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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:58:20,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:58:20,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:58:20,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:58:20,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:58:20,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:58:20,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:58:20,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:58:20,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:58:20,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:58:20,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:58:20,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:58:20,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:58:20,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:58:20,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:58:20,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:58:20,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:58:20,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:58:20,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:58:20,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:58:20,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:58:20,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:58:20,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:58:20,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:58:20,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:58:20,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:58:20,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:58:20,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:58:20,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:58:20,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:58:20,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:58:20,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:58:20,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:58:20,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:58:20,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:58:20,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:58:20,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:58:20,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:58:20,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:58:20,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:58:20,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:58:20,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 10:58:20,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:58:20,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:58:20,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:58:20,917 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:58:20,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:58:20,918 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:58:20,918 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:58:20,919 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:58:20,919 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:58:20,919 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:58:20,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:58:20,920 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:58:20,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:58:20,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:58:20,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:58:20,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:58:20,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:58:20,921 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:58:20,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:58:20,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:58:20,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:58:20,922 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:58:20,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:58:20,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:58:20,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:58:20,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:58:20,923 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:58:20,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:58:20,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:58:20,924 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:58:20,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:58:20,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:58:20,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:58:20,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:58:20,988 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:58:20,989 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i [2019-09-10 10:58:21,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/153c1617c/1b1680340f124c1e88fc351be840fe79/FLAG708cc1272 [2019-09-10 10:58:21,890 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:58:21,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i [2019-09-10 10:58:21,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/153c1617c/1b1680340f124c1e88fc351be840fe79/FLAG708cc1272 [2019-09-10 10:58:22,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/153c1617c/1b1680340f124c1e88fc351be840fe79 [2019-09-10 10:58:22,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:58:22,342 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:58:22,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:58:22,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:58:22,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:58:22,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:58:22" (1/1) ... [2019-09-10 10:58:22,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a77ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:58:22, skipping insertion in model container [2019-09-10 10:58:22,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:58:22" (1/1) ... [2019-09-10 10:58:22,359 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:58:22,508 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:58:24,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:58:24,462 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:58:24,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:58:25,232 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:58:25,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:58:25 WrapperNode [2019-09-10 10:58:25,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:58:25,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:58:25,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:58:25,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:58:25,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:58:25" (1/1) ... [2019-09-10 10:58:25,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:58:25" (1/1) ... [2019-09-10 10:58:25,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:58:25" (1/1) ... [2019-09-10 10:58:25,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:58:25" (1/1) ... [2019-09-10 10:58:25,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:58:25" (1/1) ... [2019-09-10 10:58:25,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:58:25" (1/1) ... [2019-09-10 10:58:25,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:58:25" (1/1) ... [2019-09-10 10:58:25,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:58:25,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:58:25,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:58:25,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:58:25,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:58:25" (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 [2019-09-10 10:58:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:58:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:58:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-10 10:58:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-10 10:58:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-10 10:58:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-10 10:58:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 10:58:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 10:58:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 10:58:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-10 10:58:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 10:58:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-10 10:58:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:58:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:58:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 10:58:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 10:58:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-10 10:58:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:58:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 10:58:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 10:58:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 10:58:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 10:58:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:58:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 10:58:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:58:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:58:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-09-10 10:58:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-09-10 10:58:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-10 10:58:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-10 10:58:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-10 10:58:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-10 10:58:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-10 10:58:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-10 10:58:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-10 10:58:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-10 10:58:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-10 10:58:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-10 10:58:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-09-10 10:58:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2019-09-10 10:58:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-10 10:58:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-10 10:58:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 10:58:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-09-10 10:58:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-09-10 10:58:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-10 10:58:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-10 10:58:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 10:58:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2019-09-10 10:58:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2019-09-10 10:58:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure async_set_reg_cb [2019-09-10 10:58:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure async_set_registers [2019-09-10 10:58:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mii_word [2019-09-10 10:58:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mii_word [2019-09-10 10:58:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ethernet_addr [2019-09-10 10:58:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_set_mac_address [2019-09-10 10:58:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_reset [2019-09-10 10:58:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_all_urbs [2019-09-10 10:58:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urbs [2019-09-10 10:58:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2019-09-10 10:58:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pull_skb [2019-09-10 10:58:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure read_bulk_callback [2019-09-10 10:58:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure write_bulk_callback [2019-09-10 10:58:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_callback [2019-09-10 10:58:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_suspend [2019-09-10 10:58:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_resume [2019-09-10 10:58:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_skb_pool [2019-09-10 10:58:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure free_skb_pool [2019-09-10 10:58:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_fixup [2019-09-10 10:58:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_net_traffic [2019-09-10 10:58:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_net_traffic [2019-09-10 10:58:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_tx_timeout [2019-09-10 10:58:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_set_multicast [2019-09-10 10:58:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_start_xmit [2019-09-10 10:58:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2019-09-10 10:58:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_open [2019-09-10 10:58:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_close [2019-09-10 10:58:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_get_drvinfo [2019-09-10 10:58:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_get_settings [2019-09-10 10:58:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_ioctl [2019-09-10 10:58:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_probe [2019-09-10 10:58:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_disconnect [2019-09-10 10:58:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_driver_init [2019-09-10 10:58:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_driver_exit [2019-09-10 10:58:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-10 10:58:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_3 [2019-09-10 10:58:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-09-10 10:58:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:58:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-10 10:58:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-10 10:58:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-10 10:58:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-10 10:58:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-10 10:58:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_12 [2019-09-10 10:58:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_13 [2019-09-10 10:58:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_14 [2019-09-10 10:58:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_15 [2019-09-10 10:58:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_16 [2019-09-10 10:58:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_17 [2019-09-10 10:58:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2019-09-10 10:58:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_19 [2019-09-10 10:58:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_20 [2019-09-10 10:58:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-10 10:58:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-10 10:58:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-10 10:58:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-10 10:58:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-10 10:58:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 10:58:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 10:58:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 10:58:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 10:58:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-10 10:58:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:58:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-10 10:58:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-10 10:58:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-10 10:58:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-10 10:58:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-10 10:58:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:58:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-09-10 10:58:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-10 10:58:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-10 10:58:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-10 10:58:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2019-09-10 10:58:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 10:58:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-09-10 10:58:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-10 10:58:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 10:58:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-10 10:58:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 10:58:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-10 10:58:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-10 10:58:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-10 10:58:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 10:58:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-10 10:58:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-10 10:58:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-10 10:58:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-10 10:58:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-09-10 10:58:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-10 10:58:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-09-10 10:58:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-09-10 10:58:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2019-09-10 10:58:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-10 10:58:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-10 10:58:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-09-10 10:58:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-09-10 10:58:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:58:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-10 10:58:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-10 10:58:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-10 10:58:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-09-10 10:58:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-09-10 10:58:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-10 10:58:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-10 10:58:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-10 10:58:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 10:58:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-10 10:58:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-10 10:58:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 10:58:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-10 10:58:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-10 10:58:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 10:58:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:58:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:58:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 10:58:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 10:58:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 10:58:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:58:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:58:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-10 10:58:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-10 10:58:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-10 10:58:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-10 10:58:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 10:58:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:58:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:58:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2019-09-10 10:58:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-10 10:58:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-10 10:58:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-10 10:58:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 10:58:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 10:58:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 10:58:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-10 10:58:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 10:58:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 10:58:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-10 10:58:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 10:58:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-10 10:58:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 10:58:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 10:58:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-10 10:58:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 10:58:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-10 10:58:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:58:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:58:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:58:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:58:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 10:58:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:58:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 10:58:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:58:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 10:58:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-10 10:58:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-10 10:58:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-10 10:58:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-10 10:58:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-10 10:58:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-10 10:58:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-10 10:58:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-10 10:58:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-10 10:58:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-10 10:58:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:58:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_13 [2019-09-10 10:58:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-10 10:58:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-10 10:58:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-10 10:58:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:58:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 10:58:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:58:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:58:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:58:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:58:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:58:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 10:58:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 10:58:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 10:58:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 10:58:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 10:58:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:58:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 10:58:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:58:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-10 10:58:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_3 [2019-09-10 10:58:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-09-10 10:58:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-09-10 10:58:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-09-10 10:58:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-09-10 10:58:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-09-10 10:58:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-09-10 10:58:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-09-10 10:58:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-10 10:58:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-10 10:58:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-10 10:58:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_14 [2019-09-10 10:58:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_16 [2019-09-10 10:58:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2019-09-10 10:58:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-10 10:58:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-10 10:58:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-10 10:58:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-10 10:58:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-10 10:58:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-10 10:58:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:58:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-10 10:58:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-10 10:58:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-09-10 10:58:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-10 10:58:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_12 [2019-09-10 10:58:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-09-10 10:58:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-10 10:58:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-10 10:58:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2019-09-10 10:58:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-09-10 10:58:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-09-10 10:58:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-10 10:58:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_15 [2019-09-10 10:58:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-10 10:58:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_17 [2019-09-10 10:58:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-10 10:58:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-10 10:58:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-10 10:58:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-10 10:58:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-10 10:58:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-10 10:58:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 10:58:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-09-10 10:58:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 10:58:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_19 [2019-09-10 10:58:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 10:58:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_20 [2019-09-10 10:58:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-09-10 10:58:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-10 10:58:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-10 10:58:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-10 10:58:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-10 10:58:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-10 10:58:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-10 10:58:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-10 10:58:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-10 10:58:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 10:58:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2019-09-10 10:58:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2019-09-10 10:58:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure async_set_reg_cb [2019-09-10 10:58:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:58:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure async_set_registers [2019-09-10 10:58:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure read_mii_word [2019-09-10 10:58:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure write_mii_word [2019-09-10 10:58:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure set_ethernet_addr [2019-09-10 10:58:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 10:58:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_set_mac_address [2019-09-10 10:58:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_reset [2019-09-10 10:58:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_all_urbs [2019-09-10 10:58:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urbs [2019-09-10 10:58:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2019-09-10 10:58:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure pull_skb [2019-09-10 10:58:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure read_bulk_callback [2019-09-10 10:58:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure write_bulk_callback [2019-09-10 10:58:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure intr_callback [2019-09-10 10:58:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_suspend [2019-09-10 10:58:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_resume [2019-09-10 10:58:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure fill_skb_pool [2019-09-10 10:58:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure free_skb_pool [2019-09-10 10:58:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure rx_fixup [2019-09-10 10:58:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure enable_net_traffic [2019-09-10 10:58:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure disable_net_traffic [2019-09-10 10:58:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_tx_timeout [2019-09-10 10:58:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_set_multicast [2019-09-10 10:58:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_start_xmit [2019-09-10 10:58:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2019-09-10 10:58:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_open [2019-09-10 10:58:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_close [2019-09-10 10:58:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_get_drvinfo [2019-09-10 10:58:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_get_settings [2019-09-10 10:58:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_ioctl [2019-09-10 10:58:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_probe [2019-09-10 10:58:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_disconnect [2019-09-10 10:58:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_driver_init [2019-09-10 10:58:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_driver_exit [2019-09-10 10:58:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2019-09-10 10:58:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-09-10 10:58:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-09-10 10:58:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:58:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:58:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:58:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 10:58:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-10 10:58:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-10 10:58:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-10 10:58:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-10 10:58:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-10 10:58:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 10:58:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 10:58:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 10:58:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 10:58:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-10 10:58:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-10 10:58:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-10 10:58:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:58:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 10:58:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-10 10:58:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 10:58:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:58:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:58:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:58:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:58:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:58:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:58:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:58:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:58:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:58:27,090 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 10:58:30,473 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:58:30,474 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 10:58:30,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:58:30 BoogieIcfgContainer [2019-09-10 10:58:30,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:58:30,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:58:30,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:58:30,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:58:30,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:58:22" (1/3) ... [2019-09-10 10:58:30,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334304e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:58:30, skipping insertion in model container [2019-09-10 10:58:30,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:58:25" (2/3) ... [2019-09-10 10:58:30,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334304e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:58:30, skipping insertion in model container [2019-09-10 10:58:30,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:58:30" (3/3) ... [2019-09-10 10:58:30,485 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i [2019-09-10 10:58:30,495 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:58:30,509 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:58:30,526 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:58:30,560 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:58:30,560 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:58:30,560 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:58:30,560 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:58:30,561 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:58:30,561 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:58:30,561 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:58:30,561 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:58:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states. [2019-09-10 10:58:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-10 10:58:30,651 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:30,653 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, 1, 1, 1] [2019-09-10 10:58:30,656 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:30,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:30,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1041511950, now seen corresponding path program 1 times [2019-09-10 10:58:30,666 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:30,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:30,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:30,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:30,813 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:31,509 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-09-10 10:58:31,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:31,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:31,512 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:31,518 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:31,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:31,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:31,537 INFO L87 Difference]: Start difference. First operand 1215 states. Second operand 3 states. [2019-09-10 10:58:32,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:32,066 INFO L93 Difference]: Finished difference Result 2185 states and 2811 transitions. [2019-09-10 10:58:32,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:32,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2019-09-10 10:58:32,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:32,105 INFO L225 Difference]: With dead ends: 2185 [2019-09-10 10:58:32,105 INFO L226 Difference]: Without dead ends: 2166 [2019-09-10 10:58:32,107 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 [2019-09-10 10:58:32,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2019-09-10 10:58:32,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 2166. [2019-09-10 10:58:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2166 states. [2019-09-10 10:58:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 2782 transitions. [2019-09-10 10:58:32,316 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 2782 transitions. Word has length 84 [2019-09-10 10:58:32,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:32,316 INFO L475 AbstractCegarLoop]: Abstraction has 2166 states and 2782 transitions. [2019-09-10 10:58:32,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:32,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2782 transitions. [2019-09-10 10:58:32,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-10 10:58:32,329 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:32,329 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:58:32,330 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:32,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:32,331 INFO L82 PathProgramCache]: Analyzing trace with hash -2004237067, now seen corresponding path program 1 times [2019-09-10 10:58:32,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:32,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:32,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:32,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:32,338 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-09-10 10:58:32,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:32,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:58:32,797 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:32,799 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:58:32,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:58:32,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:58:32,800 INFO L87 Difference]: Start difference. First operand 2166 states and 2782 transitions. Second operand 6 states. [2019-09-10 10:58:34,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:34,927 INFO L93 Difference]: Finished difference Result 4306 states and 5561 transitions. [2019-09-10 10:58:34,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 10:58:34,928 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2019-09-10 10:58:34,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:34,970 INFO L225 Difference]: With dead ends: 4306 [2019-09-10 10:58:34,970 INFO L226 Difference]: Without dead ends: 4285 [2019-09-10 10:58:34,971 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 [2019-09-10 10:58:34,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4285 states. [2019-09-10 10:58:35,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4285 to 4285. [2019-09-10 10:58:35,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4285 states. [2019-09-10 10:58:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 4285 states and 5538 transitions. [2019-09-10 10:58:35,224 INFO L78 Accepts]: Start accepts. Automaton has 4285 states and 5538 transitions. Word has length 100 [2019-09-10 10:58:35,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:35,225 INFO L475 AbstractCegarLoop]: Abstraction has 4285 states and 5538 transitions. [2019-09-10 10:58:35,225 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:58:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 4285 states and 5538 transitions. [2019-09-10 10:58:35,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-09-10 10:58:35,243 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:35,244 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 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] [2019-09-10 10:58:35,244 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:35,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:35,245 INFO L82 PathProgramCache]: Analyzing trace with hash 2063410308, now seen corresponding path program 1 times [2019-09-10 10:58:35,245 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:35,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:35,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:35,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:35,250 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-09-10 10:58:35,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:35,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:35,617 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:35,619 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:35,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:35,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:35,620 INFO L87 Difference]: Start difference. First operand 4285 states and 5538 transitions. Second operand 3 states. [2019-09-10 10:58:35,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:35,847 INFO L93 Difference]: Finished difference Result 6608 states and 8544 transitions. [2019-09-10 10:58:35,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:35,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2019-09-10 10:58:35,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:35,888 INFO L225 Difference]: With dead ends: 6608 [2019-09-10 10:58:35,889 INFO L226 Difference]: Without dead ends: 6608 [2019-09-10 10:58:35,889 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 [2019-09-10 10:58:35,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6608 states. [2019-09-10 10:58:36,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6608 to 6569. [2019-09-10 10:58:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6569 states. [2019-09-10 10:58:36,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6569 states to 6569 states and 8500 transitions. [2019-09-10 10:58:36,149 INFO L78 Accepts]: Start accepts. Automaton has 6569 states and 8500 transitions. Word has length 227 [2019-09-10 10:58:36,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:36,149 INFO L475 AbstractCegarLoop]: Abstraction has 6569 states and 8500 transitions. [2019-09-10 10:58:36,149 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:36,150 INFO L276 IsEmpty]: Start isEmpty. Operand 6569 states and 8500 transitions. [2019-09-10 10:58:36,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-09-10 10:58:36,179 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:36,180 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 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] [2019-09-10 10:58:36,180 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:36,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:36,181 INFO L82 PathProgramCache]: Analyzing trace with hash 910008980, now seen corresponding path program 1 times [2019-09-10 10:58:36,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:36,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:36,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:36,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:36,185 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2019-09-10 10:58:36,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:36,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:36,508 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:36,510 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:36,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:36,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:36,510 INFO L87 Difference]: Start difference. First operand 6569 states and 8500 transitions. Second operand 3 states. [2019-09-10 10:58:37,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:37,089 INFO L93 Difference]: Finished difference Result 9126 states and 11777 transitions. [2019-09-10 10:58:37,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:37,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2019-09-10 10:58:37,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:37,145 INFO L225 Difference]: With dead ends: 9126 [2019-09-10 10:58:37,145 INFO L226 Difference]: Without dead ends: 9126 [2019-09-10 10:58:37,147 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 [2019-09-10 10:58:37,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9126 states. [2019-09-10 10:58:37,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9126 to 9087. [2019-09-10 10:58:37,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9087 states. [2019-09-10 10:58:37,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9087 states to 9087 states and 11733 transitions. [2019-09-10 10:58:37,447 INFO L78 Accepts]: Start accepts. Automaton has 9087 states and 11733 transitions. Word has length 256 [2019-09-10 10:58:37,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:37,448 INFO L475 AbstractCegarLoop]: Abstraction has 9087 states and 11733 transitions. [2019-09-10 10:58:37,448 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 9087 states and 11733 transitions. [2019-09-10 10:58:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-09-10 10:58:37,497 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:37,498 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 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] [2019-09-10 10:58:37,498 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:37,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:37,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1049950213, now seen corresponding path program 1 times [2019-09-10 10:58:37,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:37,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:37,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:37,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:37,505 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2019-09-10 10:58:37,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:37,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:37,834 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:37,834 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:37,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:37,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:37,835 INFO L87 Difference]: Start difference. First operand 9087 states and 11733 transitions. Second operand 3 states. [2019-09-10 10:58:37,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:37,916 INFO L93 Difference]: Finished difference Result 9135 states and 11801 transitions. [2019-09-10 10:58:37,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:37,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2019-09-10 10:58:37,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:38,094 INFO L225 Difference]: With dead ends: 9135 [2019-09-10 10:58:38,095 INFO L226 Difference]: Without dead ends: 9135 [2019-09-10 10:58:38,095 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 [2019-09-10 10:58:38,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9135 states. [2019-09-10 10:58:38,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9135 to 9095. [2019-09-10 10:58:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9095 states. [2019-09-10 10:58:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9095 states to 9095 states and 11741 transitions. [2019-09-10 10:58:38,403 INFO L78 Accepts]: Start accepts. Automaton has 9095 states and 11741 transitions. Word has length 283 [2019-09-10 10:58:38,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:38,405 INFO L475 AbstractCegarLoop]: Abstraction has 9095 states and 11741 transitions. [2019-09-10 10:58:38,405 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 9095 states and 11741 transitions. [2019-09-10 10:58:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-09-10 10:58:38,438 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:38,439 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 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] [2019-09-10 10:58:38,439 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:38,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:38,440 INFO L82 PathProgramCache]: Analyzing trace with hash -10074448, now seen corresponding path program 1 times [2019-09-10 10:58:38,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:38,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:38,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:38,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:38,444 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-09-10 10:58:38,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:38,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:58:38,685 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:38,686 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:58:38,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:58:38,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:58:38,687 INFO L87 Difference]: Start difference. First operand 9095 states and 11741 transitions. Second operand 3 states. [2019-09-10 10:58:38,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:38,748 INFO L93 Difference]: Finished difference Result 9111 states and 11759 transitions. [2019-09-10 10:58:38,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:58:38,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 287 [2019-09-10 10:58:38,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:38,792 INFO L225 Difference]: With dead ends: 9111 [2019-09-10 10:58:38,792 INFO L226 Difference]: Without dead ends: 9111 [2019-09-10 10:58:38,793 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 [2019-09-10 10:58:38,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9111 states. [2019-09-10 10:58:39,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9111 to 9103. [2019-09-10 10:58:39,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9103 states. [2019-09-10 10:58:39,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9103 states to 9103 states and 11749 transitions. [2019-09-10 10:58:39,298 INFO L78 Accepts]: Start accepts. Automaton has 9103 states and 11749 transitions. Word has length 287 [2019-09-10 10:58:39,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:39,299 INFO L475 AbstractCegarLoop]: Abstraction has 9103 states and 11749 transitions. [2019-09-10 10:58:39,299 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:58:39,299 INFO L276 IsEmpty]: Start isEmpty. Operand 9103 states and 11749 transitions. [2019-09-10 10:58:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-09-10 10:58:39,332 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:39,333 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 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] [2019-09-10 10:58:39,333 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:39,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:39,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1297515695, now seen corresponding path program 1 times [2019-09-10 10:58:39,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:39,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:39,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:39,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:39,341 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:39,630 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-09-10 10:58:39,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:39,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 10:58:39,631 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:39,631 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 10:58:39,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 10:58:39,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:58:39,632 INFO L87 Difference]: Start difference. First operand 9103 states and 11749 transitions. Second operand 5 states. [2019-09-10 10:58:40,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:40,109 INFO L93 Difference]: Finished difference Result 12389 states and 15923 transitions. [2019-09-10 10:58:40,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 10:58:40,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 289 [2019-09-10 10:58:40,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:40,176 INFO L225 Difference]: With dead ends: 12389 [2019-09-10 10:58:40,176 INFO L226 Difference]: Without dead ends: 12389 [2019-09-10 10:58:40,176 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:58:40,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12389 states. [2019-09-10 10:58:40,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12389 to 9119. [2019-09-10 10:58:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9119 states. [2019-09-10 10:58:40,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9119 states to 9119 states and 11765 transitions. [2019-09-10 10:58:40,468 INFO L78 Accepts]: Start accepts. Automaton has 9119 states and 11765 transitions. Word has length 289 [2019-09-10 10:58:40,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:40,468 INFO L475 AbstractCegarLoop]: Abstraction has 9119 states and 11765 transitions. [2019-09-10 10:58:40,468 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 10:58:40,468 INFO L276 IsEmpty]: Start isEmpty. Operand 9119 states and 11765 transitions. [2019-09-10 10:58:40,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-09-10 10:58:40,503 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:40,504 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:58:40,504 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:40,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:40,504 INFO L82 PathProgramCache]: Analyzing trace with hash -739718047, now seen corresponding path program 1 times [2019-09-10 10:58:40,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:40,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:40,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:40,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:40,509 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-09-10 10:58:41,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:58:41,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 10:58:41,515 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:41,517 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 10:58:41,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 10:58:41,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:58:41,518 INFO L87 Difference]: Start difference. First operand 9119 states and 11765 transitions. Second operand 5 states. [2019-09-10 10:58:41,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:41,592 INFO L93 Difference]: Finished difference Result 9163 states and 11817 transitions. [2019-09-10 10:58:41,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 10:58:41,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 339 [2019-09-10 10:58:41,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:41,629 INFO L225 Difference]: With dead ends: 9163 [2019-09-10 10:58:41,630 INFO L226 Difference]: Without dead ends: 9163 [2019-09-10 10:58:41,630 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:58:41,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9163 states. [2019-09-10 10:58:41,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9163 to 9149. [2019-09-10 10:58:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9149 states. [2019-09-10 10:58:41,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9149 states to 9149 states and 11799 transitions. [2019-09-10 10:58:41,848 INFO L78 Accepts]: Start accepts. Automaton has 9149 states and 11799 transitions. Word has length 339 [2019-09-10 10:58:41,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:41,848 INFO L475 AbstractCegarLoop]: Abstraction has 9149 states and 11799 transitions. [2019-09-10 10:58:41,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 10:58:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 9149 states and 11799 transitions. [2019-09-10 10:58:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2019-09-10 10:58:41,883 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:41,884 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:58:41,884 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:41,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:41,885 INFO L82 PathProgramCache]: Analyzing trace with hash 563854390, now seen corresponding path program 1 times [2019-09-10 10:58:41,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:41,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:41,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:41,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:41,888 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-09-10 10:58:42,239 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:58:42,239 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:58:42,240 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 362 with the following transitions: [2019-09-10 10:58:42,243 INFO L207 CegarAbsIntRunner]: [112], [114], [115], [179], [180], [204], [205], [303], [305], [309], [311], [317], [319], [327], [328], [329], [332], [334], [335], [337], [338], [374], [376], [377], [378], [380], [384], [386], [387], [445], [486], [488], [490], [491], [492], [498], [499], [517], [518], [521], [522], [531], [533], [534], [535], [536], [546], [548], [553], [555], [558], [567], [570], [766], [767], [784], [785], [866], [868], [869], [872], [873], [938], [940], [941], [944], [946], [960], [962], [963], [964], [967], [971], [977], [978], [993], [994], [995], [1133], [1139], [1145], [1146], [1198], [1200], [1202], [1206], [1208], [1210], [1216], [1219], [1221], [1223], [1228], [1230], [1235], [1239], [1241], [1246], [1257], [1258], [1260], [1267], [1269], [1271], [1272], [1273], [1274], [1330], [1332], [1335], [1345], [1347], [1348], [1354], [1356], [1357], [1360], [1362], [1363], [1372], [1374], [1375], [1412], [1448], [1450], [1452], [1454], [1456], [1458], [1460], [1463], [1465], [1468], [1471], [1474], [1477], [1479], [1482], [1582], [1585], [1588], [1591], [1594], [1596], [1600], [1603], [1606], [1608], [1611], [1620], [1975], [1984], [1989], [2001], [2005], [2038], [2039], [2040], [2041], [2042], [2043], [2072], [2074], [2076], [2077], [2080], [2082], [2084], [2085], [2109], [2111], [2113], [2114], [2119], [2120], [2121], [2123], [2128], [2171], [2172], [2225], [2226], [2227], [2228], [2231], [2232], [2237], [2238], [2251], [2252], [2253], [2254], [2255], [2256], [2283], [2284], [2285], [2286], [2299], [2300], [2305], [2306], [2393], [2394], [2425], [2426], [2427], [2428], [2437], [2438], [2449], [2450], [2481], [2482], [2483], [2484], [2485], [2486], [2487], [2488], [2491], [2492], [2493], [2494], [2495], [2496], [2497], [2498], [2499], [2500], [2501], [2502], [2503], [2504], [2505], [2506], [2507], [2508], [2519], [2520], [2523], [2524], [2527], [2528], [2529], [2530], [2533], [2534], [2535], [2536], [2539], [2540], [2563], [2564], [2583], [2584], [2585], [2586], [2587], [2588], [2589], [2590], [2591], [2592], [2593], [2594], [2595], [2596], [2597], [2598], [2599], [2600], [2613], [2614], [2615], [2616], [2617], [2618], [2677], [2705], [2706], [2707], [2708], [2709], [2710], [2711], [2712], [2723], [2724], [2725], [2726], [2729], [2730], [2731], [2733], [2734], [2735] [2019-09-10 10:58:42,338 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 10:58:42,338 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 10:58:42,492 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 10:58:42,494 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 172 root evaluator evaluations with a maximum evaluation depth of 0. Performed 172 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 346 variables. [2019-09-10 10:58:42,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:42,499 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 10:58:42,659 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 10:58:42,660 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 10:58:42,667 INFO L420 sIntCurrentIteration]: We unified 360 AI predicates to 360 [2019-09-10 10:58:42,667 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 10:58:42,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 10:58:42,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-10 10:58:42,669 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:42,670 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 10:58:42,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 10:58:42,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:58:42,670 INFO L87 Difference]: Start difference. First operand 9149 states and 11799 transitions. Second operand 2 states. [2019-09-10 10:58:42,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:42,671 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 10:58:42,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 10:58:42,671 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 361 [2019-09-10 10:58:42,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:42,672 INFO L225 Difference]: With dead ends: 2 [2019-09-10 10:58:42,672 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:58:42,672 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:58:42,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:58:42,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:58:42,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:58:42,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:58:42,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 361 [2019-09-10 10:58:42,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:42,673 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:58:42,673 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 10:58:42,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:58:42,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:58:42,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:58:42 BoogieIcfgContainer [2019-09-10 10:58:42,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:58:42,682 INFO L168 Benchmark]: Toolchain (without parser) took 20339.58 ms. Allocated memory was 142.1 MB in the beginning and 720.4 MB in the end (delta: 578.3 MB). Free memory was 79.8 MB in the beginning and 202.8 MB in the end (delta: -123.0 MB). Peak memory consumption was 455.3 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:42,683 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory is still 107.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 10:58:42,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2890.22 ms. Allocated memory was 142.1 MB in the beginning and 266.3 MB in the end (delta: 124.3 MB). Free memory was 79.3 MB in the beginning and 161.9 MB in the end (delta: -82.6 MB). Peak memory consumption was 112.3 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:42,685 INFO L168 Benchmark]: Boogie Preprocessor took 293.12 ms. Allocated memory is still 266.3 MB. Free memory was 161.9 MB in the beginning and 143.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:42,686 INFO L168 Benchmark]: RCFGBuilder took 4949.10 ms. Allocated memory was 266.3 MB in the beginning and 357.6 MB in the end (delta: 91.2 MB). Free memory was 143.0 MB in the beginning and 186.1 MB in the end (delta: -43.1 MB). Peak memory consumption was 173.6 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:42,687 INFO L168 Benchmark]: TraceAbstraction took 12202.75 ms. Allocated memory was 357.6 MB in the beginning and 720.4 MB in the end (delta: 362.8 MB). Free memory was 186.1 MB in the beginning and 202.8 MB in the end (delta: -16.7 MB). Peak memory consumption was 346.1 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:42,691 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory is still 107.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2890.22 ms. Allocated memory was 142.1 MB in the beginning and 266.3 MB in the end (delta: 124.3 MB). Free memory was 79.3 MB in the beginning and 161.9 MB in the end (delta: -82.6 MB). Peak memory consumption was 112.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 293.12 ms. Allocated memory is still 266.3 MB. Free memory was 161.9 MB in the beginning and 143.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4949.10 ms. Allocated memory was 266.3 MB in the beginning and 357.6 MB in the end (delta: 91.2 MB). Free memory was 143.0 MB in the beginning and 186.1 MB in the end (delta: -43.1 MB). Peak memory consumption was 173.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12202.75 ms. Allocated memory was 357.6 MB in the beginning and 720.4 MB in the end (delta: 362.8 MB). Free memory was 186.1 MB in the beginning and 202.8 MB in the end (delta: -16.7 MB). Peak memory consumption was 346.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5612]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 168 procedures, 1306 locations, 1 error locations. SAFE Result, 12.1s OverallTime, 9 OverallIterations, 10 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14023 SDtfs, 5721 SDslu, 23600 SDs, 0 SdLazy, 683 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9149occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.5444444444444443 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 3410 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2226 NumberOfCodeBlocks, 2226 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2217 ConstructedInterpolants, 0 QuantifiedInterpolants, 658829 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 1292/1294 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...