/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 07:47:28,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 07:47:28,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 07:47:28,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 07:47:28,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 07:47:28,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 07:47:28,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 07:47:28,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 07:47:28,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 07:47:28,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 07:47:28,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 07:47:28,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 07:47:28,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 07:47:28,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 07:47:28,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 07:47:28,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 07:47:28,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 07:47:28,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 07:47:28,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 07:47:28,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 07:47:28,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 07:47:28,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 07:47:28,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 07:47:28,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 07:47:28,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 07:47:28,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 07:47:28,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 07:47:28,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 07:47:28,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 07:47:28,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 07:47:28,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 07:47:28,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 07:47:28,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 07:47:28,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 07:47:28,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 07:47:28,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 07:47:28,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 07:47:28,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 07:47:28,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 07:47:28,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 07:47:28,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 07:47:28,230 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 07:47:28,251 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 07:47:28,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 07:47:28,252 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 07:47:28,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 07:47:28,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 07:47:28,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 07:47:28,253 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 07:47:28,253 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 07:47:28,253 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 07:47:28,253 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 07:47:28,254 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 07:47:28,254 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 07:47:28,254 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 07:47:28,254 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 07:47:28,254 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 07:47:28,254 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 07:47:28,254 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 07:47:28,254 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 07:47:28,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 07:47:28,255 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 07:47:28,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 07:47:28,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 07:47:28,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 07:47:28,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 07:47:28,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 07:47:28,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 07:47:28,255 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 07:47:28,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 07:47:28,255 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 07:47:28,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 07:47:28,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 07:47:28,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 07:47:28,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:47:28,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 07:47:28,256 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 07:47:28,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 07:47:28,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 07:47:28,256 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 07:47:28,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 07:47:28,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 07:47:28,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 07:47:28,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 07:47:28,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 07:47:28,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 07:47:28,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 07:47:28,473 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 07:47:28,473 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 07:47:28,474 INFO L432 ainManager$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 [2023-04-01 07:47:29,525 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 07:47:29,942 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 07:47:29,942 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 [2023-04-01 07:47:29,976 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07c7aa2da/cc0a1ace1b844ac081005c082826ad10/FLAG55f8620d8 [2023-04-01 07:47:30,111 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07c7aa2da/cc0a1ace1b844ac081005c082826ad10 [2023-04-01 07:47:30,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 07:47:30,115 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 07:47:30,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 07:47:30,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 07:47:30,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 07:47:30,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:47:30" (1/1) ... [2023-04-01 07:47:30,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c77488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:30, skipping insertion in model container [2023-04-01 07:47:30,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:47:30" (1/1) ... [2023-04-01 07:47:30,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 07:47:30,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 07:47:31,087 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] [2023-04-01 07:47:31,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:47:31,159 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 07:47:31,369 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] [2023-04-01 07:47:31,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:47:31,471 INFO L208 MainTranslator]: Completed translation [2023-04-01 07:47:31,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:31 WrapperNode [2023-04-01 07:47:31,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 07:47:31,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 07:47:31,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 07:47:31,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 07:47:31,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:31" (1/1) ... [2023-04-01 07:47:31,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:31" (1/1) ... [2023-04-01 07:47:31,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:31" (1/1) ... [2023-04-01 07:47:31,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:31" (1/1) ... [2023-04-01 07:47:31,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:31" (1/1) ... [2023-04-01 07:47:31,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:31" (1/1) ... [2023-04-01 07:47:31,647 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:31" (1/1) ... [2023-04-01 07:47:31,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:31" (1/1) ... [2023-04-01 07:47:31,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 07:47:31,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 07:47:31,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 07:47:31,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 07:47:31,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:31" (1/1) ... [2023-04-01 07:47:31,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:47:31,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:47:31,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 07:47:31,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 07:47:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 07:47:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 07:47:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 07:47:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-01 07:47:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-04-01 07:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure outsl [2023-04-01 07:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure insl [2023-04-01 07:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-01 07:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-01 07:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-01 07:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-01 07:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-01 07:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-01 07:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-01 07:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-01 07:47:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-01 07:47:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-04-01 07:47:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_probe [2023-04-01 07:47:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_detach [2023-04-01 07:47:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_config [2023-04-01 07:47:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_release [2023-04-01 07:47:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_suspend [2023-04-01 07:47:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_resume [2023-04-01 07:47:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_wait_for_completion [2023-04-01 07:47:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-04-01 07:47:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_set_xcvr [2023-04-01 07:47:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_status [2023-04-01 07:47:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_reset [2023-04-01 07:47:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_drvinfo [2023-04-01 07:47:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_config [2023-04-01 07:47:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_open [2023-04-01 07:47:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_tx_timeout [2023-04-01 07:47:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pop_tx_status [2023-04-01 07:47:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_start_xmit [2023-04-01 07:47:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_interrupt [2023-04-01 07:47:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure media_check [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_get_stats [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_rx [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_close [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_driver_init [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_driver_exit [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pcmcia_driver_2 [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-04-01 07:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 07:47:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-01 07:47:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-01 07:47:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 07:47:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2023-04-01 07:47:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2023-04-01 07:47:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2023-04-01 07:47:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2023-04-01 07:47:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2023-04-01 07:47:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2023-04-01 07:47:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2023-04-01 07:47:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2023-04-01 07:47:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2023-04-01 07:47:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_37 [2023-04-01 07:47:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2023-04-01 07:47:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_39 [2023-04-01 07:47:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_40 [2023-04-01 07:47:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_41 [2023-04-01 07:47:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 07:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 07:47:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-01 07:47:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-01 07:47:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 07:47:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-01 07:47:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-01 07:47:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-01 07:47:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-01 07:47:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 07:47:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-01 07:47:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-01 07:47:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-01 07:47:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-01 07:47:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-01 07:47:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 07:47:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 07:47:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2023-04-01 07:47:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2023-04-01 07:47:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-01 07:47:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-01 07:47:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_present [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_tuple [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_register_driver [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2023-04-01 07:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_irq [2023-04-01 07:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_unregister_driver [2023-04-01 07:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-01 07:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-01 07:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-01 07:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-04-01 07:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-04-01 07:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-01 07:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 07:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 07:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 07:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 07:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 07:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 07:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 07:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 07:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 07:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 07:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-01 07:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-01 07:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-01 07:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 07:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-01 07:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-01 07:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-04-01 07:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-01 07:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-01 07:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 07:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 07:47:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 07:47:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-01 07:47:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-01 07:47:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 07:47:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_40 [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_41 [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure outsl [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure insl [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pcmcia_driver_2 [2023-04-01 07:47:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-01 07:47:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-01 07:47:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-01 07:47:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-01 07:47:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_39 [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_37 [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-01 07:47:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_register_driver [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_unregister_driver [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_tuple [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_present [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_irq [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_config [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_release [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_reset [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure media_check [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure el3_config [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure el3_open [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure el3_start_xmit [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure el3_interrupt [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure el3_get_stats [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure el3_rx [2023-04-01 07:47:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure el3_close [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure el3_tx_timeout [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_detach [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_probe [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_suspend [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_resume [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_wait_for_completion [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_set_xcvr [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure dump_status [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_drvinfo [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure pop_tx_status [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_driver_init [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_driver_exit [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 07:47:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 07:47:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 07:47:32,307 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 07:47:32,310 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 07:47:32,554 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 07:47:36,399 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 07:47:37,176 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 07:47:37,177 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 07:47:37,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:47:37 BoogieIcfgContainer [2023-04-01 07:47:37,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 07:47:37,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 07:47:37,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 07:47:37,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 07:47:37,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 07:47:30" (1/3) ... [2023-04-01 07:47:37,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f36180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:47:37, skipping insertion in model container [2023-04-01 07:47:37,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:47:31" (2/3) ... [2023-04-01 07:47:37,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f36180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:47:37, skipping insertion in model container [2023-04-01 07:47:37,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:47:37" (3/3) ... [2023-04-01 07:47:37,186 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 [2023-04-01 07:47:37,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 07:47:37,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 07:47:37,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 07:47:37,269 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@603e9a59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 07:47:37,269 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 07:47:37,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 1102 states, 596 states have (on average 1.2969798657718121) internal successors, (773), 659 states have internal predecessors, (773), 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) [2023-04-01 07:47:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-01 07:47:37,300 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:47:37,301 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:47:37,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:47:37,305 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:47:37,306 INFO L85 PathProgramCache]: Analyzing trace with hash 227793118, now seen corresponding path program 1 times [2023-04-01 07:47:37,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:47:37,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161681246] [2023-04-01 07:47:37,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:47:37,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:47:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:47:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-04-01 07:47:38,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:47:38,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161681246] [2023-04-01 07:47:38,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161681246] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:47:38,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:47:38,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 07:47:38,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138950893] [2023-04-01 07:47:38,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:47:38,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 07:47:38,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:47:38,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 07:47:38,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-04-01 07:47:38,795 INFO L87 Difference]: Start difference. First operand has 1102 states, 596 states have (on average 1.2969798657718121) internal successors, (773), 659 states have internal predecessors, (773), 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 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 07:47:40,835 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 [] [2023-04-01 07:47:42,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:47:46,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:47:46,336 INFO L93 Difference]: Finished difference Result 4175 states and 5759 transitions. [2023-04-01 07:47:46,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 07:47:46,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (43), 3 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 206 [2023-04-01 07:47:46,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:47:46,365 INFO L225 Difference]: With dead ends: 4175 [2023-04-01 07:47:46,365 INFO L226 Difference]: Without dead ends: 3066 [2023-04-01 07:47:46,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-04-01 07:47:46,377 INFO L413 NwaCegarLoop]: 1278 mSDtfsCounter, 3850 mSDsluCounter, 3426 mSDsCounter, 0 mSdLazyCounter, 2298 mSolverCounterSat, 829 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3883 SdHoareTripleChecker+Valid, 4704 SdHoareTripleChecker+Invalid, 3128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 829 IncrementalHoareTripleChecker+Valid, 2298 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-04-01 07:47:46,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3883 Valid, 4704 Invalid, 3128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [829 Valid, 2298 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2023-04-01 07:47:46,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2023-04-01 07:47:46,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 3051. [2023-04-01 07:47:46,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3051 states, 1682 states have (on average 1.2919143876337693) internal successors, (2173), 1841 states have internal predecessors, (2173), 999 states have call successors, (999), 371 states have call predecessors, (999), 369 states have return successors, (1006), 960 states have call predecessors, (1006), 997 states have call successors, (1006) [2023-04-01 07:47:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 4178 transitions. [2023-04-01 07:47:46,558 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 4178 transitions. Word has length 206 [2023-04-01 07:47:46,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:47:46,559 INFO L495 AbstractCegarLoop]: Abstraction has 3051 states and 4178 transitions. [2023-04-01 07:47:46,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 07:47:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 4178 transitions. [2023-04-01 07:47:46,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-04-01 07:47:46,566 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:47:46,566 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:47:46,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 07:47:46,566 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:47:46,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:47:46,567 INFO L85 PathProgramCache]: Analyzing trace with hash -239312815, now seen corresponding path program 1 times [2023-04-01 07:47:46,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:47:46,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150379371] [2023-04-01 07:47:46,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:47:46,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:47:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:47:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-04-01 07:47:47,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:47:47,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150379371] [2023-04-01 07:47:47,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150379371] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:47:47,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:47:47,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 07:47:47,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671638534] [2023-04-01 07:47:47,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:47:47,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 07:47:47,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:47:47,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 07:47:47,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-04-01 07:47:47,284 INFO L87 Difference]: Start difference. First operand 3051 states and 4178 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 07:47:49,317 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 [] [2023-04-01 07:47:51,322 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 [] [2023-04-01 07:47:55,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:47:55,314 INFO L93 Difference]: Finished difference Result 12112 states and 16639 transitions. [2023-04-01 07:47:55,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 07:47:55,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (43), 3 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 207 [2023-04-01 07:47:55,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:47:55,358 INFO L225 Difference]: With dead ends: 12112 [2023-04-01 07:47:55,358 INFO L226 Difference]: Without dead ends: 9092 [2023-04-01 07:47:55,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-04-01 07:47:55,373 INFO L413 NwaCegarLoop]: 1233 mSDtfsCounter, 5185 mSDsluCounter, 2163 mSDsCounter, 0 mSdLazyCounter, 2030 mSolverCounterSat, 2146 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5216 SdHoareTripleChecker+Valid, 3396 SdHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2146 IncrementalHoareTripleChecker+Valid, 2030 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-04-01 07:47:55,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5216 Valid, 3396 Invalid, 4178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2146 Valid, 2030 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2023-04-01 07:47:55,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9092 states. [2023-04-01 07:47:55,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9092 to 9071. [2023-04-01 07:47:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9071 states, 5012 states have (on average 1.2922984836392657) internal successors, (6477), 5479 states have internal predecessors, (6477), 2963 states have call successors, (2963), 1097 states have call predecessors, (2963), 1095 states have return successors, (3023), 2856 states have call predecessors, (3023), 2961 states have call successors, (3023) [2023-04-01 07:47:55,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9071 states to 9071 states and 12463 transitions. [2023-04-01 07:47:55,807 INFO L78 Accepts]: Start accepts. Automaton has 9071 states and 12463 transitions. Word has length 207 [2023-04-01 07:47:55,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:47:55,808 INFO L495 AbstractCegarLoop]: Abstraction has 9071 states and 12463 transitions. [2023-04-01 07:47:55,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 07:47:55,808 INFO L276 IsEmpty]: Start isEmpty. Operand 9071 states and 12463 transitions. [2023-04-01 07:47:55,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-04-01 07:47:55,815 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:47:55,815 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:47:55,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 07:47:55,815 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:47:55,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:47:55,816 INFO L85 PathProgramCache]: Analyzing trace with hash 115825782, now seen corresponding path program 1 times [2023-04-01 07:47:55,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:47:55,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305046516] [2023-04-01 07:47:55,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:47:55,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:47:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:47:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-04-01 07:47:56,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:47:56,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305046516] [2023-04-01 07:47:56,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305046516] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:47:56,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:47:56,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 07:47:56,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511239579] [2023-04-01 07:47:56,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:47:56,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 07:47:56,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:47:56,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 07:47:56,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-04-01 07:47:56,491 INFO L87 Difference]: Start difference. First operand 9071 states and 12463 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 07:47:58,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:48:00,516 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 [] [2023-04-01 07:48:04,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:48:04,570 INFO L93 Difference]: Finished difference Result 36198 states and 49839 transitions. [2023-04-01 07:48:04,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 07:48:04,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (43), 3 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 208 [2023-04-01 07:48:04,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:48:04,700 INFO L225 Difference]: With dead ends: 36198 [2023-04-01 07:48:04,700 INFO L226 Difference]: Without dead ends: 27158 [2023-04-01 07:48:04,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-04-01 07:48:04,745 INFO L413 NwaCegarLoop]: 1233 mSDtfsCounter, 3030 mSDsluCounter, 4511 mSDsCounter, 0 mSdLazyCounter, 2445 mSolverCounterSat, 118 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3061 SdHoareTripleChecker+Valid, 5744 SdHoareTripleChecker+Invalid, 2565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2445 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-04-01 07:48:04,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3061 Valid, 5744 Invalid, 2565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2445 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2023-04-01 07:48:04,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27158 states. [2023-04-01 07:48:05,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27158 to 27119. [2023-04-01 07:48:05,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27119 states, 15002 states have (on average 1.2916277829622718) internal successors, (19377), 16381 states have internal predecessors, (19377), 8843 states have call successors, (8843), 3275 states have call predecessors, (8843), 3273 states have return successors, (9116), 8544 states have call predecessors, (9116), 8841 states have call successors, (9116) [2023-04-01 07:48:05,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27119 states to 27119 states and 37336 transitions. [2023-04-01 07:48:05,978 INFO L78 Accepts]: Start accepts. Automaton has 27119 states and 37336 transitions. Word has length 208 [2023-04-01 07:48:05,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:48:05,980 INFO L495 AbstractCegarLoop]: Abstraction has 27119 states and 37336 transitions. [2023-04-01 07:48:05,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 07:48:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 27119 states and 37336 transitions. [2023-04-01 07:48:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-04-01 07:48:05,988 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:48:05,988 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:48:05,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 07:48:05,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:48:05,989 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:48:05,990 INFO L85 PathProgramCache]: Analyzing trace with hash 190741033, now seen corresponding path program 1 times [2023-04-01 07:48:05,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:48:05,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197988173] [2023-04-01 07:48:05,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:48:05,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:48:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:48:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-04-01 07:48:06,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:48:06,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197988173] [2023-04-01 07:48:06,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197988173] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:48:06,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:48:06,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 07:48:06,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108315524] [2023-04-01 07:48:06,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:48:06,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 07:48:06,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:48:06,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 07:48:06,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-04-01 07:48:06,784 INFO L87 Difference]: Start difference. First operand 27119 states and 37336 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 07:48:08,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:48:10,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:48:15,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:48:15,818 INFO L93 Difference]: Finished difference Result 103896 states and 143167 transitions. [2023-04-01 07:48:15,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 07:48:15,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (43), 3 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 209 [2023-04-01 07:48:15,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:48:16,309 INFO L225 Difference]: With dead ends: 103896 [2023-04-01 07:48:16,309 INFO L226 Difference]: Without dead ends: 76808 [2023-04-01 07:48:16,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-04-01 07:48:16,398 INFO L413 NwaCegarLoop]: 1233 mSDtfsCounter, 4453 mSDsluCounter, 2165 mSDsCounter, 0 mSdLazyCounter, 2032 mSolverCounterSat, 1466 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4484 SdHoareTripleChecker+Valid, 3398 SdHoareTripleChecker+Invalid, 3499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1466 IncrementalHoareTripleChecker+Valid, 2032 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-01 07:48:16,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4484 Valid, 3398 Invalid, 3499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1466 Valid, 2032 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2023-04-01 07:48:16,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76808 states. [2023-04-01 07:48:20,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76808 to 76661. [2023-04-01 07:48:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76661 states, 42518 states have (on average 1.2906768897878547) internal successors, (54877), 46165 states have internal predecessors, (54877), 24831 states have call successors, (24831), 9345 states have call predecessors, (24831), 9311 states have return successors, (25849), 24056 states have call predecessors, (25849), 24829 states have call successors, (25849) [2023-04-01 07:48:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76661 states to 76661 states and 105557 transitions. [2023-04-01 07:48:20,454 INFO L78 Accepts]: Start accepts. Automaton has 76661 states and 105557 transitions. Word has length 209 [2023-04-01 07:48:20,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:48:20,455 INFO L495 AbstractCegarLoop]: Abstraction has 76661 states and 105557 transitions. [2023-04-01 07:48:20,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 07:48:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 76661 states and 105557 transitions. [2023-04-01 07:48:20,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2023-04-01 07:48:20,550 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:48:20,550 INFO L195 NwaCegarLoop]: trace histogram [20, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:48:20,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 07:48:20,551 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:48:20,551 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:48:20,551 INFO L85 PathProgramCache]: Analyzing trace with hash 187131244, now seen corresponding path program 1 times [2023-04-01 07:48:20,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:48:20,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657004853] [2023-04-01 07:48:20,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:48:20,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:48:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:48:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2023-04-01 07:48:21,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:48:21,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657004853] [2023-04-01 07:48:21,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657004853] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:48:21,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:48:21,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:48:21,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064023154] [2023-04-01 07:48:21,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:48:21,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:48:21,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:48:21,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:48:21,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:48:21,085 INFO L87 Difference]: Start difference. First operand 76661 states and 105557 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2023-04-01 07:48:23,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []