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--micrel--ks8851.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 16:15:11,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 16:15:11,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 16:15:11,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 16:15:11,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 16:15:11,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 16:15:11,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 16:15:11,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 16:15:11,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 16:15:11,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 16:15:11,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 16:15:11,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 16:15:11,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 16:15:11,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 16:15:11,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 16:15:11,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 16:15:11,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 16:15:11,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 16:15:11,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 16:15:11,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 16:15:11,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 16:15:11,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 16:15:11,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 16:15:11,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 16:15:11,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 16:15:11,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 16:15:11,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 16:15:11,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 16:15:11,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 16:15:11,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 16:15:11,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 16:15:11,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 16:15:11,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 16:15:11,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 16:15:11,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 16:15:11,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 16:15:11,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 16:15:11,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 16:15:11,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 16:15:11,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 16:15:11,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 16:15:11,082 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 [2019-09-08 16:15:11,109 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 16:15:11,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 16:15:11,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 16:15:11,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 16:15:11,112 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 16:15:11,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 16:15:11,113 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 16:15:11,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 16:15:11,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 16:15:11,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 16:15:11,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 16:15:11,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 16:15:11,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 16:15:11,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 16:15:11,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 16:15:11,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 16:15:11,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 16:15:11,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 16:15:11,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 16:15:11,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 16:15:11,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 16:15:11,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 16:15:11,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 16:15:11,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 16:15:11,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 16:15:11,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 16:15:11,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 16:15:11,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 16:15:11,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 16:15:11,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 16:15:11,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 16:15:11,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 16:15:11,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 16:15:11,172 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 16:15:11,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8851.ko-entry_point.cil.out.i [2019-09-08 16:15:11,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/688c02d92/77b6bc65bde341388f4526a36525f3e3/FLAG3627bfa48 [2019-09-08 16:15:12,126 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 16:15:12,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8851.ko-entry_point.cil.out.i [2019-09-08 16:15:12,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/688c02d92/77b6bc65bde341388f4526a36525f3e3/FLAG3627bfa48 [2019-09-08 16:15:12,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/688c02d92/77b6bc65bde341388f4526a36525f3e3 [2019-09-08 16:15:12,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 16:15:12,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 16:15:12,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 16:15:12,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 16:15:12,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 16:15:12,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:15:12" (1/1) ... [2019-09-08 16:15:12,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226f3051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:12, skipping insertion in model container [2019-09-08 16:15:12,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:15:12" (1/1) ... [2019-09-08 16:15:12,588 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 16:15:12,738 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 16:15:15,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:15:15,360 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 16:15:15,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:15:16,249 INFO L192 MainTranslator]: Completed translation [2019-09-08 16:15:16,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:16 WrapperNode [2019-09-08 16:15:16,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 16:15:16,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 16:15:16,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 16:15:16,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 16:15:16,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:16" (1/1) ... [2019-09-08 16:15:16,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:16" (1/1) ... [2019-09-08 16:15:16,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:16" (1/1) ... [2019-09-08 16:15:16,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:16" (1/1) ... [2019-09-08 16:15:16,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:16" (1/1) ... [2019-09-08 16:15:16,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:16" (1/1) ... [2019-09-08 16:15:16,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:16" (1/1) ... [2019-09-08 16:15:16,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 16:15:16,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 16:15:16,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 16:15:16,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 16:15:16,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:16" (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 [2019-09-08 16:15:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 16:15:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 16:15:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 16:15:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 16:15:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-08 16:15:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 16:15:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 16:15:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-08 16:15:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 16:15:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 16:15:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 16:15:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-08 16:15:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-08 16:15:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-08 16:15:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-08 16:15:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 16:15:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 16:15:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-09-08 16:15:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-09-08 16:15:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-09-08 16:15:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-09-08 16:15:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-09-08 16:15:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 16:15:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 16:15:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 16:15:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 16:15:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 16:15:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 16:15:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 16:15:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 16:15:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 16:15:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-08 16:15:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-08 16:15:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-08 16:15:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-08 16:15:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-08 16:15:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-08 16:15:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-08 16:15:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-08 16:15:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-08 16:15:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_msg_init [2019-09-08 16:15:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-09-08 16:15:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-09-08 16:15:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-09-08 16:15:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2019-09-08 16:15:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2019-09-08 16:15:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-09-08 16:15:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2019-09-08 16:15:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2019-09-08 16:15:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2019-09-08 16:15:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2019-09-08 16:15:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2019-09-08 16:15:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2019-09-08 16:15:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2019-09-08 16:15:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2019-09-08 16:15:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_named_gpio_flags [2019-09-08 16:15:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_wrreg16 [2019-09-08 16:15:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_wrreg8 [2019-09-08 16:15:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rx_1msg [2019-09-08 16:15:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg [2019-09-08 16:15:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg8 [2019-09-08 16:15:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg16 [2019-09-08 16:15:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg32 [2019-09-08 16:15:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_soft_reset [2019-09-08 16:15:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_powermode [2019-09-08 16:15:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_write_mac_addr [2019-09-08 16:15:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_read_mac_addr [2019-09-08 16:15:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_init_mac [2019-09-08 16:15:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdfifo [2019-09-08 16:15:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_dbg_dumpkkt [2019-09-08 16:15:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rx_pkts [2019-09-08 16:15:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_irq [2019-09-08 16:15:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_txlen [2019-09-08 16:15:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_wrpkt [2019-09-08 16:15:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_done_tx [2019-09-08 16:15:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_tx_work [2019-09-08 16:15:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_net_open [2019-09-08 16:15:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_net_stop [2019-09-08 16:15:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_start_xmit [2019-09-08 16:15:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rxctrl_work [2019-09-08 16:15:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_rx_mode [2019-09-08 16:15:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_mac_address [2019-09-08 16:15:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_net_ioctl [2019-09-08 16:15:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_get_drvinfo [2019-09-08 16:15:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_get_msglevel [2019-09-08 16:15:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_msglevel [2019-09-08 16:15:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_get_settings [2019-09-08 16:15:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_settings [2019-09-08 16:15:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_get_link [2019-09-08 16:15:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_nway_reset [2019-09-08 16:15:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_eeprom_regread [2019-09-08 16:15:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_eeprom_regwrite [2019-09-08 16:15:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_eeprom_claim [2019-09-08 16:15:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_eeprom_release [2019-09-08 16:15:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_eeprom [2019-09-08 16:15:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_get_eeprom [2019-09-08 16:15:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_get_eeprom_len [2019-09-08 16:15:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_phy_reg [2019-09-08 16:15:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_phy_read [2019-09-08 16:15:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_phy_write [2019-09-08 16:15:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_read_selftest [2019-09-08 16:15:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_suspend [2019-09-08 16:15:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_resume [2019-09-08 16:15:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_probe [2019-09-08 16:15:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_remove [2019-09-08 16:15:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_driver_init [2019-09-08 16:15:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_driver_exit [2019-09-08 16:15:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_6 [2019-09-08 16:15:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-09-08 16:15:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-09-08 16:15:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-09-08 16:15:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-08 16:15:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-08 16:15:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-08 16:15:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-08 16:15:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_3 [2019-09-08 16:15:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_pm_ops_4 [2019-09-08 16:15:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2019-09-08 16:15:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-09-08 16:15:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-08 16:15:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-09-08 16:15:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 16:15:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-08 16:15:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-08 16:15:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-08 16:15:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-08 16:15:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-08 16:15:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-08 16:15:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq_11 [2019-09-08 16:15:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-09-08 16:15:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_13 [2019-09-08 16:15:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2019-09-08 16:15:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_15 [2019-09-08 16:15:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq_16 [2019-09-08 16:15:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2019-09-08 16:15:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_18 [2019-09-08 16:15:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_19 [2019-09-08 16:15:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_20 [2019-09-08 16:15:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_21 [2019-09-08 16:15:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_22 [2019-09-08 16:15:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-08 16:15:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-08 16:15:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-08 16:15:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-08 16:15:16,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-08 16:15:16,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 16:15:16,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 16:15:16,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 16:15:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 16:15:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-08 16:15:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 16:15:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-08 16:15:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-08 16:15:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-08 16:15:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-08 16:15:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-08 16:15:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 16:15:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 16:15:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-08 16:15:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-08 16:15:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-08 16:15:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 16:15:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-08 16:15:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-08 16:15:16,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 16:15:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-08 16:15:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 16:15:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 16:15:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-08 16:15:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-09-08 16:15:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-08 16:15:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 16:15:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request_one [2019-09-08 16:15:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2019-09-08 16:15:16,862 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-09-08 16:15:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2019-09-08 16:15:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2019-09-08 16:15:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_wren [2019-09-08 16:15:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_write [2019-09-08 16:15:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-08 16:15:16,863 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-08 16:15:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-08 16:15:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-09-08 16:15:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-08 16:15:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-08 16:15:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-09-08 16:15:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-09-08 16:15:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_complete_4 [2019-09-08 16:15:16,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_freeze_late_4 [2019-09-08 16:15:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_freeze_noirq_4 [2019-09-08 16:15:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_1 [2019-09-08 16:15:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_2 [2019-09-08 16:15:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_6 [2019-09-08 16:15:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_6 [2019-09-08 16:15:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_poweroff_late_4 [2019-09-08 16:15:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_poweroff_noirq_4 [2019-09-08 16:15:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_prepare_4 [2019-09-08 16:15:16,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_restore_early_4 [2019-09-08 16:15:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_restore_noirq_4 [2019-09-08 16:15:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_4 [2019-09-08 16:15:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_noirq_4 [2019-09-08 16:15:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_4 [2019-09-08 16:15:16,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_noirq_4 [2019-09-08 16:15:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thaw_early_4 [2019-09-08 16:15:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thaw_noirq_4 [2019-09-08 16:15:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-08 16:15:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_link [2019-09-08 16:15:16,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-09-08 16:15:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-09-08 16:15:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2019-09-08 16:15:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-09-08 16:15:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-08 16:15:16,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 16:15:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-08 16:15:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-08 16:15:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-08 16:15:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-09-08 16:15:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-09-08 16:15:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 16:15:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-08 16:15:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-08 16:15:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2019-09-08 16:15:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_enable [2019-09-08 16:15:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-08 16:15:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 16:15:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-09-08 16:15:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2019-09-08 16:15:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2019-09-08 16:15:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-08 16:15:16,875 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-08 16:15:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2019-09-08 16:15:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 16:15:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 16:15:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 16:15:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 16:15:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 16:15:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 16:15:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 16:15:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 16:15:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 16:15:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 16:15:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-08 16:15:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 16:15:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 16:15:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 16:15:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-08 16:15:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 16:15:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 16:15:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 16:15:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 16:15:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-08 16:15:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-08 16:15:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 16:15:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 16:15:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 16:15:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 16:15:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-08 16:15:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-08 16:15:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-08 16:15:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-08 16:15:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-08 16:15:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 16:15:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 16:15:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 16:15:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 16:15:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 16:15:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 16:15:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 16:15:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-08 16:15:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 16:15:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-08 16:15:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-08 16:15:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-09-08 16:15:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-08 16:15:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-08 16:15:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-09-08 16:15:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-08 16:15:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-09-08 16:15:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-08 16:15:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 16:15:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 16:15:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 16:15:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-08 16:15:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-08 16:15:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-08 16:15:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-08 16:15:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-09-08 16:15:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-08 16:15:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-09-08 16:15:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-09-08 16:15:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 16:15:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-09-08 16:15:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 16:15:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 16:15:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-09-08 16:15:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2019-09-08 16:15:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_15 [2019-09-08 16:15:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 16:15:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-08 16:15:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-09-08 16:15:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-09-08 16:15:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-08 16:15:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-08 16:15:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-08 16:15:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 16:15:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 16:15:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 16:15:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-09-08 16:15:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 16:15:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 16:15:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 16:15:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 16:15:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 16:15:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 16:15:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 16:15:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 16:15:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 16:15:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 16:15:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 16:15:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 16:15:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 16:15:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_6 [2019-09-08 16:15:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-09-08 16:15:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-09-08 16:15:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-09-08 16:15:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-08 16:15:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-08 16:15:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-08 16:15:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-08 16:15:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_3 [2019-09-08 16:15:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_pm_ops_4 [2019-09-08 16:15:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2019-09-08 16:15:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-09-08 16:15:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-08 16:15:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-09-08 16:15:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-08 16:15:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq_11 [2019-09-08 16:15:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq_16 [2019-09-08 16:15:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-08 16:15:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_18 [2019-09-08 16:15:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_21 [2019-09-08 16:15:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 16:15:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2019-09-08 16:15:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-08 16:15:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-08 16:15:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-08 16:15:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_19 [2019-09-08 16:15:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_22 [2019-09-08 16:15:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-08 16:15:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-08 16:15:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-08 16:15:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-08 16:15:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-08 16:15:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-08 16:15:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-08 16:15:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-08 16:15:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_13 [2019-09-08 16:15:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-09-08 16:15:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-09-08 16:15:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_msg_init [2019-09-08 16:15:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-08 16:15:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2019-09-08 16:15:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-08 16:15:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_20 [2019-09-08 16:15:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-08 16:15:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-08 16:15:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-08 16:15:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-08 16:15:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-08 16:15:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-08 16:15:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-08 16:15:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-09-08 16:15:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-09-08 16:15:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-09-08 16:15:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2019-09-08 16:15:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2019-09-08 16:15:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-09-08 16:15:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-08 16:15:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2019-09-08 16:15:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-09-08 16:15:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-09-08 16:15:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-09-08 16:15:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_link [2019-09-08 16:15:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-09-08 16:15:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-09-08 16:15:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2019-09-08 16:15:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2019-09-08 16:15:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_wren [2019-09-08 16:15:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_write [2019-09-08 16:15:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2019-09-08 16:15:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_enable [2019-09-08 16:15:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2019-09-08 16:15:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2019-09-08 16:15:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2019-09-08 16:15:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2019-09-08 16:15:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2019-09-08 16:15:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2019-09-08 16:15:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 16:15:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2019-09-08 16:15:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2019-09-08 16:15:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2019-09-08 16:15:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2019-09-08 16:15:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2019-09-08 16:15:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request_one [2019-09-08 16:15:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_named_gpio_flags [2019-09-08 16:15:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_wrreg16 [2019-09-08 16:15:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_wrreg8 [2019-09-08 16:15:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rx_1msg [2019-09-08 16:15:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg [2019-09-08 16:15:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 16:15:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg8 [2019-09-08 16:15:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg16 [2019-09-08 16:15:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg32 [2019-09-08 16:15:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_soft_reset [2019-09-08 16:15:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_powermode [2019-09-08 16:15:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_write_mac_addr [2019-09-08 16:15:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_read_mac_addr [2019-09-08 16:15:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_init_mac [2019-09-08 16:15:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdfifo [2019-09-08 16:15:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_dbg_dumpkkt [2019-09-08 16:15:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rx_pkts [2019-09-08 16:15:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_irq [2019-09-08 16:15:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure calc_txlen [2019-09-08 16:15:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_wrpkt [2019-09-08 16:15:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_done_tx [2019-09-08 16:15:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_tx_work [2019-09-08 16:15:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_net_open [2019-09-08 16:15:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_net_stop [2019-09-08 16:15:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_start_xmit [2019-09-08 16:15:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rxctrl_work [2019-09-08 16:15:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_rx_mode [2019-09-08 16:15:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_mac_address [2019-09-08 16:15:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_net_ioctl [2019-09-08 16:15:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_get_drvinfo [2019-09-08 16:15:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_get_msglevel [2019-09-08 16:15:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_msglevel [2019-09-08 16:15:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_get_settings [2019-09-08 16:15:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_settings [2019-09-08 16:15:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_get_link [2019-09-08 16:15:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_nway_reset [2019-09-08 16:15:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_eeprom_regread [2019-09-08 16:15:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_eeprom_regwrite [2019-09-08 16:15:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_eeprom_claim [2019-09-08 16:15:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_eeprom_release [2019-09-08 16:15:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_eeprom [2019-09-08 16:15:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_get_eeprom [2019-09-08 16:15:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_get_eeprom_len [2019-09-08 16:15:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_phy_reg [2019-09-08 16:15:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_phy_read [2019-09-08 16:15:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_phy_write [2019-09-08 16:15:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_read_selftest [2019-09-08 16:15:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_suspend [2019-09-08 16:15:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_resume [2019-09-08 16:15:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_probe [2019-09-08 16:15:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_remove [2019-09-08 16:15:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_driver_init [2019-09-08 16:15:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_driver_exit [2019-09-08 16:15:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_complete_4 [2019-09-08 16:15:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_6 [2019-09-08 16:15:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_freeze_noirq_4 [2019-09-08 16:15:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_noirq_4 [2019-09-08 16:15:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_restore_noirq_4 [2019-09-08 16:15:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2019-09-08 16:15:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_restore_early_4 [2019-09-08 16:15:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_noirq_4 [2019-09-08 16:15:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 16:15:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_6 [2019-09-08 16:15:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_poweroff_noirq_4 [2019-09-08 16:15:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thaw_noirq_4 [2019-09-08 16:15:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thaw_early_4 [2019-09-08 16:15:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2019-09-08 16:15:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 16:15:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_4 [2019-09-08 16:15:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_prepare_4 [2019-09-08 16:15:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_4 [2019-09-08 16:15:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_freeze_late_4 [2019-09-08 16:15:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_poweroff_late_4 [2019-09-08 16:15:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 16:15:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-08 16:15:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-08 16:15:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-08 16:15:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-08 16:15:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-08 16:15:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 16:15:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 16:15:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-08 16:15:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-08 16:15:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-08 16:15:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 16:15:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 16:15:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-08 16:15:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 16:15:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 16:15:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 16:15:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 16:15:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 16:15:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 16:15:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 16:15:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 16:15:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 16:15:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 16:15:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 16:15:18,412 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 16:16:17,540 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 16:16:17,541 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-08 16:16:17,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:16:17 BoogieIcfgContainer [2019-09-08 16:16:17,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 16:16:17,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 16:16:17,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 16:16:17,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 16:16:17,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 04:15:12" (1/3) ... [2019-09-08 16:16:17,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6778107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:16:17, skipping insertion in model container [2019-09-08 16:16:17,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:16" (2/3) ... [2019-09-08 16:16:17,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6778107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:16:17, skipping insertion in model container [2019-09-08 16:16:17,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:16:17" (3/3) ... [2019-09-08 16:16:17,553 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8851.ko-entry_point.cil.out.i [2019-09-08 16:16:17,567 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 16:16:17,583 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 16:16:17,609 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 16:16:17,668 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 16:16:17,669 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 16:16:17,669 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 16:16:17,670 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 16:16:17,670 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 16:16:17,670 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 16:16:17,670 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 16:16:17,671 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 16:16:17,671 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 16:16:17,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states. [2019-09-08 16:16:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-08 16:16:17,787 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:16:17,788 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:16:17,791 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:16:17,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:16:17,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1462269957, now seen corresponding path program 1 times [2019-09-08 16:16:17,801 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:16:17,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:16:17,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:17,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:16:17,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:16:18,760 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-09-08 16:16:18,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:16:18,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:16:18,767 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:16:18,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:16:18,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:18,783 INFO L87 Difference]: Start difference. First operand 1729 states. Second operand 3 states. [2019-09-08 16:16:21,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:16:21,419 INFO L93 Difference]: Finished difference Result 4717 states and 6215 transitions. [2019-09-08 16:16:21,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:16:21,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-09-08 16:16:21,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:16:21,476 INFO L225 Difference]: With dead ends: 4717 [2019-09-08 16:16:21,476 INFO L226 Difference]: Without dead ends: 3097 [2019-09-08 16:16:21,494 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:21,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2019-09-08 16:16:21,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 3097. [2019-09-08 16:16:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3097 states. [2019-09-08 16:16:21,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 3097 states and 4006 transitions. [2019-09-08 16:16:21,840 INFO L78 Accepts]: Start accepts. Automaton has 3097 states and 4006 transitions. Word has length 77 [2019-09-08 16:16:21,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:16:21,840 INFO L475 AbstractCegarLoop]: Abstraction has 3097 states and 4006 transitions. [2019-09-08 16:16:21,841 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:16:21,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 4006 transitions. [2019-09-08 16:16:21,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 16:16:21,852 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:16:21,852 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:16:21,853 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:16:21,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:16:21,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1974776241, now seen corresponding path program 1 times [2019-09-08 16:16:21,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:16:21,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:16:21,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:21,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:16:21,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:16:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-09-08 16:16:22,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:16:22,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:16:22,343 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:16:22,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:16:22,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:16:22,344 INFO L87 Difference]: Start difference. First operand 3097 states and 4006 transitions. Second operand 6 states. [2019-09-08 16:16:26,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:16:26,788 INFO L93 Difference]: Finished difference Result 9244 states and 12026 transitions. [2019-09-08 16:16:26,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:16:26,789 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2019-09-08 16:16:26,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:16:26,847 INFO L225 Difference]: With dead ends: 9244 [2019-09-08 16:16:26,848 INFO L226 Difference]: Without dead ends: 6152 [2019-09-08 16:16:26,867 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:16:26,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6152 states. [2019-09-08 16:16:27,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6152 to 6152. [2019-09-08 16:16:27,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6152 states. [2019-09-08 16:16:27,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6152 states to 6152 states and 8009 transitions. [2019-09-08 16:16:27,927 INFO L78 Accepts]: Start accepts. Automaton has 6152 states and 8009 transitions. Word has length 81 [2019-09-08 16:16:27,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:16:27,927 INFO L475 AbstractCegarLoop]: Abstraction has 6152 states and 8009 transitions. [2019-09-08 16:16:27,927 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:16:27,928 INFO L276 IsEmpty]: Start isEmpty. Operand 6152 states and 8009 transitions. [2019-09-08 16:16:27,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-09-08 16:16:27,944 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:16:27,945 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:16:27,945 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:16:27,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:16:27,946 INFO L82 PathProgramCache]: Analyzing trace with hash -114903767, now seen corresponding path program 1 times [2019-09-08 16:16:27,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:16:27,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:16:27,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:27,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:16:27,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:16:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-09-08 16:16:28,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:16:28,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:16:28,482 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:16:28,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:16:28,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:28,484 INFO L87 Difference]: Start difference. First operand 6152 states and 8009 transitions. Second operand 3 states. [2019-09-08 16:16:29,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:16:29,193 INFO L93 Difference]: Finished difference Result 17360 states and 22589 transitions. [2019-09-08 16:16:29,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:16:29,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2019-09-08 16:16:29,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:16:29,277 INFO L225 Difference]: With dead ends: 17360 [2019-09-08 16:16:29,278 INFO L226 Difference]: Without dead ends: 11234 [2019-09-08 16:16:29,309 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:29,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11234 states. [2019-09-08 16:16:29,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11234 to 11138. [2019-09-08 16:16:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11138 states. [2019-09-08 16:16:29,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11138 states to 11138 states and 14500 transitions. [2019-09-08 16:16:29,865 INFO L78 Accepts]: Start accepts. Automaton has 11138 states and 14500 transitions. Word has length 289 [2019-09-08 16:16:29,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:16:29,868 INFO L475 AbstractCegarLoop]: Abstraction has 11138 states and 14500 transitions. [2019-09-08 16:16:29,868 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:16:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 11138 states and 14500 transitions. [2019-09-08 16:16:29,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-09-08 16:16:29,896 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:16:29,897 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:16:29,897 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:16:29,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:16:29,898 INFO L82 PathProgramCache]: Analyzing trace with hash -747439459, now seen corresponding path program 1 times [2019-09-08 16:16:29,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:16:29,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:16:29,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:29,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:16:29,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:16:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-09-08 16:16:30,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:16:30,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:16:30,452 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:16:30,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:16:30,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:30,453 INFO L87 Difference]: Start difference. First operand 11138 states and 14500 transitions. Second operand 3 states. [2019-09-08 16:16:31,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:16:31,381 INFO L93 Difference]: Finished difference Result 31416 states and 40700 transitions. [2019-09-08 16:16:31,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:16:31,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 316 [2019-09-08 16:16:31,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:16:31,562 INFO L225 Difference]: With dead ends: 31416 [2019-09-08 16:16:31,563 INFO L226 Difference]: Without dead ends: 20304 [2019-09-08 16:16:31,627 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:31,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20304 states. [2019-09-08 16:16:32,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20304 to 20232. [2019-09-08 16:16:32,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20232 states. [2019-09-08 16:16:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20232 states to 20232 states and 26148 transitions. [2019-09-08 16:16:32,499 INFO L78 Accepts]: Start accepts. Automaton has 20232 states and 26148 transitions. Word has length 316 [2019-09-08 16:16:32,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:16:32,500 INFO L475 AbstractCegarLoop]: Abstraction has 20232 states and 26148 transitions. [2019-09-08 16:16:32,500 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:16:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 20232 states and 26148 transitions. [2019-09-08 16:16:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2019-09-08 16:16:32,532 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:16:32,532 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:16:32,533 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:16:32,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:16:32,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1840708478, now seen corresponding path program 1 times [2019-09-08 16:16:32,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:16:32,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:16:32,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:32,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:16:32,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:16:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-09-08 16:16:33,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:16:33,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:16:33,971 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:16:33,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:16:33,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:33,972 INFO L87 Difference]: Start difference. First operand 20232 states and 26148 transitions. Second operand 3 states. [2019-09-08 16:16:37,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:16:37,333 INFO L93 Difference]: Finished difference Result 49940 states and 64652 transitions. [2019-09-08 16:16:37,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:16:37,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 380 [2019-09-08 16:16:37,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:16:37,551 INFO L225 Difference]: With dead ends: 49940 [2019-09-08 16:16:37,551 INFO L226 Difference]: Without dead ends: 29734 [2019-09-08 16:16:37,673 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:37,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29734 states. [2019-09-08 16:16:38,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29734 to 29662. [2019-09-08 16:16:38,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29662 states. [2019-09-08 16:16:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29662 states to 29662 states and 38292 transitions. [2019-09-08 16:16:39,076 INFO L78 Accepts]: Start accepts. Automaton has 29662 states and 38292 transitions. Word has length 380 [2019-09-08 16:16:39,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:16:39,076 INFO L475 AbstractCegarLoop]: Abstraction has 29662 states and 38292 transitions. [2019-09-08 16:16:39,077 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:16:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 29662 states and 38292 transitions. [2019-09-08 16:16:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-09-08 16:16:39,106 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:16:39,106 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:16:39,107 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:16:39,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:16:39,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1214693437, now seen corresponding path program 1 times [2019-09-08 16:16:39,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:16:39,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:16:39,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:39,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:16:39,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:16:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2019-09-08 16:16:39,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:16:39,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 16:16:39,659 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 16:16:39,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 16:16:39,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:16:39,659 INFO L87 Difference]: Start difference. First operand 29662 states and 38292 transitions. Second operand 7 states. [2019-09-08 16:16:58,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:16:58,227 INFO L93 Difference]: Finished difference Result 89294 states and 115532 transitions. [2019-09-08 16:16:58,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 16:16:58,228 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 347 [2019-09-08 16:16:58,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:16:58,556 INFO L225 Difference]: With dead ends: 89294 [2019-09-08 16:16:58,557 INFO L226 Difference]: Without dead ends: 59658 [2019-09-08 16:16:58,694 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-09-08 16:16:58,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59658 states. [2019-09-08 16:17:02,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59658 to 59466. [2019-09-08 16:17:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59466 states. [2019-09-08 16:17:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59466 states to 59466 states and 76924 transitions. [2019-09-08 16:17:02,800 INFO L78 Accepts]: Start accepts. Automaton has 59466 states and 76924 transitions. Word has length 347 [2019-09-08 16:17:02,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:02,802 INFO L475 AbstractCegarLoop]: Abstraction has 59466 states and 76924 transitions. [2019-09-08 16:17:02,803 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 16:17:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 59466 states and 76924 transitions. [2019-09-08 16:17:02,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-09-08 16:17:02,857 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:02,858 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:17:02,858 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:02,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:02,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1376627264, now seen corresponding path program 1 times [2019-09-08 16:17:02,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:02,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:02,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:02,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:02,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:03,371 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2019-09-08 16:17:03,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:03,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:17:03,374 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:17:03,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:17:03,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:17:03,378 INFO L87 Difference]: Start difference. First operand 59466 states and 76924 transitions. Second operand 6 states. [2019-09-08 16:17:12,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:12,780 INFO L93 Difference]: Finished difference Result 178826 states and 232716 transitions. [2019-09-08 16:17:12,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 16:17:12,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 345 [2019-09-08 16:17:12,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:13,432 INFO L225 Difference]: With dead ends: 178826 [2019-09-08 16:17:13,432 INFO L226 Difference]: Without dead ends: 119386 [2019-09-08 16:17:13,612 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-09-08 16:17:13,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119386 states. [2019-09-08 16:17:22,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119386 to 119266. [2019-09-08 16:17:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119266 states. [2019-09-08 16:17:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119266 states to 119266 states and 154592 transitions. [2019-09-08 16:17:22,364 INFO L78 Accepts]: Start accepts. Automaton has 119266 states and 154592 transitions. Word has length 345 [2019-09-08 16:17:22,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:22,365 INFO L475 AbstractCegarLoop]: Abstraction has 119266 states and 154592 transitions. [2019-09-08 16:17:22,366 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:17:22,366 INFO L276 IsEmpty]: Start isEmpty. Operand 119266 states and 154592 transitions. [2019-09-08 16:17:22,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-09-08 16:17:22,438 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:22,438 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:17:22,439 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:22,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:22,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1283459068, now seen corresponding path program 1 times [2019-09-08 16:17:22,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:22,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:22,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:22,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:22,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2019-09-08 16:17:22,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:22,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:17:22,880 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:17:22,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:17:22,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:17:22,881 INFO L87 Difference]: Start difference. First operand 119266 states and 154592 transitions. Second operand 6 states. [2019-09-08 16:17:29,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:29,075 INFO L93 Difference]: Finished difference Result 179186 states and 232472 transitions. [2019-09-08 16:17:29,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:17:29,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 349 [2019-09-08 16:17:29,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:29,673 INFO L225 Difference]: With dead ends: 179186 [2019-09-08 16:17:29,673 INFO L226 Difference]: Without dead ends: 119362 [2019-09-08 16:17:29,878 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:17:30,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119362 states. [2019-09-08 16:17:33,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119362 to 119266. [2019-09-08 16:17:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119266 states. [2019-09-08 16:17:34,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119266 states to 119266 states and 154400 transitions. [2019-09-08 16:17:34,316 INFO L78 Accepts]: Start accepts. Automaton has 119266 states and 154400 transitions. Word has length 349 [2019-09-08 16:17:34,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:34,317 INFO L475 AbstractCegarLoop]: Abstraction has 119266 states and 154400 transitions. [2019-09-08 16:17:34,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:17:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 119266 states and 154400 transitions. [2019-09-08 16:17:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-09-08 16:17:34,369 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:34,369 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:17:34,370 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:34,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:34,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1530738735, now seen corresponding path program 1 times [2019-09-08 16:17:34,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:34,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:34,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:34,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:34,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2019-09-08 16:17:34,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:34,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:17:34,822 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:17:34,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:17:34,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:17:34,823 INFO L87 Difference]: Start difference. First operand 119266 states and 154400 transitions. Second operand 6 states. [2019-09-08 16:17:43,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:43,905 INFO L93 Difference]: Finished difference Result 179186 states and 232136 transitions. [2019-09-08 16:17:43,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:17:43,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 350 [2019-09-08 16:17:43,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:44,508 INFO L225 Difference]: With dead ends: 179186 [2019-09-08 16:17:44,508 INFO L226 Difference]: Without dead ends: 119362 [2019-09-08 16:17:44,676 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:17:44,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119362 states. [2019-09-08 16:17:47,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119362 to 119266. [2019-09-08 16:17:47,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119266 states. [2019-09-08 16:17:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119266 states to 119266 states and 154208 transitions. [2019-09-08 16:17:48,105 INFO L78 Accepts]: Start accepts. Automaton has 119266 states and 154208 transitions. Word has length 350 [2019-09-08 16:17:48,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:48,106 INFO L475 AbstractCegarLoop]: Abstraction has 119266 states and 154208 transitions. [2019-09-08 16:17:48,106 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:17:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 119266 states and 154208 transitions. [2019-09-08 16:17:48,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2019-09-08 16:17:48,157 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:48,160 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:17:48,160 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:48,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:48,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1550114198, now seen corresponding path program 1 times [2019-09-08 16:17:48,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:48,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:48,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:48,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:48,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:48,645 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2019-09-08 16:17:48,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:48,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:17:48,647 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:17:48,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:17:48,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:17:48,648 INFO L87 Difference]: Start difference. First operand 119266 states and 154208 transitions. Second operand 6 states. [2019-09-08 16:17:57,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:57,232 INFO L93 Difference]: Finished difference Result 179186 states and 231752 transitions. [2019-09-08 16:17:57,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:17:57,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 348 [2019-09-08 16:17:57,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:57,722 INFO L225 Difference]: With dead ends: 179186 [2019-09-08 16:17:57,722 INFO L226 Difference]: Without dead ends: 118402 [2019-09-08 16:17:57,872 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:17:57,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118402 states. [2019-09-08 16:18:00,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118402 to 118354. [2019-09-08 16:18:00,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118354 states. [2019-09-08 16:18:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118354 states to 118354 states and 152768 transitions. [2019-09-08 16:18:01,164 INFO L78 Accepts]: Start accepts. Automaton has 118354 states and 152768 transitions. Word has length 348 [2019-09-08 16:18:01,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:18:01,164 INFO L475 AbstractCegarLoop]: Abstraction has 118354 states and 152768 transitions. [2019-09-08 16:18:01,165 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:18:01,165 INFO L276 IsEmpty]: Start isEmpty. Operand 118354 states and 152768 transitions. [2019-09-08 16:18:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2019-09-08 16:18:01,197 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:18:01,198 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:18:01,198 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:18:01,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:18:01,199 INFO L82 PathProgramCache]: Analyzing trace with hash 104369700, now seen corresponding path program 1 times [2019-09-08 16:18:01,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:18:01,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:18:01,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:01,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:18:01,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:18:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2019-09-08 16:18:01,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:18:01,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:18:01,598 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:18:01,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:18:01,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:18:01,600 INFO L87 Difference]: Start difference. First operand 118354 states and 152768 transitions. Second operand 6 states. [2019-09-08 16:18:15,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:18:15,170 INFO L93 Difference]: Finished difference Result 355346 states and 460576 transitions. [2019-09-08 16:18:15,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 16:18:15,171 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 346 [2019-09-08 16:18:15,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:18:16,035 INFO L225 Difference]: With dead ends: 355346 [2019-09-08 16:18:16,035 INFO L226 Difference]: Without dead ends: 237018 [2019-09-08 16:18:16,265 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-09-08 16:18:16,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237018 states. [2019-09-08 16:18:27,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237018 to 236706. [2019-09-08 16:18:27,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236706 states. [2019-09-08 16:18:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236706 states to 236706 states and 305640 transitions. [2019-09-08 16:18:27,919 INFO L78 Accepts]: Start accepts. Automaton has 236706 states and 305640 transitions. Word has length 346 [2019-09-08 16:18:27,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:18:27,920 INFO L475 AbstractCegarLoop]: Abstraction has 236706 states and 305640 transitions. [2019-09-08 16:18:27,920 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:18:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 236706 states and 305640 transitions. [2019-09-08 16:18:27,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-09-08 16:18:27,949 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:18:27,950 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:18:27,950 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:18:27,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:18:27,950 INFO L82 PathProgramCache]: Analyzing trace with hash 583921067, now seen corresponding path program 1 times [2019-09-08 16:18:27,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:18:27,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:18:27,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:27,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:18:27,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:18:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2019-09-08 16:18:29,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:18:29,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 16:18:29,270 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 16:18:29,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 16:18:29,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:18:29,275 INFO L87 Difference]: Start difference. First operand 236706 states and 305640 transitions. Second operand 7 states. [2019-09-08 16:19:01,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:19:01,059 INFO L93 Difference]: Finished difference Result 736005 states and 957292 transitions. [2019-09-08 16:19:01,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 16:19:01,060 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 344 [2019-09-08 16:19:01,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:19:02,827 INFO L225 Difference]: With dead ends: 736005 [2019-09-08 16:19:02,828 INFO L226 Difference]: Without dead ends: 499325 [2019-09-08 16:19:03,260 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2019-09-08 16:19:03,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499325 states. [2019-09-08 16:19:31,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499325 to 488578. [2019-09-08 16:19:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488578 states. [2019-09-08 16:19:32,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488578 states to 488578 states and 631584 transitions. [2019-09-08 16:19:32,572 INFO L78 Accepts]: Start accepts. Automaton has 488578 states and 631584 transitions. Word has length 344 [2019-09-08 16:19:32,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:19:32,573 INFO L475 AbstractCegarLoop]: Abstraction has 488578 states and 631584 transitions. [2019-09-08 16:19:32,573 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 16:19:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 488578 states and 631584 transitions. [2019-09-08 16:19:32,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-09-08 16:19:32,615 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:19:32,616 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:19:32,616 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:19:32,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:19:32,616 INFO L82 PathProgramCache]: Analyzing trace with hash -757255015, now seen corresponding path program 1 times [2019-09-08 16:19:32,616 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:19:32,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:19:32,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:19:32,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:19:32,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:19:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:19:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2019-09-08 16:19:33,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:19:33,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:19:33,067 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:19:33,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:19:33,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:19:33,068 INFO L87 Difference]: Start difference. First operand 488578 states and 631584 transitions. Second operand 6 states. [2019-09-08 16:20:00,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:20:00,425 INFO L93 Difference]: Finished difference Result 978282 states and 1265680 transitions. [2019-09-08 16:20:00,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:20:00,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 347 [2019-09-08 16:20:00,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:20:02,075 INFO L225 Difference]: With dead ends: 978282 [2019-09-08 16:20:02,076 INFO L226 Difference]: Without dead ends: 485234 [2019-09-08 16:20:12,591 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:20:12,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485234 states. [2019-09-08 16:20:39,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485234 to 484466. [2019-09-08 16:20:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484466 states. [2019-09-08 16:20:42,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484466 states to 484466 states and 625596 transitions. [2019-09-08 16:20:42,675 INFO L78 Accepts]: Start accepts. Automaton has 484466 states and 625596 transitions. Word has length 347 [2019-09-08 16:20:42,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:20:42,675 INFO L475 AbstractCegarLoop]: Abstraction has 484466 states and 625596 transitions. [2019-09-08 16:20:42,675 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:20:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 484466 states and 625596 transitions. [2019-09-08 16:20:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2019-09-08 16:20:42,715 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:20:42,715 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:20:42,716 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:20:42,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:20:42,716 INFO L82 PathProgramCache]: Analyzing trace with hash -57688232, now seen corresponding path program 1 times [2019-09-08 16:20:42,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:20:42,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:20:42,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:20:42,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:20:42,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:20:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:20:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-09-08 16:20:43,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:20:43,244 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:20:43,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:20:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:20:44,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 5273 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 16:20:44,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:20:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2019-09-08 16:20:44,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:20:44,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2019-09-08 16:20:44,539 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 16:20:44,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 16:20:44,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-08 16:20:44,539 INFO L87 Difference]: Start difference. First operand 484466 states and 625596 transitions. Second operand 10 states. [2019-09-08 16:21:37,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:21:37,798 INFO L93 Difference]: Finished difference Result 1224661 states and 1599796 transitions. [2019-09-08 16:21:37,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-08 16:21:37,799 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 361 [2019-09-08 16:21:37,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:21:41,134 INFO L225 Difference]: With dead ends: 1224661 [2019-09-08 16:21:41,134 INFO L226 Difference]: Without dead ends: 735709 [2019-09-08 16:21:42,781 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2019-09-08 16:21:43,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735709 states. [2019-09-08 16:22:25,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735709 to 714786. [2019-09-08 16:22:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714786 states. [2019-09-08 16:22:41,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714786 states to 714786 states and 922752 transitions. [2019-09-08 16:22:41,330 INFO L78 Accepts]: Start accepts. Automaton has 714786 states and 922752 transitions. Word has length 361 [2019-09-08 16:22:41,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:22:41,330 INFO L475 AbstractCegarLoop]: Abstraction has 714786 states and 922752 transitions. [2019-09-08 16:22:41,330 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 16:22:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 714786 states and 922752 transitions. [2019-09-08 16:22:41,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-09-08 16:22:41,463 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:22:41,463 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:22:41,464 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:22:41,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:22:41,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1198425148, now seen corresponding path program 1 times [2019-09-08 16:22:41,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:22:41,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:22:41,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:22:41,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:22:41,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:22:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:22:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-09-08 16:22:42,011 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:22:42,011 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 16:22:42,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:22:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:22:43,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 5283 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 16:22:43,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:22:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2019-09-08 16:22:46,047 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:22:46,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2019-09-08 16:22:46,049 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-08 16:22:46,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-08 16:22:46,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2019-09-08 16:22:46,049 INFO L87 Difference]: Start difference. First operand 714786 states and 922752 transitions. Second operand 19 states. [2019-09-08 16:24:47,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:24:47,909 INFO L93 Difference]: Finished difference Result 2057005 states and 2666860 transitions. [2019-09-08 16:24:47,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2019-09-08 16:24:47,910 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 364 [2019-09-08 16:24:47,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:24:53,290 INFO L225 Difference]: With dead ends: 2057005 [2019-09-08 16:24:53,290 INFO L226 Difference]: Without dead ends: 1328061 [2019-09-08 16:24:54,982 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2019 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=890, Invalid=5752, Unknown=0, NotChecked=0, Total=6642 [2019-09-08 16:24:55,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328061 states.