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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:00:00,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:00:00,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:00:00,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:00:00,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:00:00,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:00:00,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:00:00,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:00:00,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:00:00,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:00:00,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:00:00,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:00:00,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:00:00,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:00:00,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:00:00,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:00:00,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:00:00,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:00:00,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:00:00,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:00:00,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:00:00,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:00:00,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:00:00,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:00:00,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:00:00,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:00:00,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:00:00,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:00:00,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:00:00,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:00:00,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:00:00,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:00:00,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:00:00,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:00:00,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:00:00,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:00:00,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:00:00,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:00:00,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:00:00,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:00:00,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:00:00,679 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 [2019-10-13 21:00:00,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:00:00,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:00:00,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:00:00,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:00:00,700 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:00:00,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:00:00,701 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:00:00,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:00:00,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:00:00,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:00:00,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:00:00,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:00:00,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:00:00,702 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:00:00,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:00:00,702 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:00:00,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:00:00,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:00:00,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:00:00,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:00:00,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:00:00,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:00:00,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:00:00,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:00:00,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:00:00,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:00:00,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:00:00,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:00:00,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:00:00,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:00:01,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:00:01,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:00:01,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:00:01,019 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:00:01,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-13 21:00:01,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce1f85e4/d4cc7d64ad9b491aba45c70529675ffc/FLAGf3271955e [2019-10-13 21:00:01,938 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:00:01,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-13 21:00:02,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce1f85e4/d4cc7d64ad9b491aba45c70529675ffc/FLAGf3271955e [2019-10-13 21:00:02,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce1f85e4/d4cc7d64ad9b491aba45c70529675ffc [2019-10-13 21:00:02,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:00:02,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:00:02,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:00:02,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:00:02,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:00:02,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:00:02" (1/1) ... [2019-10-13 21:00:02,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7833b359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:02, skipping insertion in model container [2019-10-13 21:00:02,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:00:02" (1/1) ... [2019-10-13 21:00:02,461 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:00:02,593 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:00:04,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:00:04,591 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:00:04,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:00:05,186 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:00:05,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:05 WrapperNode [2019-10-13 21:00:05,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:00:05,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:00:05,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:00:05,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:00:05,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:05" (1/1) ... [2019-10-13 21:00:05,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:05" (1/1) ... [2019-10-13 21:00:05,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:05" (1/1) ... [2019-10-13 21:00:05,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:05" (1/1) ... [2019-10-13 21:00:05,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:05" (1/1) ... [2019-10-13 21:00:05,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:05" (1/1) ... [2019-10-13 21:00:05,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:05" (1/1) ... [2019-10-13 21:00:05,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:00:05,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:00:05,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:00:05,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:00:05,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:05" (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 [2019-10-13 21:00:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:00:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:00:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-13 21:00:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 21:00:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 21:00:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 21:00:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 21:00:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 21:00:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 21:00:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 21:00:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 21:00:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 21:00:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 21:00:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 21:00:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 21:00:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-13 21:00:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-13 21:00:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 21:00:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-13 21:00:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-13 21:00:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 21:00:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-13 21:00:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-13 21:00:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 21:00:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 21:00:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 21:00:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 21:00:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 21:00:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 21:00:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 21:00:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2019-10-13 21:00:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2019-10-13 21:00:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode0 [2019-10-13 21:00:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode2 [2019-10-13 21:00:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode4 [2019-10-13 21:00:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode6 [2019-10-13 21:00:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2019-10-13 21:00:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2019-10-13 21:00:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2019-10-13 21:00:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2019-10-13 21:00:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2019-10-13 21:00:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_init [2019-10-13 21:00:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2019-10-13 21:00:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure get_node_ID [2019-10-13 21:00:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2019-10-13 21:00:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure net_open [2019-10-13 21:00:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2019-10-13 21:00:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2019-10-13 21:00:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure write_packet [2019-10-13 21:00:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2019-10-13 21:00:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_send_packet [2019-10-13 21:00:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_interrupt [2019-10-13 21:00:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_timed_checker [2019-10-13 21:00:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2019-10-13 21:00:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2019-10-13 21:00:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure net_close [2019-10-13 21:00:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2019-10-13 21:00:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_init_module [2019-10-13 21:00:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_cleanup_module [2019-10-13 21:00:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-13 21:00:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-13 21:00:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-13 21:00:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-13 21:00:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 21:00:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 21:00:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 21:00:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 21:00:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2019-10-13 21:00:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 21:00:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:00:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 21:00:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 21:00:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 21:00:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-13 21:00:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-13 21:00:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-13 21:00:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-13 21:00:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-13 21:00:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-13 21:00:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-13 21:00:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-13 21:00:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-13 21:00:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-13 21:00:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-10-13 21:00:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-13 21:00:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2019-10-13 21:00:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_40 [2019-10-13 21:00:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2019-10-13 21:00:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2019-10-13 21:00:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2019-10-13 21:00:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 21:00:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 21:00:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 21:00:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 21:00:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 21:00:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 21:00:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 21:00:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 21:00:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 21:00:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 21:00:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 21:00:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 21:00:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 21:00:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 21:00:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 21:00:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-13 21:00:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-13 21:00:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 21:00:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 21:00:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-13 21:00:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-13 21:00:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-13 21:00:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-13 21:00:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 21:00:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 21:00:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 21:00:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 21:00:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2019-10-13 21:00:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2019-10-13 21:00:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 21:00:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-13 21:00:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 21:00:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 21:00:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-13 21:00:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 21:00:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 21:00:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 21:00:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 21:00:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 21:00:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 21:00:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 21:00:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:00:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 21:00:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 21:00:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 21:00:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 21:00:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 21:00:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 21:00:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:00:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 21:00:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 21:00:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:00:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 21:00:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 21:00:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 21:00:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 21:00:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:00:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 21:00:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 21:00:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 21:00:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 21:00:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 21:00:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 21:00:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 21:00:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 21:00:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 21:00:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 21:00:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 21:00:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 21:00:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 21:00:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 21:00:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-13 21:00:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 21:00:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-13 21:00:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 21:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 21:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 21:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-13 21:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 21:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_40 [2019-10-13 21:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-13 21:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-13 21:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-13 21:00:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 21:00:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-13 21:00:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-13 21:00:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-13 21:00:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-13 21:00:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 21:00:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 21:00:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 21:00:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 21:00:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2019-10-13 21:00:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 21:00:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 21:00:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 21:00:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2019-10-13 21:00:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 21:00:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2019-10-13 21:00:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 21:00:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-13 21:00:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-13 21:00:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-13 21:00:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-13 21:00:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-13 21:00:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-13 21:00:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 21:00:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-13 21:00:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:00:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:00:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:00:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:00:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-13 21:00:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-13 21:00:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-13 21:00:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-13 21:00:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 21:00:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 21:00:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 21:00:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-13 21:00:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2019-10-13 21:00:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 21:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 21:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 21:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 21:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 21:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 21:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-13 21:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-13 21:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-10-13 21:00:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 21:00:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2019-10-13 21:00:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-13 21:00:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-13 21:00:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-13 21:00:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-13 21:00:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-13 21:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2019-10-13 21:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2019-10-13 21:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode0 [2019-10-13 21:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode2 [2019-10-13 21:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode4 [2019-10-13 21:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode6 [2019-10-13 21:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2019-10-13 21:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2019-10-13 21:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2019-10-13 21:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2019-10-13 21:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2019-10-13 21:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure atp_timed_checker [2019-10-13 21:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2019-10-13 21:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure get_node_ID [2019-10-13 21:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2019-10-13 21:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure net_open [2019-10-13 21:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2019-10-13 21:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure write_packet [2019-10-13 21:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2019-10-13 21:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure atp_send_packet [2019-10-13 21:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure atp_interrupt [2019-10-13 21:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2019-10-13 21:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2019-10-13 21:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure net_close [2019-10-13 21:00:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2019-10-13 21:00:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2019-10-13 21:00:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure atp_init [2019-10-13 21:00:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:00:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:00:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure atp_init_module [2019-10-13 21:00:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure atp_cleanup_module [2019-10-13 21:00:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2019-10-13 21:00:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 21:00:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 21:00:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2019-10-13 21:00:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-13 21:00:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:00:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 21:00:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 21:00:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 21:00:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 21:00:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 21:00:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 21:00:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 21:00:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 21:00:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 21:00:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 21:00:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 21:00:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:00:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 21:00:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:00:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:00:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 21:00:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:00:06,878 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 21:00:08,530 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:00:08,530 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 21:00:08,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:00:08 BoogieIcfgContainer [2019-10-13 21:00:08,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:00:08,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:00:08,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:00:08,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:00:08,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:00:02" (1/3) ... [2019-10-13 21:00:08,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1481475d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:00:08, skipping insertion in model container [2019-10-13 21:00:08,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:05" (2/3) ... [2019-10-13 21:00:08,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1481475d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:00:08, skipping insertion in model container [2019-10-13 21:00:08,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:00:08" (3/3) ... [2019-10-13 21:00:08,541 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2019-10-13 21:00:08,552 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:00:08,565 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:00:08,577 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:00:08,617 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:00:08,617 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:00:08,617 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:00:08,618 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:00:08,618 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:00:08,618 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:00:08,618 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:00:08,618 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:00:08,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states. [2019-10-13 21:00:08,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-10-13 21:00:08,713 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:00:08,715 INFO L380 BasicCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:00:08,718 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:00:08,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:00:08,725 INFO L82 PathProgramCache]: Analyzing trace with hash -966382659, now seen corresponding path program 1 times [2019-10-13 21:00:08,734 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:00:08,735 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628803801] [2019-10-13 21:00:08,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:08,736 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:08,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:00:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:00:09,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2019-10-13 21:00:09,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628803801] [2019-10-13 21:00:09,812 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:00:09,812 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:00:09,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974919369] [2019-10-13 21:00:09,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:00:09,824 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:00:09,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:00:09,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:00:09,842 INFO L87 Difference]: Start difference. First operand 1017 states. Second operand 5 states. [2019-10-13 21:00:10,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:00:10,336 INFO L93 Difference]: Finished difference Result 2849 states and 3866 transitions. [2019-10-13 21:00:10,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:00:10,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 311 [2019-10-13 21:00:10,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:00:10,369 INFO L225 Difference]: With dead ends: 2849 [2019-10-13 21:00:10,369 INFO L226 Difference]: Without dead ends: 1832 [2019-10-13 21:00:10,382 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:00:10,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2019-10-13 21:00:10,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1819. [2019-10-13 21:00:10,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1819 states. [2019-10-13 21:00:10,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2454 transitions. [2019-10-13 21:00:10,675 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2454 transitions. Word has length 311 [2019-10-13 21:00:10,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:00:10,676 INFO L462 AbstractCegarLoop]: Abstraction has 1819 states and 2454 transitions. [2019-10-13 21:00:10,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:00:10,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2454 transitions. [2019-10-13 21:00:10,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-10-13 21:00:10,691 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:00:10,691 INFO L380 BasicCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:00:10,692 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:00:10,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:00:10,692 INFO L82 PathProgramCache]: Analyzing trace with hash 2129013875, now seen corresponding path program 1 times [2019-10-13 21:00:10,693 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:00:10,693 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122416278] [2019-10-13 21:00:10,693 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:10,693 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:10,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:00:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:00:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2019-10-13 21:00:11,073 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122416278] [2019-10-13 21:00:11,074 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:00:11,074 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:00:11,074 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000098065] [2019-10-13 21:00:11,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:00:11,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:00:11,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:00:11,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:00:11,079 INFO L87 Difference]: Start difference. First operand 1819 states and 2454 transitions. Second operand 5 states. [2019-10-13 21:00:11,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:00:11,372 INFO L93 Difference]: Finished difference Result 5429 states and 7356 transitions. [2019-10-13 21:00:11,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:00:11,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 312 [2019-10-13 21:00:11,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:00:11,421 INFO L225 Difference]: With dead ends: 5429 [2019-10-13 21:00:11,422 INFO L226 Difference]: Without dead ends: 3634 [2019-10-13 21:00:11,437 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:00:11,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3634 states. [2019-10-13 21:00:11,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3634 to 3613. [2019-10-13 21:00:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3613 states. [2019-10-13 21:00:11,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3613 states to 3613 states and 4883 transitions. [2019-10-13 21:00:11,694 INFO L78 Accepts]: Start accepts. Automaton has 3613 states and 4883 transitions. Word has length 312 [2019-10-13 21:00:11,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:00:11,695 INFO L462 AbstractCegarLoop]: Abstraction has 3613 states and 4883 transitions. [2019-10-13 21:00:11,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:00:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4883 transitions. [2019-10-13 21:00:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-10-13 21:00:11,712 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:00:11,713 INFO L380 BasicCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:00:11,713 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:00:11,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:00:11,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1322207718, now seen corresponding path program 1 times [2019-10-13 21:00:11,714 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:00:11,714 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078113627] [2019-10-13 21:00:11,714 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:11,714 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:11,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:00:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:00:12,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2019-10-13 21:00:12,031 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078113627] [2019-10-13 21:00:12,032 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:00:12,032 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:00:12,032 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993443856] [2019-10-13 21:00:12,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:00:12,033 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:00:12,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:00:12,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:00:12,034 INFO L87 Difference]: Start difference. First operand 3613 states and 4883 transitions. Second operand 5 states. [2019-10-13 21:00:12,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:00:12,442 INFO L93 Difference]: Finished difference Result 10834 states and 14687 transitions. [2019-10-13 21:00:12,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:00:12,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 313 [2019-10-13 21:00:12,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:00:12,515 INFO L225 Difference]: With dead ends: 10834 [2019-10-13 21:00:12,515 INFO L226 Difference]: Without dead ends: 7245 [2019-10-13 21:00:12,542 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:00:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7245 states. [2019-10-13 21:00:13,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7245 to 7206. [2019-10-13 21:00:13,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7206 states. [2019-10-13 21:00:13,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7206 states to 7206 states and 9749 transitions. [2019-10-13 21:00:13,062 INFO L78 Accepts]: Start accepts. Automaton has 7206 states and 9749 transitions. Word has length 313 [2019-10-13 21:00:13,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:00:13,063 INFO L462 AbstractCegarLoop]: Abstraction has 7206 states and 9749 transitions. [2019-10-13 21:00:13,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:00:13,063 INFO L276 IsEmpty]: Start isEmpty. Operand 7206 states and 9749 transitions. [2019-10-13 21:00:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2019-10-13 21:00:13,084 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:00:13,084 INFO L380 BasicCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:00:13,085 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:00:13,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:00:13,085 INFO L82 PathProgramCache]: Analyzing trace with hash -69807538, now seen corresponding path program 1 times [2019-10-13 21:00:13,086 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:00:13,086 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634840660] [2019-10-13 21:00:13,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:13,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:13,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:00:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:00:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2446 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2446 trivial. 0 not checked. [2019-10-13 21:00:13,431 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634840660] [2019-10-13 21:00:13,432 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:00:13,432 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:00:13,432 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236081580] [2019-10-13 21:00:13,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:00:13,435 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:00:13,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:00:13,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:00:13,436 INFO L87 Difference]: Start difference. First operand 7206 states and 9749 transitions. Second operand 5 states. [2019-10-13 21:00:14,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:00:14,186 INFO L93 Difference]: Finished difference Result 21433 states and 29045 transitions. [2019-10-13 21:00:14,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:00:14,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 348 [2019-10-13 21:00:14,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:00:14,311 INFO L225 Difference]: With dead ends: 21433 [2019-10-13 21:00:14,311 INFO L226 Difference]: Without dead ends: 14251 [2019-10-13 21:00:14,354 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:00:14,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14251 states. [2019-10-13 21:00:15,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14251 to 14179. [2019-10-13 21:00:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14179 states. [2019-10-13 21:00:15,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14179 states to 14179 states and 19175 transitions. [2019-10-13 21:00:15,854 INFO L78 Accepts]: Start accepts. Automaton has 14179 states and 19175 transitions. Word has length 348 [2019-10-13 21:00:15,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:00:15,855 INFO L462 AbstractCegarLoop]: Abstraction has 14179 states and 19175 transitions. [2019-10-13 21:00:15,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:00:15,855 INFO L276 IsEmpty]: Start isEmpty. Operand 14179 states and 19175 transitions. [2019-10-13 21:00:15,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2019-10-13 21:00:15,878 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:00:15,879 INFO L380 BasicCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:00:15,879 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:00:15,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:00:15,880 INFO L82 PathProgramCache]: Analyzing trace with hash -318431938, now seen corresponding path program 1 times [2019-10-13 21:00:15,880 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:00:15,880 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781179664] [2019-10-13 21:00:15,880 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:15,881 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:15,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:00:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:00:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2019-10-13 21:00:16,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781179664] [2019-10-13 21:00:16,213 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040013608] [2019-10-13 21:00:16,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:00:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:00:17,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 2468 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 21:00:17,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:00:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 1009 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2019-10-13 21:00:17,250 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:00:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1699 trivial. 0 not checked. [2019-10-13 21:00:17,618 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 21:00:17,618 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2019-10-13 21:00:17,618 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106306252] [2019-10-13 21:00:17,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:00:17,620 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:00:17,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:00:17,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:00:17,620 INFO L87 Difference]: Start difference. First operand 14179 states and 19175 transitions. Second operand 3 states. [2019-10-13 21:00:18,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:00:18,702 INFO L93 Difference]: Finished difference Result 42489 states and 58001 transitions. [2019-10-13 21:00:18,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:00:18,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 326 [2019-10-13 21:00:18,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:00:18,946 INFO L225 Difference]: With dead ends: 42489 [2019-10-13 21:00:18,946 INFO L226 Difference]: Without dead ends: 28334 [2019-10-13 21:00:19,046 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:00:19,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28334 states. [2019-10-13 21:00:20,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28334 to 28331. [2019-10-13 21:00:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28331 states. [2019-10-13 21:00:20,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28331 states to 28331 states and 38592 transitions. [2019-10-13 21:00:20,812 INFO L78 Accepts]: Start accepts. Automaton has 28331 states and 38592 transitions. Word has length 326 [2019-10-13 21:00:20,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:00:20,814 INFO L462 AbstractCegarLoop]: Abstraction has 28331 states and 38592 transitions. [2019-10-13 21:00:20,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:00:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 28331 states and 38592 transitions. [2019-10-13 21:00:20,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-10-13 21:00:20,835 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:00:20,835 INFO L380 BasicCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:00:21,052 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:00:21,053 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:00:21,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:00:21,054 INFO L82 PathProgramCache]: Analyzing trace with hash 561805148, now seen corresponding path program 1 times [2019-10-13 21:00:21,054 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:00:21,054 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349388385] [2019-10-13 21:00:21,054 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:21,055 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:21,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:00:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:00:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2455 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2450 trivial. 0 not checked. [2019-10-13 21:00:21,369 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349388385] [2019-10-13 21:00:21,369 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019783086] [2019-10-13 21:00:21,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:00:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:00:22,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 2573 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:00:22,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:00:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2446 trivial. 0 not checked. [2019-10-13 21:00:23,103 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:00:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2446 trivial. 0 not checked. [2019-10-13 21:00:23,582 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 21:00:23,582 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [9] total 14 [2019-10-13 21:00:23,582 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810851288] [2019-10-13 21:00:23,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:00:23,584 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:00:23,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:00:23,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-13 21:00:23,584 INFO L87 Difference]: Start difference. First operand 28331 states and 38592 transitions. Second operand 7 states. [2019-10-13 21:00:25,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:00:25,208 INFO L93 Difference]: Finished difference Result 70941 states and 96758 transitions. [2019-10-13 21:00:25,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 21:00:25,209 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 360 [2019-10-13 21:00:25,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:00:25,477 INFO L225 Difference]: With dead ends: 70941 [2019-10-13 21:00:25,477 INFO L226 Difference]: Without dead ends: 42634 [2019-10-13 21:00:25,618 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 714 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2019-10-13 21:00:25,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42634 states. [2019-10-13 21:00:27,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42634 to 42381. [2019-10-13 21:00:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42381 states. [2019-10-13 21:00:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42381 states to 42381 states and 57867 transitions. [2019-10-13 21:00:27,789 INFO L78 Accepts]: Start accepts. Automaton has 42381 states and 57867 transitions. Word has length 360 [2019-10-13 21:00:27,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:00:27,790 INFO L462 AbstractCegarLoop]: Abstraction has 42381 states and 57867 transitions. [2019-10-13 21:00:27,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:00:27,790 INFO L276 IsEmpty]: Start isEmpty. Operand 42381 states and 57867 transitions. [2019-10-13 21:00:27,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-10-13 21:00:27,823 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:00:27,824 INFO L380 BasicCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 21:00:28,033 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:00:28,033 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:00:28,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:00:28,034 INFO L82 PathProgramCache]: Analyzing trace with hash -926716829, now seen corresponding path program 1 times [2019-10-13 21:00:28,035 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:00:28,035 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83800636] [2019-10-13 21:00:28,036 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:28,036 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:00:28,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:00:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:00:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1698 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2019-10-13 21:00:28,347 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83800636] [2019-10-13 21:00:28,348 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423115054] [2019-10-13 21:00:28,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:00:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:00:30,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 2470 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:00:30,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:00:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1698 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2019-10-13 21:00:30,544 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:00:31,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1698 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2019-10-13 21:00:31,005 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 21:00:31,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-13 21:00:31,006 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009330663] [2019-10-13 21:00:31,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:00:31,008 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:00:31,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:00:31,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-13 21:00:31,009 INFO L87 Difference]: Start difference. First operand 42381 states and 57867 transitions. Second operand 7 states.