo [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_interrupt_handler [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_hard_start_xmit [2023-04-02 10:26:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_default_param [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_init_mii [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_hw_init [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_settings [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_settings [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_probe [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_init [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_exit [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 10:26:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 10:26:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 10:26:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 10:26:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 10:26:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 10:26:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 10:26:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 10:26:56,644 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 10:26:56,652 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 10:26:57,487 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 10:26:59,522 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 10:26:59,533 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 10:26:59,533 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-02 10:26:59,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:26:59 BoogieIcfgContainer [2023-04-02 10:26:59,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 10:26:59,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 10:26:59,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 10:26:59,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 10:26:59,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:26:53" (1/3) ... [2023-04-02 10:26:59,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48fefc66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:26:59, skipping insertion in model container [2023-04-02 10:26:59,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:26:55" (2/3) ... [2023-04-02 10:26:59,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48fefc66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:26:59, skipping insertion in model container [2023-04-02 10:26:59,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:26:59" (3/3) ... [2023-04-02 10:26:59,540 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2023-04-02 10:26:59,550 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 10:26:59,550 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 10:26:59,612 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 10:26:59,616 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;@73738b5e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 10:26:59,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 10:26:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 2164 states, 1433 states have (on average 1.3447313328681088) internal successors, (1927), 1482 states have internal predecessors, (1927), 512 states have call successors, (512), 204 states have call predecessors, (512), 203 states have return successors, (504), 496 states have call predecessors, (504), 504 states have call successors, (504) [2023-04-02 10:26:59,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-02 10:26:59,641 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:26:59,641 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:26:59,642 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:26:59,644 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:26:59,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1365970442, now seen corresponding path program 1 times [2023-04-02 10:26:59,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:26:59,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433894011] [2023-04-02 10:26:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:26:59,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:26:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:27:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:27:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:27:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:27:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:27:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:27:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:27:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:27:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:27:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:27:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:27:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:27:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:27:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 10:27:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 10:27:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:27:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:00,524 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 10:27:00,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:27:00,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433894011] [2023-04-02 10:27:00,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433894011] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:27:00,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:27:00,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 10:27:00,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824409770] [2023-04-02 10:27:00,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:27:00,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 10:27:00,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:27:00,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 10:27:00,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-02 10:27:00,559 INFO L87 Difference]: Start difference. First operand has 2164 states, 1433 states have (on average 1.3447313328681088) internal successors, (1927), 1482 states have internal predecessors, (1927), 512 states have call successors, (512), 204 states have call predecessors, (512), 203 states have return successors, (504), 496 states have call predecessors, (504), 504 states have call successors, (504) Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-02 10:27:17,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:27:18,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:27:18,533 INFO L93 Difference]: Finished difference Result 4616 states and 6551 transitions. [2023-04-02 10:27:18,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 10:27:18,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 149 [2023-04-02 10:27:18,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:27:18,553 INFO L225 Difference]: With dead ends: 4616 [2023-04-02 10:27:18,553 INFO L226 Difference]: Without dead ends: 2507 [2023-04-02 10:27:18,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:27:18,564 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 4299 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 5608 mSolverCounterSat, 2331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4557 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 7939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2331 IncrementalHoareTripleChecker+Valid, 5608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2023-04-02 10:27:18,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4557 Valid, 1190 Invalid, 7939 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2331 Valid, 5608 Invalid, 0 Unknown, 0 Unchecked, 16.2s Time] [2023-04-02 10:27:18,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2023-04-02 10:27:19,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 2044. [2023-04-02 10:27:19,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2044 states, 1366 states have (on average 1.322108345534407) internal successors, (1806), 1401 states have internal predecessors, (1806), 482 states have call successors, (482), 197 states have call predecessors, (482), 195 states have return successors, (480), 472 states have call predecessors, (480), 480 states have call successors, (480) [2023-04-02 10:27:19,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 2044 states and 2768 transitions. [2023-04-02 10:27:19,150 INFO L78 Accepts]: Start accepts. Automaton has 2044 states and 2768 transitions. Word has length 149 [2023-04-02 10:27:19,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:27:19,150 INFO L495 AbstractCegarLoop]: Abstraction has 2044 states and 2768 transitions. [2023-04-02 10:27:19,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-02 10:27:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 2768 transitions. [2023-04-02 10:27:19,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-02 10:27:19,156 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:27:19,156 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:27:19,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 10:27:19,156 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:27:19,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:27:19,157 INFO L85 PathProgramCache]: Analyzing trace with hash -61235474, now seen corresponding path program 1 times [2023-04-02 10:27:19,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:27:19,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025779637] [2023-04-02 10:27:19,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:27:19,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:27:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:27:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:27:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:27:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:27:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:27:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:27:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:27:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:27:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:27:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:27:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:27:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:27:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:19,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:27:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:20,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:27:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:20,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 10:27:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 10:27:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:20,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 10:27:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:27:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 10:27:20,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:27:20,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025779637] [2023-04-02 10:27:20,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025779637] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:27:20,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:27:20,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:27:20,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114706973] [2023-04-02 10:27:20,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:27:20,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:27:20,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:27:20,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:27:20,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:27:20,029 INFO L87 Difference]: Start difference. First operand 2044 states and 2768 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-02 10:27:49,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:27:50,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:27:56,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:27:57,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:28:00,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:28:03,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:28:03,340 INFO L93 Difference]: Finished difference Result 6929 states and 9653 transitions. [2023-04-02 10:28:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 10:28:03,340 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 149 [2023-04-02 10:28:03,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:28:03,360 INFO L225 Difference]: With dead ends: 6929 [2023-04-02 10:28:03,360 INFO L226 Difference]: Without dead ends: 4920 [2023-04-02 10:28:03,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2023-04-02 10:28:03,367 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 9994 mSDsluCounter, 2055 mSDsCounter, 0 mSdLazyCounter, 16122 mSolverCounterSat, 5662 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10284 SdHoareTripleChecker+Valid, 2403 SdHoareTripleChecker+Invalid, 21784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5662 IncrementalHoareTripleChecker+Valid, 16122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2023-04-02 10:28:03,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10284 Valid, 2403 Invalid, 21784 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5662 Valid, 16122 Invalid, 0 Unknown, 0 Unchecked, 39.6s Time] [2023-04-02 10:28:03,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4920 states. [2023-04-02 10:28:04,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4920 to 4163. [2023-04-02 10:28:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4163 states, 2783 states have (on average 1.3212360761767876) internal successors, (3677), 2865 states have internal predecessors, (3677), 976 states have call successors, (976), 388 states have call predecessors, (976), 403 states have return successors, (1030), 964 states have call predecessors, (1030), 974 states have call successors, (1030) [2023-04-02 10:28:04,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 4163 states and 5683 transitions. [2023-04-02 10:28:04,553 INFO L78 Accepts]: Start accepts. Automaton has 4163 states and 5683 transitions. Word has length 149 [2023-04-02 10:28:04,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:28:04,554 INFO L495 AbstractCegarLoop]: Abstraction has 4163 states and 5683 transitions. [2023-04-02 10:28:04,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-02 10:28:04,554 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 5683 transitions. [2023-04-02 10:28:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-02 10:28:04,558 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:28:04,558 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:28:04,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 10:28:04,558 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:28:04,559 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:28:04,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1027536823, now seen corresponding path program 1 times [2023-04-02 10:28:04,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:28:04,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10065363] [2023-04-02 10:28:04,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:28:04,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:28:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:28:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:28:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:28:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:28:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:28:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:28:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:28:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:28:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:28:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:28:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:28:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:28:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:28:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 10:28:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 10:28:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 10:28:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 10:28:05,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:28:05,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10065363] [2023-04-02 10:28:05,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10065363] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:28:05,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:28:05,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:28:05,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234826742] [2023-04-02 10:28:05,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:28:05,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:28:05,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:28:05,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:28:05,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:28:05,219 INFO L87 Difference]: Start difference. First operand 4163 states and 5683 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-02 10:28:32,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:28:39,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:28:39,471 INFO L93 Difference]: Finished difference Result 13891 states and 19467 transitions. [2023-04-02 10:28:39,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 10:28:39,471 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 150 [2023-04-02 10:28:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:28:39,507 INFO L225 Difference]: With dead ends: 13891 [2023-04-02 10:28:39,507 INFO L226 Difference]: Without dead ends: 9763 [2023-04-02 10:28:39,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2023-04-02 10:28:39,519 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 10441 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 13905 mSolverCounterSat, 5903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10735 SdHoareTripleChecker+Valid, 2106 SdHoareTripleChecker+Invalid, 19808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5903 IncrementalHoareTripleChecker+Valid, 13905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2023-04-02 10:28:39,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10735 Valid, 2106 Invalid, 19808 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5903 Valid, 13905 Invalid, 0 Unknown, 0 Unchecked, 29.4s Time] [2023-04-02 10:28:39,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9763 states. [2023-04-02 10:28:41,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9763 to 8342. [2023-04-02 10:28:41,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8342 states, 5584 states have (on average 1.320916905444126) internal successors, (7376), 5751 states have internal predecessors, (7376), 1947 states have call successors, (1947), 770 states have call predecessors, (1947), 810 states have return successors, (2138), 1929 states have call predecessors, (2138), 1945 states have call successors, (2138) [2023-04-02 10:28:41,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8342 states to 8342 states and 11461 transitions. [2023-04-02 10:28:41,769 INFO L78 Accepts]: Start accepts. Automaton has 8342 states and 11461 transitions. Word has length 150 [2023-04-02 10:28:41,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:28:41,769 INFO L495 AbstractCegarLoop]: Abstraction has 8342 states and 11461 transitions. [2023-04-02 10:28:41,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-02 10:28:41,770 INFO L276 IsEmpty]: Start isEmpty. Operand 8342 states and 11461 transitions. [2023-04-02 10:28:41,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-02 10:28:41,773 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:28:41,773 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:28:41,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 10:28:41,773 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:28:41,773 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:28:41,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1381523025, now seen corresponding path program 1 times [2023-04-02 10:28:41,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:28:41,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955848340] [2023-04-02 10:28:41,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:28:41,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:28:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:28:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:28:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:28:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:28:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:28:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:28:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:28:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:28:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:28:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:28:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:28:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:28:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:28:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:28:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 10:28:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 10:28:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 10:28:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:28:42,424 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 10:28:42,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:28:42,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955848340] [2023-04-02 10:28:42,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955848340] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:28:42,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:28:42,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:28:42,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732513104] [2023-04-02 10:28:42,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:28:42,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:28:42,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:28:42,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:28:42,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:28:42,426 INFO L87 Difference]: Start difference. First operand 8342 states and 11461 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-02 10:29:11,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:29:20,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:29:20,162 INFO L93 Difference]: Finished difference Result 27783 states and 39109 transitions. [2023-04-02 10:29:20,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 10:29:20,162 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 151 [2023-04-02 10:29:20,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:29:20,223 INFO L225 Difference]: With dead ends: 27783 [2023-04-02 10:29:20,224 INFO L226 Difference]: Without dead ends: 19476 [2023-04-02 10:29:20,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2023-04-02 10:29:20,244 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 13943 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 13016 mSolverCounterSat, 8058 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14235 SdHoareTripleChecker+Valid, 2088 SdHoareTripleChecker+Invalid, 21074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8058 IncrementalHoareTripleChecker+Valid, 13016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2023-04-02 10:29:20,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14235 Valid, 2088 Invalid, 21074 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8058 Valid, 13016 Invalid, 0 Unknown, 0 Unchecked, 29.9s Time] [2023-04-02 10:29:20,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19476 states. [2023-04-02 10:29:25,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19476 to 16653. [2023-04-02 10:29:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16653 states, 11155 states have (on average 1.320663379650381) internal successors, (14732), 11487 states have internal predecessors, (14732), 3880 states have call successors, (3880), 1535 states have call predecessors, (3880), 1617 states have return successors, (4375), 3847 states have call predecessors, (4375), 3878 states have call successors, (4375) [2023-04-02 10:29:25,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16653 states to 16653 states and 22987 transitions. [2023-04-02 10:29:25,202 INFO L78 Accepts]: Start accepts. Automaton has 16653 states and 22987 transitions. Word has length 151 [2023-04-02 10:29:25,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:29:25,203 INFO L495 AbstractCegarLoop]: Abstraction has 16653 states and 22987 transitions. [2023-04-02 10:29:25,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-02 10:29:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand 16653 states and 22987 transitions. [2023-04-02 10:29:25,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-02 10:29:25,206 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:29:25,206 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:29:25,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 10:29:25,207 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:29:25,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:29:25,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1052597580, now seen corresponding path program 1 times [2023-04-02 10:29:25,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:29:25,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098451165] [2023-04-02 10:29:25,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:29:25,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:29:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:29:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:29:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:29:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:29:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:29:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:29:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:29:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:29:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:29:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:29:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:29:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:29:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:29:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:29:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 10:29:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 10:29:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 10:29:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:29:25,841 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 10:29:25,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:29:25,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098451165] [2023-04-02 10:29:25,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098451165] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:29:25,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:29:25,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:29:25,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544073878] [2023-04-02 10:29:25,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:29:25,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:29:25,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:29:25,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:29:25,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:29:25,843 INFO L87 Difference]: Start difference. First operand 16653 states and 22987 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-02 10:30:03,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:30:07,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:30:07,898 INFO L93 Difference]: Finished difference Result 54776 states and 77119 transitions. [2023-04-02 10:30:07,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 10:30:07,898 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 152 [2023-04-02 10:30:07,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:30:08,034 INFO L225 Difference]: With dead ends: 54776 [2023-04-02 10:30:08,034 INFO L226 Difference]: Without dead ends: 38158 [2023-04-02 10:30:08,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2023-04-02 10:30:08,084 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 15983 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 11884 mSolverCounterSat, 9540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16277 SdHoareTripleChecker+Valid, 1833 SdHoareTripleChecker+Invalid, 21424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9540 IncrementalHoareTripleChecker+Valid, 11884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2023-04-02 10:30:08,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16277 Valid, 1833 Invalid, 21424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9540 Valid, 11884 Invalid, 0 Unknown, 0 Unchecked, 28.2s Time] [2023-04-02 10:30:08,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38158 states. [2023-04-02 10:30:17,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38158 to 32854. [2023-04-02 10:30:17,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32854 states, 22004 states have (on average 1.3188965642610435) internal successors, (29021), 22651 states have internal predecessors, (29021), 7645 states have call successors, (7645), 3038 states have call predecessors, (7645), 3204 states have return successors, (8690), 7587 states have call predecessors, (8690), 7643 states have call successors, (8690) [2023-04-02 10:30:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32854 states to 32854 states and 45356 transitions. [2023-04-02 10:30:17,676 INFO L78 Accepts]: Start accepts. Automaton has 32854 states and 45356 transitions. Word has length 152 [2023-04-02 10:30:17,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:30:17,677 INFO L495 AbstractCegarLoop]: Abstraction has 32854 states and 45356 transitions. [2023-04-02 10:30:17,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (26), 9 states have call predecessors, (26), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-02 10:30:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 32854 states and 45356 transitions. [2023-04-02 10:30:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-04-02 10:30:17,681 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:30:17,681 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2023-04-02 10:30:17,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 10:30:17,682 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:30:17,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:30:17,682 INFO L85 PathProgramCache]: Analyzing trace with hash 685550001, now seen corresponding path program 1 times [2023-04-02 10:30:17,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:30:17,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232330017] [2023-04-02 10:30:17,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:30:17,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:30:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:30:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:30:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:30:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:30:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:30:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:30:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:30:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:30:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 10:30:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:30:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 10:30:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 10:30:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:30:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-04-02 10:30:18,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:30:18,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232330017] [2023-04-02 10:30:18,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232330017] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:30:18,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803045632] [2023-04-02 10:30:18,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:30:18,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:30:18,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:30:18,663 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 10:30:18,664 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 10:30:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:19,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 2883 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 10:30:19,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:30:19,416 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-02 10:30:19,416 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:30:19,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803045632] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:30:19,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:30:19,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2023-04-02 10:30:19,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537449148] [2023-04-02 10:30:19,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:30:19,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 10:30:19,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:30:19,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 10:30:19,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:30:19,418 INFO L87 Difference]: Start difference. First operand 32854 states and 45356 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-04-02 10:30:28,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:30:28,893 INFO L93 Difference]: Finished difference Result 32873 states and 45390 transitions. [2023-04-02 10:30:28,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 10:30:28,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 165 [2023-04-02 10:30:28,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:30:29,062 INFO L225 Difference]: With dead ends: 32873 [2023-04-02 10:30:29,062 INFO L226 Difference]: Without dead ends: 32870 [2023-04-02 10:30:29,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:30:29,075 INFO L413 NwaCegarLoop]: 2767 mSDtfsCounter, 0 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5529 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:30:29,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5529 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:30:29,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32870 states. [2023-04-02 10:30:38,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32870 to 32870. [2023-04-02 10:30:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32870 states, 22020 states have (on average 1.3186648501362397) internal successors, (29037), 22667 states have internal predecessors, (29037), 7645 states have call successors, (7645), 3038 states have call predecessors, (7645), 3204 states have return successors, (8690), 7587 states have call predecessors, (8690), 7643 states have call successors, (8690) [2023-04-02 10:30:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32870 states to 32870 states and 45372 transitions. [2023-04-02 10:30:38,465 INFO L78 Accepts]: Start accepts. Automaton has 32870 states and 45372 transitions. Word has length 165 [2023-04-02 10:30:38,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:30:38,466 INFO L495 AbstractCegarLoop]: Abstraction has 32870 states and 45372 transitions. [2023-04-02 10:30:38,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-04-02 10:30:38,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32870 states and 45372 transitions. [2023-04-02 10:30:38,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-04-02 10:30:38,470 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:30:38,470 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2023-04-02 10:30:38,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 10:30:38,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-02 10:30:38,682 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:30:38,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:30:38,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1184368790, now seen corresponding path program 1 times [2023-04-02 10:30:38,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:30:38,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408348771] [2023-04-02 10:30:38,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:30:38,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:30:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:30:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:30:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:30:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:30:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:30:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:30:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:30:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:30:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:30:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:30:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 10:30:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:30:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 10:30:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 10:30:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:30:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-04-02 10:30:39,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:30:39,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408348771] [2023-04-02 10:30:39,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408348771] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:30:39,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692626287] [2023-04-02 10:30:39,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:30:39,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:30:39,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:30:39,576 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 10:30:39,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 10:30:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:30:40,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 2888 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-02 10:30:40,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:30:40,371 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 10:30:40,371 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:30:40,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692626287] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:30:40,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:30:40,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2023-04-02 10:30:40,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327152277] [2023-04-02 10:30:40,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:30:40,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 10:30:40,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:30:40,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 10:30:40,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-04-02 10:30:40,373 INFO L87 Difference]: Start difference. First operand 32870 states and 45372 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-02 10:30:54,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:30:54,695 INFO L93 Difference]: Finished difference Result 82062 states and 113478 transitions. [2023-04-02 10:30:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:30:54,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) Word has length 167 [2023-04-02 10:30:54,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:30:54,849 INFO L225 Difference]: With dead ends: 82062 [2023-04-02 10:30:54,850 INFO L226 Difference]: Without dead ends: 49227 [2023-04-02 10:30:54,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2023-04-02 10:30:54,917 INFO L413 NwaCegarLoop]: 3936 mSDtfsCounter, 2788 mSDsluCounter, 18468 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2792 SdHoareTripleChecker+Valid, 22404 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 10:30:54,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2792 Valid, 22404 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 10:30:54,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49227 states. [2023-04-02 10:31:08,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49227 to 49065. [2023-04-02 10:31:08,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49065 states, 32868 states have (on average 1.318242667640258) internal successors, (43328), 33845 states have internal predecessors, (43328), 11402 states have call successors, (11402), 4537 states have call predecessors, (11402), 4794 states have return successors, (13218), 11311 states have call predecessors, (13218), 11400 states have call successors, (13218) [2023-04-02 10:31:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49065 states to 49065 states and 67948 transitions. [2023-04-02 10:31:09,125 INFO L78 Accepts]: Start accepts. Automaton has 49065 states and 67948 transitions. Word has length 167 [2023-04-02 10:31:09,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:31:09,126 INFO L495 AbstractCegarLoop]: Abstraction has 49065 states and 67948 transitions. [2023-04-02 10:31:09,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-02 10:31:09,126 INFO L276 IsEmpty]: Start isEmpty. Operand 49065 states and 67948 transitions. [2023-04-02 10:31:09,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-04-02 10:31:09,133 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:31:09,133 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:31:09,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 10:31:09,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-02 10:31:09,343 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:31:09,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:31:09,343 INFO L85 PathProgramCache]: Analyzing trace with hash -397340148, now seen corresponding path program 1 times [2023-04-02 10:31:09,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:31:09,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288272922] [2023-04-02 10:31:09,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:31:09,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:31:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:31:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:31:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:31:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:31:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:31:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:31:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 10:31:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:10,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 10:31:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:10,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 10:31:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:10,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:31:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:10,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 10:31:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:10,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 10:31:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:10,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 10:31:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 10:31:10,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:31:10,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288272922] [2023-04-02 10:31:10,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288272922] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:31:10,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643096019] [2023-04-02 10:31:10,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:31:10,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:31:10,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:31:10,193 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 10:31:10,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 10:31:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:10,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 2890 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-02 10:31:10,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:31:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 10:31:10,967 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:31:10,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643096019] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:31:10,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:31:10,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2023-04-02 10:31:10,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671025669] [2023-04-02 10:31:10,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:31:10,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 10:31:10,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:31:10,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 10:31:10,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-04-02 10:31:10,969 INFO L87 Difference]: Start difference. First operand 49065 states and 67948 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17)