/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 20:02:49,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 20:02:49,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 20:02:49,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 20:02:49,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 20:02:49,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 20:02:49,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 20:02:49,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 20:02:49,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 20:02:49,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 20:02:49,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 20:02:49,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 20:02:49,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 20:02:49,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 20:02:49,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 20:02:49,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 20:02:49,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 20:02:49,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 20:02:49,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 20:02:49,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 20:02:49,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 20:02:49,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 20:02:49,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 20:02:49,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 20:02:49,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 20:02:49,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 20:02:49,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 20:02:49,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 20:02:49,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 20:02:49,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 20:02:49,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 20:02:49,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 20:02:49,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 20:02:49,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 20:02:49,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 20:02:49,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 20:02:49,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 20:02:49,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 20:02:49,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 20:02:49,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 20:02:49,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 20:02:49,356 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 20:02:49,386 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 20:02:49,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 20:02:49,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 20:02:49,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 20:02:49,391 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 20:02:49,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 20:02:49,391 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 20:02:49,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 20:02:49,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 20:02:49,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 20:02:49,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 20:02:49,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 20:02:49,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 20:02:49,394 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 20:02:49,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 20:02:49,395 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 20:02:49,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 20:02:49,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 20:02:49,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 20:02:49,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 20:02:49,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 20:02:49,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 20:02:49,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 20:02:49,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 20:02:49,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 20:02:49,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 20:02:49,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 20:02:49,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 20:02:49,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 20:02:49,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 20:02:49,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 20:02:49,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 20:02:49,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 20:02:49,710 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 20:02:49,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2019-11-06 20:02:49,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e04575b4/3e4349fa4b44495a9ed1e011d230dcdf/FLAGef98e92c7 [2019-11-06 20:02:50,630 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 20:02:50,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2019-11-06 20:02:50,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e04575b4/3e4349fa4b44495a9ed1e011d230dcdf/FLAGef98e92c7 [2019-11-06 20:02:51,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e04575b4/3e4349fa4b44495a9ed1e011d230dcdf [2019-11-06 20:02:51,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 20:02:51,171 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 20:02:51,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 20:02:51,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 20:02:51,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 20:02:51,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:02:51" (1/1) ... [2019-11-06 20:02:51,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387a9646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:02:51, skipping insertion in model container [2019-11-06 20:02:51,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:02:51" (1/1) ... [2019-11-06 20:02:51,187 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 20:02:51,313 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 20:02:52,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:02:52,842 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 20:02:53,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:02:53,432 INFO L192 MainTranslator]: Completed translation [2019-11-06 20:02:53,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:02:53 WrapperNode [2019-11-06 20:02:53,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 20:02:53,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 20:02:53,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 20:02:53,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 20:02:53,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:02:53" (1/1) ... [2019-11-06 20:02:53,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:02:53" (1/1) ... [2019-11-06 20:02:53,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:02:53" (1/1) ... [2019-11-06 20:02:53,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:02:53" (1/1) ... [2019-11-06 20:02:53,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:02:53" (1/1) ... [2019-11-06 20:02:53,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:02:53" (1/1) ... [2019-11-06 20:02:53,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:02:53" (1/1) ... [2019-11-06 20:02:53,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 20:02:53,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 20:02:53,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 20:02:53,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 20:02:53,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:02:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 20:02:53,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 20:02:53,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 20:02:53,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-11-06 20:02:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-11-06 20:02:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-11-06 20:02:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-11-06 20:02:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-06 20:02:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-06 20:02:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-11-06 20:02:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-06 20:02:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-11-06 20:02:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-11-06 20:02:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-11-06 20:02:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-11-06 20:02:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-11-06 20:02:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 20:02:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-11-06 20:02:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2019-11-06 20:02:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2019-11-06 20:02:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-11-06 20:02:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-06 20:02:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-06 20:02:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 20:02:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 20:02:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2019-11-06 20:02:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-11-06 20:02:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-11-06 20:02:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-11-06 20:02:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-11-06 20:02:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-11-06 20:02:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-11-06 20:02:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-11-06 20:02:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-11-06 20:02:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-11-06 20:02:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-11-06 20:02:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 20:02:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 20:02:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 20:02:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 20:02:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 20:02:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 20:02:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 20:02:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 20:02:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 20:02:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2019-11-06 20:02:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-11-06 20:02:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-11-06 20:02:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-11-06 20:02:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-11-06 20:02:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-11-06 20:02:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-11-06 20:02:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-11-06 20:02:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-11-06 20:02:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-11-06 20:02:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-11-06 20:02:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-11-06 20:02:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-11-06 20:02:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_phy_mode [2019-11-06 20:02:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_mac_address [2019-11-06 20:02:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start [2019-11-06 20:02:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_open [2019-11-06 20:02:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_close [2019-11-06 20:02:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start_xmit [2019-11-06 20:02:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_rx [2019-11-06 20:02:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_interrupt [2019-11-06 20:02:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_poll_controller [2019-11-06 20:02:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_probe [2019-11-06 20:02:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_remove [2019-11-06 20:02:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_suspend [2019-11-06 20:02:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_resume [2019-11-06 20:02:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_init [2019-11-06 20:02:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_exit [2019-11-06 20:02:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_1 [2019-11-06 20:02:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-11-06 20:02:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 20:02:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-11-06 20:02:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 20:02:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 20:02:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-11-06 20:02:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-11-06 20:02:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-11-06 20:02:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-11-06 20:02:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-11-06 20:02:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2019-11-06 20:02:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-11-06 20:02:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_14 [2019-11-06 20:02:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_15 [2019-11-06 20:02:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_16 [2019-11-06 20:02:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_17 [2019-11-06 20:02:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2019-11-06 20:02:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-11-06 20:02:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-11-06 20:02:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-11-06 20:02:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-11-06 20:02:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-11-06 20:02:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 20:02:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-06 20:02:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-06 20:02:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-06 20:02:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-11-06 20:02:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 20:02:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-11-06 20:02:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-11-06 20:02:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-11-06 20:02:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-11-06 20:02:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-11-06 20:02:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 20:02:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-11-06 20:02:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-11-06 20:02:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-11-06 20:02:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 20:02:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-11-06 20:02:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable [2019-11-06 20:02:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_enable [2019-11-06 20:02:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-11-06 20:02:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-11-06 20:02:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-11-06 20:02:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-11-06 20:02:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2019-11-06 20:02:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap [2019-11-06 20:02:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-11-06 20:02:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-11-06 20:02:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-11-06 20:02:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-11-06 20:02:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-11-06 20:02:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2019-11-06 20:02:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-11-06 20:02:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-11-06 20:02:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-11-06 20:02:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2019-11-06 20:02:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2019-11-06 20:02:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_stats [2019-11-06 20:02:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_ioctl [2019-11-06 20:02:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2019-11-06 20:02:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2019-11-06 20:02:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2019-11-06 20:02:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2019-11-06 20:02:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2019-11-06 20:02:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-11-06 20:02:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-11-06 20:02:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-11-06 20:02:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-11-06 20:02:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-11-06 20:02:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2019-11-06 20:02:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2019-11-06 20:02:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2019-11-06 20:02:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-11-06 20:02:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-11-06 20:02:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-11-06 20:02:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 20:02:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-11-06 20:02:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-06 20:02:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-11-06 20:02:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-11-06 20:02:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-11-06 20:02:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-11-06 20:02:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 20:02:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 20:02:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 20:02:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 20:02:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 20:02:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 20:02:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 20:02:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-06 20:02:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-06 20:02:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-11-06 20:02:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-06 20:02:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 20:02:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 20:02:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 20:02:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-06 20:02:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-06 20:02:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-11-06 20:02:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-11-06 20:02:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 20:02:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 20:02:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-11-06 20:02:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 20:02:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-11-06 20:02:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-11-06 20:02:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-11-06 20:02:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-11-06 20:02:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 20:02:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 20:02:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-11-06 20:02:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-11-06 20:02:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-11-06 20:02:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 20:02:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 20:02:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-11-06 20:02:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2019-11-06 20:02:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2019-11-06 20:02:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-11-06 20:02:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 20:02:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-06 20:02:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-06 20:02:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 20:02:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 20:02:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 20:02:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2019-11-06 20:02:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-11-06 20:02:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-11-06 20:02:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-11-06 20:02:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-11-06 20:02:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-11-06 20:02:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-11-06 20:02:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-11-06 20:02:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-11-06 20:02:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-11-06 20:02:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-11-06 20:02:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-11-06 20:02:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-11-06 20:02:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-11-06 20:02:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-11-06 20:02:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-11-06 20:02:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-11-06 20:02:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 20:02:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-11-06 20:02:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-11-06 20:02:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-11-06 20:02:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-11-06 20:02:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-11-06 20:02:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-11-06 20:02:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-06 20:02:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-11-06 20:02:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 20:02:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2019-11-06 20:02:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-11-06 20:02:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-11-06 20:02:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-11-06 20:02:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 20:02:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 20:02:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 20:02:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 20:02:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 20:02:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 20:02:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 20:02:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 20:02:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 20:02:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 20:02:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 20:02:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 20:02:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 20:02:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 20:02:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 20:02:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 20:02:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_1 [2019-11-06 20:02:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-11-06 20:02:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-11-06 20:02:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2019-11-06 20:02:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-11-06 20:02:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-11-06 20:02:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-11-06 20:02:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_16 [2019-11-06 20:02:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2019-11-06 20:02:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-11-06 20:02:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-11-06 20:02:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-11-06 20:02:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-11-06 20:02:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-11-06 20:02:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-11-06 20:02:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-11-06 20:02:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-11-06 20:02:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-11-06 20:02:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-11-06 20:02:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-11-06 20:02:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-11-06 20:02:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-11-06 20:02:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-11-06 20:02:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2019-11-06 20:02:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-11-06 20:02:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_14 [2019-11-06 20:02:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-11-06 20:02:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_15 [2019-11-06 20:02:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_17 [2019-11-06 20:02:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-11-06 20:02:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-11-06 20:02:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-11-06 20:02:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-11-06 20:02:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-11-06 20:02:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-11-06 20:02:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-11-06 20:02:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-11-06 20:02:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-11-06 20:02:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-11-06 20:02:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2019-11-06 20:02:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-11-06 20:02:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-11-06 20:02:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2019-11-06 20:02:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure clk_enable [2019-11-06 20:02:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable [2019-11-06 20:02:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2019-11-06 20:02:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2019-11-06 20:02:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2019-11-06 20:02:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2019-11-06 20:02:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap [2019-11-06 20:02:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_phy_mode [2019-11-06 20:02:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_mac_address [2019-11-06 20:02:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2019-11-06 20:02:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure macb_ioctl [2019-11-06 20:02:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_stats [2019-11-06 20:02:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2019-11-06 20:02:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2019-11-06 20:02:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2019-11-06 20:02:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start [2019-11-06 20:02:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_open [2019-11-06 20:02:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_close [2019-11-06 20:02:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start_xmit [2019-11-06 20:02:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_rx [2019-11-06 20:02:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 20:02:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_interrupt [2019-11-06 20:02:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_poll_controller [2019-11-06 20:02:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_probe [2019-11-06 20:02:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 20:02:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_remove [2019-11-06 20:02:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_suspend [2019-11-06 20:02:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_resume [2019-11-06 20:02:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_init [2019-11-06 20:02:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_exit [2019-11-06 20:02:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2019-11-06 20:02:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-11-06 20:02:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-11-06 20:02:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 20:02:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 20:02:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 20:02:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 20:02:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-11-06 20:02:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-11-06 20:02:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-11-06 20:02:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-11-06 20:02:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-11-06 20:02:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-06 20:02:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-11-06 20:02:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-11-06 20:02:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-11-06 20:02:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 20:02:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-11-06 20:02:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 20:02:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 20:02:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 20:02:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 20:02:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 20:02:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 20:02:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 20:02:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 20:02:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 20:02:54,890 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 20:02:56,795 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 20:02:56,795 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 20:02:56,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:02:56 BoogieIcfgContainer [2019-11-06 20:02:56,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 20:02:56,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 20:02:56,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 20:02:56,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 20:02:56,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:02:51" (1/3) ... [2019-11-06 20:02:56,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e7d349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:02:56, skipping insertion in model container [2019-11-06 20:02:56,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:02:53" (2/3) ... [2019-11-06 20:02:56,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e7d349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:02:56, skipping insertion in model container [2019-11-06 20:02:56,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:02:56" (3/3) ... [2019-11-06 20:02:56,807 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2019-11-06 20:02:56,816 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 20:02:56,830 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 20:02:56,839 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 20:02:56,875 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 20:02:56,875 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 20:02:56,875 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 20:02:56,876 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 20:02:56,876 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 20:02:56,876 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 20:02:56,876 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 20:02:56,876 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 20:02:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states. [2019-11-06 20:02:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-06 20:02:56,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 20:02:56,938 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 20:02:56,941 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 20:02:56,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 20:02:56,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1697942406, now seen corresponding path program 1 times [2019-11-06 20:02:56,956 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 20:02:56,957 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004154176] [2019-11-06 20:02:56,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 20:02:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:02:57,785 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-06 20:02:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:02:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:02:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:02:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:02:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:02:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:02:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:02:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:02:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:02:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:02:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-06 20:02:58,018 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004154176] [2019-11-06 20:02:58,019 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 20:02:58,020 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 20:02:58,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396049906] [2019-11-06 20:02:58,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 20:02:58,027 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 20:02:58,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 20:02:58,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-06 20:02:58,046 INFO L87 Difference]: Start difference. First operand 1031 states. Second operand 7 states. [2019-11-06 20:02:58,450 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-06 20:02:59,170 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-06 20:03:03,434 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-06 20:03:10,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 20:03:10,482 INFO L93 Difference]: Finished difference Result 2876 states and 3843 transitions. [2019-11-06 20:03:10,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-06 20:03:10,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-11-06 20:03:10,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 20:03:10,521 INFO L225 Difference]: With dead ends: 2876 [2019-11-06 20:03:10,521 INFO L226 Difference]: Without dead ends: 2056 [2019-11-06 20:03:10,536 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2019-11-06 20:03:10,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2019-11-06 20:03:10,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 1514. [2019-11-06 20:03:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1514 states. [2019-11-06 20:03:10,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 1865 transitions. [2019-11-06 20:03:10,920 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 1865 transitions. Word has length 61 [2019-11-06 20:03:10,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 20:03:10,921 INFO L462 AbstractCegarLoop]: Abstraction has 1514 states and 1865 transitions. [2019-11-06 20:03:10,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 20:03:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1865 transitions. [2019-11-06 20:03:10,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-06 20:03:10,928 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 20:03:10,928 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 20:03:10,928 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 20:03:10,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 20:03:10,929 INFO L82 PathProgramCache]: Analyzing trace with hash 376917718, now seen corresponding path program 1 times [2019-11-06 20:03:10,929 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 20:03:10,929 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513183764] [2019-11-06 20:03:10,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 20:03:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:03:11,309 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-06 20:03:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:03:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:03:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:03:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:03:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:03:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:03:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:03:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:03:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:03:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:03:11,526 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-06 20:03:11,526 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513183764] [2019-11-06 20:03:11,527 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 20:03:11,527 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 20:03:11,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410856493] [2019-11-06 20:03:11,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 20:03:11,529 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 20:03:11,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 20:03:11,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-06 20:03:11,530 INFO L87 Difference]: Start difference. First operand 1514 states and 1865 transitions. Second operand 10 states. [2019-11-06 20:03:11,758 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-06 20:03:12,086 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-06 20:03:12,431 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-06 20:03:14,779 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2019-11-06 20:03:15,112 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-06 20:03:15,384 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-06 20:03:19,989 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 164