/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--3com--3c589_cs.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 10:21:49,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 10:21:49,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 10:21:49,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 10:21:49,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 10:21:49,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 10:21:49,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 10:21:49,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 10:21:49,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 10:21:49,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 10:21:49,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 10:21:49,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 10:21:49,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 10:21:49,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 10:21:49,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 10:21:49,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 10:21:49,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 10:21:49,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 10:21:49,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 10:21:49,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 10:21:49,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 10:21:49,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 10:21:49,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 10:21:49,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 10:21:49,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 10:21:49,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 10:21:49,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 10:21:49,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 10:21:49,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 10:21:49,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 10:21:49,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 10:21:49,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 10:21:49,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 10:21:49,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 10:21:49,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 10:21:49,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 10:21:49,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 10:21:49,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 10:21:49,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 10:21:49,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 10:21:49,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 10:21:49,777 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 10:21:49,795 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 10:21:49,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 10:21:49,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 10:21:49,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 10:21:49,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 10:21:49,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 10:21:49,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 10:21:49,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 10:21:49,797 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 10:21:49,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 10:21:49,798 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 10:21:49,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 10:21:49,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 10:21:49,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 10:21:49,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 10:21:49,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 10:21:49,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 10:21:49,799 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 10:21:49,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 10:21:49,799 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 10:21:49,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 10:21:49,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 10:21:49,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 10:21:49,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 10:21:49,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:21:49,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 10:21:49,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 10:21:49,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 10:21:49,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 10:21:49,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 10:21:49,801 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 10:21:49,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 10:21:49,801 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 10:21:49,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 10:21:49,802 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 10:21:49,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 10:21:49,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 10:21:49,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 10:21:49,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 10:21:49,990 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 10:21:49,990 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 10:21:49,991 INFO L432 ainManager$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--3com--3c589_cs.ko-entry_point.cil.out.i [2023-04-02 10:21:51,210 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 10:21:51,675 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 10:21:51,675 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--3com--3c589_cs.ko-entry_point.cil.out.i [2023-04-02 10:21:51,711 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c103285cd/eab4211b2cb54ae0a89597178fd9dc25/FLAGd9af8ab76 [2023-04-02 10:21:51,723 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c103285cd/eab4211b2cb54ae0a89597178fd9dc25 [2023-04-02 10:21:51,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 10:21:51,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 10:21:51,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 10:21:51,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 10:21:51,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 10:21:51,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:21:51" (1/1) ... [2023-04-02 10:21:51,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45673d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:51, skipping insertion in model container [2023-04-02 10:21:51,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:21:51" (1/1) ... [2023-04-02 10:21:51,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 10:21:51,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 10:21:53,060 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--3com--3c589_cs.ko-entry_point.cil.out.i[239406,239419] [2023-04-02 10:21:53,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:21:53,143 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 10:21:53,412 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--3com--3c589_cs.ko-entry_point.cil.out.i[239406,239419] [2023-04-02 10:21:53,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:21:53,528 INFO L208 MainTranslator]: Completed translation [2023-04-02 10:21:53,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:53 WrapperNode [2023-04-02 10:21:53,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 10:21:53,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 10:21:53,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 10:21:53,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 10:21:53,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:53" (1/1) ... [2023-04-02 10:21:53,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:53" (1/1) ... [2023-04-02 10:21:53,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:53" (1/1) ... [2023-04-02 10:21:53,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:53" (1/1) ... [2023-04-02 10:21:53,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:53" (1/1) ... [2023-04-02 10:21:53,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:53" (1/1) ... [2023-04-02 10:21:53,769 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:53" (1/1) ... [2023-04-02 10:21:53,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:53" (1/1) ... [2023-04-02 10:21:53,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 10:21:53,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 10:21:53,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 10:21:53,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 10:21:53,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:53" (1/1) ... [2023-04-02 10:21:53,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:21:53,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:21:53,862 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 10:21:53,897 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 10:21:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 10:21:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 10:21:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 10:21:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-02 10:21:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-02 10:21:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-02 10:21:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-02 10:21:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-04-02 10:21:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-02 10:21:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 10:21:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-02 10:21:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-02 10:21:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:21:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-02 10:21:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-02 10:21:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-04-02 10:21:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-04-02 10:21:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-04-02 10:21:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure outsl [2023-04-02 10:21:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure insl [2023-04-02 10:21:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-02 10:21:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-02 10:21:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-02 10:21:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-02 10:21:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-02 10:21:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-02 10:21:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-02 10:21:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-02 10:21:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-02 10:21:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-04-02 10:21:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_probe [2023-04-02 10:21:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_detach [2023-04-02 10:21:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_config [2023-04-02 10:21:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_release [2023-04-02 10:21:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_suspend [2023-04-02 10:21:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_resume [2023-04-02 10:21:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_wait_for_completion [2023-04-02 10:21:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-04-02 10:21:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_set_xcvr [2023-04-02 10:21:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_status [2023-04-02 10:21:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_reset [2023-04-02 10:21:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_drvinfo [2023-04-02 10:21:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_config [2023-04-02 10:21:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_open [2023-04-02 10:21:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_tx_timeout [2023-04-02 10:21:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pop_tx_status [2023-04-02 10:21:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_start_xmit [2023-04-02 10:21:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_interrupt [2023-04-02 10:21:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure media_check [2023-04-02 10:21:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_get_stats [2023-04-02 10:21:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-04-02 10:21:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_rx [2023-04-02 10:21:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-04-02 10:21:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-04-02 10:21:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_close [2023-04-02 10:21:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_driver_init [2023-04-02 10:21:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_driver_exit [2023-04-02 10:21:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-04-02 10:21:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2023-04-02 10:21:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2023-04-02 10:21:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-04-02 10:21:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pcmcia_driver_2 [2023-04-02 10:21:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2023-04-02 10:21:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-04-02 10:21:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-04-02 10:21:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-04-02 10:21:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 10:21:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-02 10:21:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-02 10:21:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 10:21:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2023-04-02 10:21:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2023-04-02 10:21:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2023-04-02 10:21:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2023-04-02 10:21:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2023-04-02 10:21:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2023-04-02 10:21:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2023-04-02 10:21:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2023-04-02 10:21:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2023-04-02 10:21:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_37 [2023-04-02 10:21:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2023-04-02 10:21:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_39 [2023-04-02 10:21:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_40 [2023-04-02 10:21:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_41 [2023-04-02 10:21:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 10:21:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 10:21:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 10:21:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 10:21:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 10:21:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-02 10:21:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:21:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-02 10:21:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-02 10:21:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-02 10:21:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-02 10:21:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-02 10:21:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-04-02 10:21:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 10:21:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-02 10:21:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-02 10:21:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-02 10:21:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:21:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-02 10:21:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-02 10:21:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-02 10:21:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-02 10:21:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-02 10:21:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-02 10:21:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-02 10:21:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-02 10:21:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-02 10:21:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-02 10:21:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 10:21:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 10:21:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2023-04-02 10:21:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2023-04-02 10:21:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-02 10:21:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-02 10:21:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-04-02 10:21:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-04-02 10:21:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-04-02 10:21:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-04-02 10:21:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-02 10:21:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-02 10:21:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-02 10:21:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_present [2023-04-02 10:21:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2023-04-02 10:21:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2023-04-02 10:21:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_tuple [2023-04-02 10:21:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_register_driver [2023-04-02 10:21:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2023-04-02 10:21:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_irq [2023-04-02 10:21:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_unregister_driver [2023-04-02 10:21:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-02 10:21:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-02 10:21:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-02 10:21:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-04-02 10:21:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-04-02 10:21:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-02 10:21:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 10:21:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 10:21:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 10:21:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 10:21:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 10:21:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 10:21:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 10:21:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 10:21:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 10:21:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 10:21:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-02 10:21:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-02 10:21:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-02 10:21:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 10:21:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-02 10:21:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-02 10:21:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-04-02 10:21:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-02 10:21:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-02 10:21:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-02 10:21:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 10:21:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 10:21:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 10:21:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 10:21:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 10:21:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 10:21:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 10:21:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 10:21:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 10:21:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 10:21:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-02 10:21:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-02 10:21:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 10:21:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_40 [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_41 [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure outsl [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure insl [2023-04-02 10:21:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 10:21:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-02 10:21:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-04-02 10:21:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2023-04-02 10:21:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2023-04-02 10:21:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-04-02 10:21:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pcmcia_driver_2 [2023-04-02 10:21:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2023-04-02 10:21:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-04-02 10:21:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-04-02 10:21:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-04-02 10:21:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-02 10:21:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-02 10:21:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-02 10:21:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2023-04-02 10:21:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2023-04-02 10:21:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2023-04-02 10:21:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2023-04-02 10:21:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2023-04-02 10:21:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2023-04-02 10:21:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-02 10:21:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-02 10:21:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-02 10:21:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-02 10:21:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-02 10:21:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-02 10:21:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-02 10:21:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-02 10:21:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-04-02 10:21:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-02 10:21:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-04-02 10:21:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-02 10:21:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_39 [2023-04-02 10:21:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-02 10:21:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_37 [2023-04-02 10:21:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-04-02 10:21:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-04-02 10:21:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-04-02 10:21:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-02 10:21:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-02 10:21:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-02 10:21:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-02 10:21:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-02 10:21:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_register_driver [2023-04-02 10:21:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_unregister_driver [2023-04-02 10:21:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_tuple [2023-04-02 10:21:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_present [2023-04-02 10:21:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2023-04-02 10:21:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_irq [2023-04-02 10:21:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2023-04-02 10:21:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2023-04-02 10:21:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_config [2023-04-02 10:21:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_release [2023-04-02 10:21:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-04-02 10:21:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_reset [2023-04-02 10:21:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure media_check [2023-04-02 10:21:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure el3_config [2023-04-02 10:21:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure el3_open [2023-04-02 10:21:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure el3_start_xmit [2023-04-02 10:21:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure el3_interrupt [2023-04-02 10:21:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-04-02 10:21:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure el3_get_stats [2023-04-02 10:21:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure el3_rx [2023-04-02 10:21:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure el3_close [2023-04-02 10:21:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure el3_tx_timeout [2023-04-02 10:21:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_detach [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_probe [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_suspend [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_resume [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_wait_for_completion [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_set_xcvr [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure dump_status [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_drvinfo [2023-04-02 10:21:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure pop_tx_status [2023-04-02 10:21:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_driver_init [2023-04-02 10:21:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_driver_exit [2023-04-02 10:21:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2023-04-02 10:21:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 10:21:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2023-04-02 10:21:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 10:21:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 10:21:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 10:21:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 10:21:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 10:21:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 10:21:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 10:21:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-02 10:21:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:21:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-02 10:21:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-02 10:21:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-02 10:21:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 10:21:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 10:21:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 10:21:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 10:21:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 10:21:54,430 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 10:21:54,439 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 10:21:54,640 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 10:21:58,577 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 10:21:58,605 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 10:21:58,606 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 10:21:58,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:21:58 BoogieIcfgContainer [2023-04-02 10:21:58,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 10:21:58,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 10:21:58,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 10:21:58,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 10:21:58,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:21:51" (1/3) ... [2023-04-02 10:21:58,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fb0949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:21:58, skipping insertion in model container [2023-04-02 10:21:58,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:21:53" (2/3) ... [2023-04-02 10:21:58,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fb0949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:21:58, skipping insertion in model container [2023-04-02 10:21:58,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:21:58" (3/3) ... [2023-04-02 10:21:58,619 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2023-04-02 10:21:58,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 10:21:58,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 10:21:58,721 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 10:21:58,726 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;@35489219, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 10:21:58,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 10:21:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 1359 states, 853 states have (on average 1.3599062133645956) internal successors, (1160), 916 states have internal predecessors, (1160), 360 states have call successors, (360), 134 states have call predecessors, (360), 133 states have return successors, (354), 341 states have call predecessors, (354), 354 states have call successors, (354) [2023-04-02 10:21:58,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-04-02 10:21:58,771 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:21:58,772 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:21:58,772 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:21:58,777 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:21:58,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1601571903, now seen corresponding path program 1 times [2023-04-02 10:21:58,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:21:58,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921832359] [2023-04-02 10:21:58,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:21:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:21:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:21:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:21:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:21:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:21:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:21:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:21:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:21:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:21:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:21:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:21:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:21:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:21:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:21:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:21:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:21:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:21:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:21:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 10:21:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:21:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 10:21:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 10:21:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:21:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 10:21:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 10:22:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 10:22:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 10:22:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 10:22:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:22:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 10:22:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:22:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 10:22:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 10:22:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:22:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-04-02 10:22:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-04-02 10:22:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 10:22:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-02 10:22:00,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:22:00,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921832359] [2023-04-02 10:22:00,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921832359] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:22:00,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:22:00,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 10:22:00,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249562211] [2023-04-02 10:22:00,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:22:00,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 10:22:00,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:22:00,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 10:22:00,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-02 10:22:00,260 INFO L87 Difference]: Start difference. First operand has 1359 states, 853 states have (on average 1.3599062133645956) internal successors, (1160), 916 states have internal predecessors, (1160), 360 states have call successors, (360), 134 states have call predecessors, (360), 133 states have return successors, (354), 341 states have call predecessors, (354), 354 states have call successors, (354) Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 2 states have internal predecessors, (112), 2 states have call successors, (43), 8 states have call predecessors, (43), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 10:22:02,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:22:04,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:22:06,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:22:08,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:22:19,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:22:19,018 INFO L93 Difference]: Finished difference Result 2970 states and 4301 transitions. [2023-04-02 10:22:19,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 10:22:19,021 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 2 states have internal predecessors, (112), 2 states have call successors, (43), 8 states have call predecessors, (43), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 261 [2023-04-02 10:22:19,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:22:19,042 INFO L225 Difference]: With dead ends: 2970 [2023-04-02 10:22:19,042 INFO L226 Difference]: Without dead ends: 1625 [2023-04-02 10:22:19,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2023-04-02 10:22:19,057 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 2495 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 4363 mSolverCounterSat, 1615 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2720 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 5981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1615 IncrementalHoareTripleChecker+Valid, 4363 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2023-04-02 10:22:19,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2720 Valid, 1035 Invalid, 5981 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1615 Valid, 4363 Invalid, 3 Unknown, 0 Unchecked, 17.6s Time] [2023-04-02 10:22:19,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2023-04-02 10:22:19,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1287. [2023-04-02 10:22:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1287 states, 816 states have (on average 1.3541666666666667) internal successors, (1105), 871 states have internal predecessors, (1105), 343 states have call successors, (343), 129 states have call predecessors, (343), 127 states have return successors, (341), 328 states have call predecessors, (341), 341 states have call successors, (341) [2023-04-02 10:22:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1789 transitions. [2023-04-02 10:22:19,484 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1789 transitions. Word has length 261 [2023-04-02 10:22:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:22:19,484 INFO L495 AbstractCegarLoop]: Abstraction has 1287 states and 1789 transitions. [2023-04-02 10:22:19,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 2 states have internal predecessors, (112), 2 states have call successors, (43), 8 states have call predecessors, (43), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 10:22:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1789 transitions. [2023-04-02 10:22:19,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-04-02 10:22:19,497 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:22:19,498 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:22:19,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 10:22:19,498 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:22:19,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:22:19,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1514227317, now seen corresponding path program 1 times [2023-04-02 10:22:19,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:22:19,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929632712] [2023-04-02 10:22:19,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:22:19,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:22:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:22:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:22:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:22:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:22:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:22:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:22:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:22:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:22:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:22:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:22:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:22:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:22:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 10:22:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 10:22:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 10:22:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 10:22:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 10:22:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 10:22:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 10:22:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 10:22:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 10:22:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 10:22:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 10:22:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 10:22:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 10:22:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:22:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:22:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-04-02 10:22:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-04-02 10:22:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 10:22:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:22:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-02 10:22:20,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:22:20,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929632712] [2023-04-02 10:22:20,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929632712] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:22:20,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:22:20,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 10:22:20,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447385805] [2023-04-02 10:22:20,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:22:20,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 10:22:20,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:22:20,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 10:22:20,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:22:20,634 INFO L87 Difference]: Start difference. First operand 1287 states and 1789 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (43), 9 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 10:22:22,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:22:24,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:22:26,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:22:28,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:22:30,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:22:59,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:22:59,121 INFO L93 Difference]: Finished difference Result 7602 states and 11029 transitions. [2023-04-02 10:22:59,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-04-02 10:22:59,121 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (43), 9 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 261 [2023-04-02 10:22:59,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:22:59,155 INFO L225 Difference]: With dead ends: 7602 [2023-04-02 10:22:59,155 INFO L226 Difference]: Without dead ends: 6350 [2023-04-02 10:22:59,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=587, Invalid=1765, Unknown=0, NotChecked=0, Total=2352 [2023-04-02 10:22:59,162 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 12973 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 9385 mSolverCounterSat, 7950 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13312 SdHoareTripleChecker+Valid, 2067 SdHoareTripleChecker+Invalid, 17337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7950 IncrementalHoareTripleChecker+Valid, 9385 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2023-04-02 10:22:59,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13312 Valid, 2067 Invalid, 17337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7950 Valid, 9385 Invalid, 2 Unknown, 0 Unchecked, 34.5s Time] [2023-04-02 10:22:59,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6350 states. [2023-04-02 10:23:00,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6350 to 5047. [2023-04-02 10:23:00,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5047 states, 3212 states have (on average 1.3549190535491906) internal successors, (4352), 3430 states have internal predecessors, (4352), 1335 states have call successors, (1335), 494 states have call predecessors, (1335), 499 states have return successors, (1364), 1288 states have call predecessors, (1364), 1333 states have call successors, (1364) [2023-04-02 10:23:00,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5047 states to 5047 states and 7051 transitions. [2023-04-02 10:23:00,277 INFO L78 Accepts]: Start accepts. Automaton has 5047 states and 7051 transitions. Word has length 261 [2023-04-02 10:23:00,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:23:00,278 INFO L495 AbstractCegarLoop]: Abstraction has 5047 states and 7051 transitions. [2023-04-02 10:23:00,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (43), 9 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 10:23:00,279 INFO L276 IsEmpty]: Start isEmpty. Operand 5047 states and 7051 transitions. [2023-04-02 10:23:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-04-02 10:23:00,288 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:23:00,288 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:23:00,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 10:23:00,289 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:23:00,290 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:23:00,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1215269064, now seen corresponding path program 1 times [2023-04-02 10:23:00,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:23:00,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826426769] [2023-04-02 10:23:00,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:23:00,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:23:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:23:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:23:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:23:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:23:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:23:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:23:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 10:23:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 10:23:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 10:23:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 10:23:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 10:23:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 10:23:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:23:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 10:23:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 10:23:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 10:23:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 10:23:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 10:23:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 10:23:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:23:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-04-02 10:23:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-04-02 10:23:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-04-02 10:23:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:01,414 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-02 10:23:01,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:23:01,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826426769] [2023-04-02 10:23:01,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826426769] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:23:01,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:23:01,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 10:23:01,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966412032] [2023-04-02 10:23:01,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:23:01,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 10:23:01,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:23:01,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 10:23:01,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:23:01,419 INFO L87 Difference]: Start difference. First operand 5047 states and 7051 transitions. Second operand has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (43), 9 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 10:23:03,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:23:05,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:23:07,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:23:09,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:23:40,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:23:40,535 INFO L93 Difference]: Finished difference Result 30195 states and 43966 transitions. [2023-04-02 10:23:40,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-04-02 10:23:40,537 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (43), 9 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 262 [2023-04-02 10:23:40,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:23:40,702 INFO L225 Difference]: With dead ends: 30195 [2023-04-02 10:23:40,702 INFO L226 Difference]: Without dead ends: 25183 [2023-04-02 10:23:40,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=587, Invalid=1765, Unknown=0, NotChecked=0, Total=2352 [2023-04-02 10:23:40,741 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 15385 mSDsluCounter, 1771 mSDsCounter, 0 mSdLazyCounter, 10096 mSolverCounterSat, 10251 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15725 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 20349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10251 IncrementalHoareTripleChecker+Valid, 10096 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2023-04-02 10:23:40,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15725 Valid, 1996 Invalid, 20349 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10251 Valid, 10096 Invalid, 2 Unknown, 0 Unchecked, 32.2s Time] [2023-04-02 10:23:40,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25183 states. [2023-04-02 10:23:45,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25183 to 20120. [2023-04-02 10:23:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20120 states, 12820 states have (on average 1.3529641185647425) internal successors, (17345), 13686 states have internal predecessors, (17345), 5302 states have call successors, (5302), 1955 states have call predecessors, (5302), 1997 states have return successors, (5533), 5138 states have call predecessors, (5533), 5300 states have call successors, (5533) [2023-04-02 10:23:45,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20120 states to 20120 states and 28180 transitions. [2023-04-02 10:23:45,289 INFO L78 Accepts]: Start accepts. Automaton has 20120 states and 28180 transitions. Word has length 262 [2023-04-02 10:23:45,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:23:45,290 INFO L495 AbstractCegarLoop]: Abstraction has 20120 states and 28180 transitions. [2023-04-02 10:23:45,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (43), 9 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 10:23:45,290 INFO L276 IsEmpty]: Start isEmpty. Operand 20120 states and 28180 transitions. [2023-04-02 10:23:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-04-02 10:23:45,298 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:23:45,298 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:23:45,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 10:23:45,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:23:45,299 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:23:45,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1734353565, now seen corresponding path program 1 times [2023-04-02 10:23:45,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:23:45,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443106184] [2023-04-02 10:23:45,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:23:45,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:23:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:45,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:23:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:45,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:23:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:23:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:23:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:23:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:23:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:23:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 10:23:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 10:23:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 10:23:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 10:23:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 10:23:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 10:23:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 10:23:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 10:23:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 10:23:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 10:23:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 10:23:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 10:23:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 10:23:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:23:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:23:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 10:23:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-04-02 10:23:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-04-02 10:23:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:23:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-02 10:23:46,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:23:46,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443106184] [2023-04-02 10:23:46,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443106184] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:23:46,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:23:46,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 10:23:46,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582320099] [2023-04-02 10:23:46,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:23:46,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 10:23:46,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:23:46,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 10:23:46,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:23:46,349 INFO L87 Difference]: Start difference. First operand 20120 states and 28180 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (43), 9 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 10:23:48,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:23:50,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:23:52,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:23:54,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:23:56,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:24:41,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:24:41,340 INFO L93 Difference]: Finished difference Result 120564 states and 175961 transitions. [2023-04-02 10:24:41,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-04-02 10:24:41,341 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (43), 9 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 263 [2023-04-02 10:24:41,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:24:42,243 INFO L225 Difference]: With dead ends: 120564 [2023-04-02 10:24:42,243 INFO L226 Difference]: Without dead ends: 100479 [2023-04-02 10:24:42,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=587, Invalid=1765, Unknown=0, NotChecked=0, Total=2352 [2023-04-02 10:24:42,374 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 12289 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 11963 mSolverCounterSat, 7845 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12634 SdHoareTripleChecker+Valid, 3049 SdHoareTripleChecker+Invalid, 19811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7845 IncrementalHoareTripleChecker+Valid, 11963 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2023-04-02 10:24:42,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12634 Valid, 3049 Invalid, 19811 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7845 Valid, 11963 Invalid, 3 Unknown, 0 Unchecked, 35.2s Time] [2023-04-02 10:24:42,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100479 states. [2023-04-02 10:24:59,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100479 to 80504. [2023-04-02 10:24:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80504 states, 51330 states have (on average 1.350691603350867) internal successors, (69331), 54766 states have internal predecessors, (69331), 21152 states have call successors, (21152), 7799 states have call predecessors, (21152), 8021 states have return successors, (22487), 20572 states have call predecessors, (22487), 21150 states have call successors, (22487) [2023-04-02 10:24:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80504 states to 80504 states and 112970 transitions. [2023-04-02 10:24:59,770 INFO L78 Accepts]: Start accepts. Automaton has 80504 states and 112970 transitions. Word has length 263 [2023-04-02 10:24:59,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:24:59,771 INFO L495 AbstractCegarLoop]: Abstraction has 80504 states and 112970 transitions. [2023-04-02 10:24:59,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (43), 9 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 10:24:59,771 INFO L276 IsEmpty]: Start isEmpty. Operand 80504 states and 112970 transitions. [2023-04-02 10:24:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-04-02 10:24:59,779 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:24:59,780 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:24:59,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 10:24:59,780 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:24:59,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:24:59,781 INFO L85 PathProgramCache]: Analyzing trace with hash 348039072, now seen corresponding path program 1 times [2023-04-02 10:24:59,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:24:59,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096599359] [2023-04-02 10:24:59,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:24:59,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:25:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:25:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:25:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:25:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:25:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:25:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:25:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:25:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 10:25:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:25:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:25:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:25:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:25:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 10:25:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 10:25:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 10:25:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 10:25:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 10:25:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 10:25:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 10:25:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 10:25:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 10:25:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 10:25:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 10:25:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-02 10:25:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 10:25:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:25:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:25:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 10:25:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:01,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-04-02 10:25:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:01,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-04-02 10:25:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:25:01,015 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-02 10:25:01,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:25:01,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096599359] [2023-04-02 10:25:01,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096599359] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:25:01,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:25:01,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 10:25:01,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573985280] [2023-04-02 10:25:01,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:25:01,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 10:25:01,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:25:01,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 10:25:01,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:25:01,017 INFO L87 Difference]: Start difference. First operand 80504 states and 112970 transitions. Second operand has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (43), 9 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 10:25:03,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:25:04,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:25:06,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 10:25:08,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []