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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:45:10,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:45:10,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:45:10,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:45:10,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:45:10,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:45:10,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:45:10,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:45:10,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:45:10,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:45:10,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:45:10,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:45:10,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:45:10,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:45:10,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:45:10,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:45:10,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:45:10,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:45:10,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:45:10,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:45:10,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:45:10,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:45:10,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:45:10,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:45:10,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:45:10,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:45:10,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:45:10,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:45:10,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:45:10,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:45:10,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:45:10,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:45:10,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:45:10,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:45:10,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:45:10,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:45:10,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:45:10,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:45:10,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:45:10,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:45:10,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:45:10,858 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 [2019-09-20 13:45:10,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:45:10,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:45:10,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:45:10,881 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:45:10,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:45:10,881 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:45:10,882 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:45:10,882 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:45:10,882 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:45:10,882 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:45:10,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:45:10,884 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:45:10,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:45:10,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:45:10,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:45:10,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:45:10,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:45:10,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:45:10,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:45:10,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:45:10,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:45:10,887 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:45:10,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:45:10,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:45:10,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:45:10,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:45:10,888 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:45:10,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:45:10,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:45:10,888 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:45:10,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:45:10,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:45:10,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:45:10,952 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:45:10,953 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:45:10,954 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-09-20 13:45:11,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a73dc1dc/ae92e8ce28134959849b68fc92b8a601/FLAGd484bd190 [2019-09-20 13:45:11,834 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:45:11,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-09-20 13:45:11,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a73dc1dc/ae92e8ce28134959849b68fc92b8a601/FLAGd484bd190 [2019-09-20 13:45:12,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a73dc1dc/ae92e8ce28134959849b68fc92b8a601 [2019-09-20 13:45:12,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:45:12,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:45:12,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:45:12,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:45:12,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:45:12,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:45:12" (1/1) ... [2019-09-20 13:45:12,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2619bf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:12, skipping insertion in model container [2019-09-20 13:45:12,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:45:12" (1/1) ... [2019-09-20 13:45:12,398 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:45:12,578 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:45:15,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:45:15,356 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:45:15,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:45:16,106 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:45:16,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:16 WrapperNode [2019-09-20 13:45:16,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:45:16,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:45:16,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:45:16,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:45:16,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:16" (1/1) ... [2019-09-20 13:45:16,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:16" (1/1) ... [2019-09-20 13:45:16,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:16" (1/1) ... [2019-09-20 13:45:16,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:16" (1/1) ... [2019-09-20 13:45:16,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:16" (1/1) ... [2019-09-20 13:45:16,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:16" (1/1) ... [2019-09-20 13:45:16,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:16" (1/1) ... [2019-09-20 13:45:16,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:45:16,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:45:16,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:45:16,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:45:16,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:45:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:45:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:45:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:45:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:45:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:45:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:45:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-20 13:45:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-20 13:45:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:45:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:45:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:45:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:45:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:45:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:45:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-20 13:45:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-09-20 13:45:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:45:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:45:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:45:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:45:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2019-09-20 13:45:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2019-09-20 13:45:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-20 13:45:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-20 13:45:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:45:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-09-20 13:45:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-20 13:45:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:45:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-09-20 13:45:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-09-20 13:45:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-09-20 13:45:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-09-20 13:45:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2019-09-20 13:45:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-09-20 13:45:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2019-09-20 13:45:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-09-20 13:45:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-20 13:45:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2019-09-20 13:45:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2019-09-20 13:45:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2019-09-20 13:45:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_cb [2019-09-20 13:45:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_dummy_cb [2019-09-20 13:45:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2019-09-20 13:45:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2019-09-20 13:45:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_init_urbs [2019-09-20 13:45:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2019-09-20 13:45:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_lm87_chksum [2019-09-20 13:45:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_lm87 [2019-09-20 13:45:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_net2280 [2019-09-20 13:45:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2019-09-20 13:45:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2019-09-20 13:45:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2019-09-20 13:45:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_device_reset [2019-09-20 13:45:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_firmware_reset_3887 [2019-09-20 13:45:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_3887 [2019-09-20 13:45:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_net2280 [2019-09-20 13:45:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2019-09-20 13:45:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_start_ops [2019-09-20 13:45:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware_cb [2019-09-20 13:45:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware [2019-09-20 13:45:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_probe [2019-09-20 13:45:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2019-09-20 13:45:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2019-09-20 13:45:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2019-09-20 13:45:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2019-09-20 13:45:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_suspend [2019-09-20 13:45:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_init [2019-09-20 13:45:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_exit [2019-09-20 13:45:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-20 13:45:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:45:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-09-20 13:45:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-09-20 13:45:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-09-20 13:45:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-09-20 13:45:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-09-20 13:45:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-09-20 13:45:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-09-20 13:45:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2019-09-20 13:45:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2019-09-20 13:45:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2019-09-20 13:45:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2019-09-20 13:45:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:45:16,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-20 13:45:16,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:45:16,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 13:45:16,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 13:45:16,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 13:45:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-20 13:45:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-20 13:45:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-20 13:45:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-20 13:45:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-20 13:45:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-20 13:45:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-20 13:45:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-20 13:45:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-20 13:45:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-20 13:45:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-20 13:45:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:45:16,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:45:16,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-20 13:45:16,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-20 13:45:16,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:45:16,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-20 13:45:16,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-20 13:45:16,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-09-20 13:45:16,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-09-20 13:45:16,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-09-20 13:45:16,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-09-20 13:45:16,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:45:16,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:45:16,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:45:16,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:45:16,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:45:16,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:45:16,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:45:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-09-20 13:45:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-20 13:45:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-20 13:45:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-20 13:45:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev_of_p54u_priv [2019-09-20 13:45:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev_of_p54u_priv [2019-09-20 13:45:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev_of_p54u_priv [2019-09-20 13:45:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev_of_p54u_priv [2019-09-20 13:45:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev_of_p54u_priv [2019-09-20 13:45:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev_of_p54u_priv [2019-09-20 13:45:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev_of_p54u_priv [2019-09-20 13:45:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev_of_p54u_priv [2019-09-20 13:45:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev_of_p54u_priv [2019-09-20 13:45:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev_of_p54u_priv [2019-09-20 13:45:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev_of_p54u_priv [2019-09-20 13:45:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:45:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-20 13:45:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-09-20 13:45:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:45:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2019-09-20 13:45:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-09-20 13:45:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-20 13:45:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:45:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 13:45:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-20 13:45:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-20 13:45:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:45:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-09-20 13:45:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_restart_hw [2019-09-20 13:45:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-09-20 13:45:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-09-20 13:45:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:45:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 13:45:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-20 13:45:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:45:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2019-09-20 13:45:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2019-09-20 13:45:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_init_common [2019-09-20 13:45:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_parse_firmware [2019-09-20 13:45:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_read_eeprom [2019-09-20 13:45:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_register_common [2019-09-20 13:45:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_rx [2019-09-20 13:45:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_unregister_common [2019-09-20 13:45:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-20 13:45:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2019-09-20 13:45:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-20 13:45:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-09-20 13:45:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-20 13:45:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-09-20 13:45:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-09-20 13:45:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2019-09-20 13:45:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 13:45:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-09-20 13:45:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-09-20 13:45:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:45:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:45:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-09-20 13:45:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-09-20 13:45:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interrupt_msg [2019-09-20 13:45:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-09-20 13:45:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-09-20 13:45:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:45:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-20 13:45:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 13:45:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-09-20 13:45:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-20 13:45:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:45:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:45:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:45:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:45:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:45:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-20 13:45:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:45:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:45:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:45:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:45:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:45:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:45:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-20 13:45:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-20 13:45:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-20 13:45:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-09-20 13:45:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-20 13:45:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-09-20 13:45:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:45:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-09-20 13:45:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-09-20 13:45:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-09-20 13:45:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:45:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:45:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:45:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:45:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:45:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:45:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:45:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:45:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:45:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:45:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-20 13:45:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-20 13:45:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:45:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:45:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:45:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:45:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:45:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2019-09-20 13:45:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2019-09-20 13:45:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 13:45:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-09-20 13:45:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-09-20 13:45:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-09-20 13:45:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-20 13:45:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-20 13:45:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-20 13:45:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-20 13:45:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:45:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:45:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:45:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev_of_p54u_priv [2019-09-20 13:45:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev_of_p54u_priv [2019-09-20 13:45:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:45:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:45:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:45:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-20 13:45:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:45:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:45:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:45:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-20 13:45:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-20 13:45:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-09-20 13:45:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-09-20 13:45:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:45:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:45:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:45:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-20 13:45:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-20 13:45:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:45:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:45:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:45:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2019-09-20 13:45:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2019-09-20 13:45:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-09-20 13:45:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:45:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 13:45:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-20 13:45:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-20 13:45:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:45:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-09-20 13:45:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-09-20 13:45:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2019-09-20 13:45:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-20 13:45:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-09-20 13:45:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:45:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2019-09-20 13:45:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:45:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2019-09-20 13:45:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-09-20 13:45:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-20 13:45:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 13:45:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:45:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 13:45:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-09-20 13:45:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-09-20 13:45:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-09-20 13:45:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interrupt_msg [2019-09-20 13:45:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-09-20 13:45:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:45:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:45:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2019-09-20 13:45:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-20 13:45:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-09-20 13:45:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-09-20 13:45:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-09-20 13:45:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-09-20 13:45:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-09-20 13:45:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2019-09-20 13:45:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-09-20 13:45:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2019-09-20 13:45:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-20 13:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-09-20 13:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-20 13:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-09-20 13:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-20 13:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-09-20 13:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2019-09-20 13:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-09-20 13:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-09-20 13:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-20 13:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-20 13:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2019-09-20 13:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2019-09-20 13:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_restart_hw [2019-09-20 13:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure p54_rx [2019-09-20 13:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2019-09-20 13:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure p54_parse_firmware [2019-09-20 13:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure p54_read_eeprom [2019-09-20 13:45:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure p54_init_common [2019-09-20 13:45:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure p54_register_common [2019-09-20 13:45:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2019-09-20 13:45:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure p54_unregister_common [2019-09-20 13:45:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2019-09-20 13:45:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_cb [2019-09-20 13:45:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_dummy_cb [2019-09-20 13:45:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2019-09-20 13:45:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2019-09-20 13:45:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_init_urbs [2019-09-20 13:45:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2019-09-20 13:45:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_lm87_chksum [2019-09-20 13:45:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_lm87 [2019-09-20 13:45:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_net2280 [2019-09-20 13:45:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2019-09-20 13:45:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2019-09-20 13:45:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2019-09-20 13:45:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_device_reset [2019-09-20 13:45:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_firmware_reset_3887 [2019-09-20 13:45:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_3887 [2019-09-20 13:45:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-20 13:45:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:45:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_net2280 [2019-09-20 13:45:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2019-09-20 13:45:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_start_ops [2019-09-20 13:45:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:45:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware_cb [2019-09-20 13:45:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware [2019-09-20 13:45:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_probe [2019-09-20 13:45:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2019-09-20 13:45:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2019-09-20 13:45:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2019-09-20 13:45:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2019-09-20 13:45:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_suspend [2019-09-20 13:45:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_init [2019-09-20 13:45:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_exit [2019-09-20 13:45:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:45:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:45:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:45:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:45:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-20 13:45:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:45:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 13:45:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 13:45:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 13:45:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-20 13:45:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-20 13:45:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-20 13:45:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-20 13:45:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-20 13:45:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-20 13:45:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-20 13:45:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-20 13:45:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-20 13:45:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:45:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:45:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-20 13:45:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:45:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-20 13:45:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-09-20 13:45:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-09-20 13:45:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-09-20 13:45:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-09-20 13:45:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:45:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:45:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:45:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:45:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-09-20 13:45:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-20 13:45:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-20 13:45:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-20 13:45:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev_of_p54u_priv [2019-09-20 13:45:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev_of_p54u_priv [2019-09-20 13:45:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev_of_p54u_priv [2019-09-20 13:45:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev_of_p54u_priv [2019-09-20 13:45:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev_of_p54u_priv [2019-09-20 13:45:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev_of_p54u_priv [2019-09-20 13:45:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev_of_p54u_priv [2019-09-20 13:45:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev_of_p54u_priv [2019-09-20 13:45:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev_of_p54u_priv [2019-09-20 13:45:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:45:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:45:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:45:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:45:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:45:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:45:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:45:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:45:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:45:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:45:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:45:18,117 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:45:23,373 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:45:23,374 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:45:23,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:45:23 BoogieIcfgContainer [2019-09-20 13:45:23,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:45:23,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:45:23,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:45:23,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:45:23,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:45:12" (1/3) ... [2019-09-20 13:45:23,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450bf793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:45:23, skipping insertion in model container [2019-09-20 13:45:23,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:16" (2/3) ... [2019-09-20 13:45:23,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450bf793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:45:23, skipping insertion in model container [2019-09-20 13:45:23,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:45:23" (3/3) ... [2019-09-20 13:45:23,388 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-09-20 13:45:23,398 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:45:23,411 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:45:23,428 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:45:23,457 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:45:23,457 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:45:23,457 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:45:23,457 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:45:23,457 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:45:23,457 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:45:23,457 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:45:23,458 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:45:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states. [2019-09-20 13:45:23,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-20 13:45:23,510 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:23,512 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:45:23,514 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:23,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:23,520 INFO L82 PathProgramCache]: Analyzing trace with hash -66644164, now seen corresponding path program 1 times [2019-09-20 13:45:23,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:23,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:23,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:23,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:23,623 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:45:24,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:24,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:24,364 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:24,369 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:24,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:24,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:24,384 INFO L87 Difference]: Start difference. First operand 1323 states. Second operand 3 states. [2019-09-20 13:45:24,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:24,854 INFO L93 Difference]: Finished difference Result 1728 states and 2272 transitions. [2019-09-20 13:45:24,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:24,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-09-20 13:45:24,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:24,900 INFO L225 Difference]: With dead ends: 1728 [2019-09-20 13:45:24,901 INFO L226 Difference]: Without dead ends: 1711 [2019-09-20 13:45:24,903 INFO L636 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 [2019-09-20 13:45:24,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2019-09-20 13:45:25,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1707. [2019-09-20 13:45:25,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-09-20 13:45:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2244 transitions. [2019-09-20 13:45:25,112 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2244 transitions. Word has length 54 [2019-09-20 13:45:25,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:25,113 INFO L475 AbstractCegarLoop]: Abstraction has 1707 states and 2244 transitions. [2019-09-20 13:45:25,113 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2244 transitions. [2019-09-20 13:45:25,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-20 13:45:25,119 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:25,119 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:45:25,120 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:25,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:25,120 INFO L82 PathProgramCache]: Analyzing trace with hash -435482671, now seen corresponding path program 1 times [2019-09-20 13:45:25,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:25,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:25,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:25,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:25,136 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:45:25,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:25,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:25,420 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:25,422 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:25,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:25,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:25,423 INFO L87 Difference]: Start difference. First operand 1707 states and 2244 transitions. Second operand 3 states. [2019-09-20 13:45:25,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:25,581 INFO L93 Difference]: Finished difference Result 1718 states and 2256 transitions. [2019-09-20 13:45:25,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:25,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-09-20 13:45:25,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:25,594 INFO L225 Difference]: With dead ends: 1718 [2019-09-20 13:45:25,594 INFO L226 Difference]: Without dead ends: 1718 [2019-09-20 13:45:25,596 INFO L636 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 [2019-09-20 13:45:25,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2019-09-20 13:45:25,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1707. [2019-09-20 13:45:25,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-09-20 13:45:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2243 transitions. [2019-09-20 13:45:25,673 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2243 transitions. Word has length 75 [2019-09-20 13:45:25,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:25,674 INFO L475 AbstractCegarLoop]: Abstraction has 1707 states and 2243 transitions. [2019-09-20 13:45:25,674 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:25,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2243 transitions. [2019-09-20 13:45:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-20 13:45:25,678 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:25,678 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:45:25,679 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:25,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:25,679 INFO L82 PathProgramCache]: Analyzing trace with hash -378224369, now seen corresponding path program 1 times [2019-09-20 13:45:25,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:25,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:25,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:25,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:25,692 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:45:26,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:26,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:26,106 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:26,107 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:26,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:26,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:26,108 INFO L87 Difference]: Start difference. First operand 1707 states and 2243 transitions. Second operand 3 states. [2019-09-20 13:45:26,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:26,151 INFO L93 Difference]: Finished difference Result 1706 states and 2241 transitions. [2019-09-20 13:45:26,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:26,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-09-20 13:45:26,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:26,167 INFO L225 Difference]: With dead ends: 1706 [2019-09-20 13:45:26,167 INFO L226 Difference]: Without dead ends: 1706 [2019-09-20 13:45:26,168 INFO L636 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 [2019-09-20 13:45:26,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2019-09-20 13:45:26,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2019-09-20 13:45:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2019-09-20 13:45:26,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2241 transitions. [2019-09-20 13:45:26,274 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2241 transitions. Word has length 75 [2019-09-20 13:45:26,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:26,275 INFO L475 AbstractCegarLoop]: Abstraction has 1706 states and 2241 transitions. [2019-09-20 13:45:26,275 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2241 transitions. [2019-09-20 13:45:26,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-20 13:45:26,283 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:26,284 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:45:26,284 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:26,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:26,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1159377338, now seen corresponding path program 1 times [2019-09-20 13:45:26,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:26,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:26,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:26,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:26,357 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:45:26,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:26,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:26,740 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:26,741 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:26,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:26,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:26,741 INFO L87 Difference]: Start difference. First operand 1706 states and 2241 transitions. Second operand 3 states. [2019-09-20 13:45:26,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:26,768 INFO L93 Difference]: Finished difference Result 1705 states and 2239 transitions. [2019-09-20 13:45:26,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:26,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-09-20 13:45:26,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:26,779 INFO L225 Difference]: With dead ends: 1705 [2019-09-20 13:45:26,779 INFO L226 Difference]: Without dead ends: 1705 [2019-09-20 13:45:26,780 INFO L636 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 [2019-09-20 13:45:26,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2019-09-20 13:45:26,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1705. [2019-09-20 13:45:26,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-09-20 13:45:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2239 transitions. [2019-09-20 13:45:26,835 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2239 transitions. Word has length 76 [2019-09-20 13:45:26,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:26,836 INFO L475 AbstractCegarLoop]: Abstraction has 1705 states and 2239 transitions. [2019-09-20 13:45:26,836 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2239 transitions. [2019-09-20 13:45:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-20 13:45:26,838 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:26,838 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:45:26,838 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:26,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:26,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1580394866, now seen corresponding path program 1 times [2019-09-20 13:45:26,839 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:26,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:26,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:26,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:26,850 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:45:27,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:27,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:27,152 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:27,152 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:27,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:27,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:27,153 INFO L87 Difference]: Start difference. First operand 1705 states and 2239 transitions. Second operand 3 states. [2019-09-20 13:45:27,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:27,187 INFO L93 Difference]: Finished difference Result 1704 states and 2237 transitions. [2019-09-20 13:45:27,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:27,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-09-20 13:45:27,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:27,199 INFO L225 Difference]: With dead ends: 1704 [2019-09-20 13:45:27,199 INFO L226 Difference]: Without dead ends: 1704 [2019-09-20 13:45:27,199 INFO L636 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 [2019-09-20 13:45:27,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2019-09-20 13:45:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1704. [2019-09-20 13:45:27,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2019-09-20 13:45:27,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2237 transitions. [2019-09-20 13:45:27,258 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2237 transitions. Word has length 77 [2019-09-20 13:45:27,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:27,258 INFO L475 AbstractCegarLoop]: Abstraction has 1704 states and 2237 transitions. [2019-09-20 13:45:27,258 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2237 transitions. [2019-09-20 13:45:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-20 13:45:27,260 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:27,260 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:45:27,261 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:27,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:27,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1747041213, now seen corresponding path program 1 times [2019-09-20 13:45:27,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:27,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:27,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:27,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:27,272 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:45:27,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:27,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:27,544 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:27,544 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:27,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:27,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:27,545 INFO L87 Difference]: Start difference. First operand 1704 states and 2237 transitions. Second operand 3 states. [2019-09-20 13:45:27,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:27,617 INFO L93 Difference]: Finished difference Result 3355 states and 4428 transitions. [2019-09-20 13:45:27,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:27,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-09-20 13:45:27,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:27,639 INFO L225 Difference]: With dead ends: 3355 [2019-09-20 13:45:27,640 INFO L226 Difference]: Without dead ends: 3337 [2019-09-20 13:45:27,640 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:27,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2019-09-20 13:45:27,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 3324. [2019-09-20 13:45:27,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3324 states. [2019-09-20 13:45:27,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 4397 transitions. [2019-09-20 13:45:27,777 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 4397 transitions. Word has length 78 [2019-09-20 13:45:27,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:27,781 INFO L475 AbstractCegarLoop]: Abstraction has 3324 states and 4397 transitions. [2019-09-20 13:45:27,781 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:27,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 4397 transitions. [2019-09-20 13:45:27,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-20 13:45:27,795 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:27,795 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:45:27,796 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:27,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:27,796 INFO L82 PathProgramCache]: Analyzing trace with hash 809204923, now seen corresponding path program 1 times [2019-09-20 13:45:27,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:27,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:27,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:27,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:27,811 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:45:28,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:28,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:28,138 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:28,139 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:28,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:28,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:28,140 INFO L87 Difference]: Start difference. First operand 3324 states and 4397 transitions. Second operand 3 states. [2019-09-20 13:45:28,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:28,323 INFO L93 Difference]: Finished difference Result 3414 states and 4513 transitions. [2019-09-20 13:45:28,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:28,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-09-20 13:45:28,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:28,343 INFO L225 Difference]: With dead ends: 3414 [2019-09-20 13:45:28,344 INFO L226 Difference]: Without dead ends: 3414 [2019-09-20 13:45:28,344 INFO L636 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 [2019-09-20 13:45:28,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3414 states. [2019-09-20 13:45:28,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3414 to 3378. [2019-09-20 13:45:28,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3378 states. [2019-09-20 13:45:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 3378 states and 4472 transitions. [2019-09-20 13:45:28,466 INFO L78 Accepts]: Start accepts. Automaton has 3378 states and 4472 transitions. Word has length 153 [2019-09-20 13:45:28,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:28,466 INFO L475 AbstractCegarLoop]: Abstraction has 3378 states and 4472 transitions. [2019-09-20 13:45:28,466 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:28,467 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 4472 transitions. [2019-09-20 13:45:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-09-20 13:45:28,474 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:28,475 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:45:28,475 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:28,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:28,476 INFO L82 PathProgramCache]: Analyzing trace with hash -229139875, now seen corresponding path program 1 times [2019-09-20 13:45:28,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:28,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:28,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:28,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:28,489 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:45:28,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:28,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:28,843 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:28,844 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:28,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:28,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:28,844 INFO L87 Difference]: Start difference. First operand 3378 states and 4472 transitions. Second operand 3 states. [2019-09-20 13:45:28,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:28,892 INFO L93 Difference]: Finished difference Result 3406 states and 4508 transitions. [2019-09-20 13:45:28,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:28,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-09-20 13:45:28,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:28,914 INFO L225 Difference]: With dead ends: 3406 [2019-09-20 13:45:28,914 INFO L226 Difference]: Without dead ends: 3406 [2019-09-20 13:45:28,915 INFO L636 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 [2019-09-20 13:45:28,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2019-09-20 13:45:29,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3402. [2019-09-20 13:45:29,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3402 states. [2019-09-20 13:45:29,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 3402 states and 4502 transitions. [2019-09-20 13:45:29,033 INFO L78 Accepts]: Start accepts. Automaton has 3402 states and 4502 transitions. Word has length 193 [2019-09-20 13:45:29,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:29,034 INFO L475 AbstractCegarLoop]: Abstraction has 3402 states and 4502 transitions. [2019-09-20 13:45:29,034 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:29,034 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 4502 transitions. [2019-09-20 13:45:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-09-20 13:45:29,042 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:29,042 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:45:29,042 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:29,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:29,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1670673370, now seen corresponding path program 1 times [2019-09-20 13:45:29,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:29,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:29,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:29,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:29,057 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:29,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:45:29,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:29,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:29,545 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:29,545 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:29,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:29,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:29,546 INFO L87 Difference]: Start difference. First operand 3402 states and 4502 transitions. Second operand 3 states. [2019-09-20 13:45:30,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:30,027 INFO L93 Difference]: Finished difference Result 3404 states and 4497 transitions. [2019-09-20 13:45:30,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:30,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2019-09-20 13:45:30,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:30,048 INFO L225 Difference]: With dead ends: 3404 [2019-09-20 13:45:30,048 INFO L226 Difference]: Without dead ends: 3404 [2019-09-20 13:45:30,049 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:30,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2019-09-20 13:45:30,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3399. [2019-09-20 13:45:30,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3399 states. [2019-09-20 13:45:30,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3399 states and 4493 transitions. [2019-09-20 13:45:30,161 INFO L78 Accepts]: Start accepts. Automaton has 3399 states and 4493 transitions. Word has length 217 [2019-09-20 13:45:30,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:30,162 INFO L475 AbstractCegarLoop]: Abstraction has 3399 states and 4493 transitions. [2019-09-20 13:45:30,162 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 4493 transitions. [2019-09-20 13:45:30,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-09-20 13:45:30,169 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:30,170 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:45:30,170 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:30,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:30,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1902485570, now seen corresponding path program 1 times [2019-09-20 13:45:30,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:30,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:30,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:30,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:30,183 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:45:30,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:30,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:45:30,774 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:30,774 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:45:30,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:45:30,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:45:30,775 INFO L87 Difference]: Start difference. First operand 3399 states and 4493 transitions. Second operand 10 states. [2019-09-20 13:45:30,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:30,963 INFO L93 Difference]: Finished difference Result 3402 states and 4484 transitions. [2019-09-20 13:45:30,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:45:30,964 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2019-09-20 13:45:30,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:30,986 INFO L225 Difference]: With dead ends: 3402 [2019-09-20 13:45:30,986 INFO L226 Difference]: Without dead ends: 3402 [2019-09-20 13:45:30,987 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:45:30,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2019-09-20 13:45:31,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3386. [2019-09-20 13:45:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-09-20 13:45:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4464 transitions. [2019-09-20 13:45:31,103 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4464 transitions. Word has length 222 [2019-09-20 13:45:31,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:31,104 INFO L475 AbstractCegarLoop]: Abstraction has 3386 states and 4464 transitions. [2019-09-20 13:45:31,104 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:45:31,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4464 transitions. [2019-09-20 13:45:31,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-09-20 13:45:31,117 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:31,117 INFO L407 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:45:31,117 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:31,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:31,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1422113346, now seen corresponding path program 1 times [2019-09-20 13:45:31,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:31,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:31,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:31,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:31,134 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:45:31,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:31,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:45:31,672 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:31,673 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:45:31,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:45:31,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:45:31,674 INFO L87 Difference]: Start difference. First operand 3386 states and 4464 transitions. Second operand 7 states. [2019-09-20 13:45:31,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:31,773 INFO L93 Difference]: Finished difference Result 3398 states and 4476 transitions. [2019-09-20 13:45:31,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:45:31,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 260 [2019-09-20 13:45:31,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:31,792 INFO L225 Difference]: With dead ends: 3398 [2019-09-20 13:45:31,792 INFO L226 Difference]: Without dead ends: 3398 [2019-09-20 13:45:31,793 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:45:31,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2019-09-20 13:45:31,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3386. [2019-09-20 13:45:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-09-20 13:45:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4462 transitions. [2019-09-20 13:45:31,888 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4462 transitions. Word has length 260 [2019-09-20 13:45:31,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:31,889 INFO L475 AbstractCegarLoop]: Abstraction has 3386 states and 4462 transitions. [2019-09-20 13:45:31,889 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:45:31,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4462 transitions. [2019-09-20 13:45:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-09-20 13:45:31,899 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:31,900 INFO L407 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:45:31,900 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:31,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:31,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1275835559, now seen corresponding path program 1 times [2019-09-20 13:45:31,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:31,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:31,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:31,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:31,914 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:45:32,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:32,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:32,282 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:32,283 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:32,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:32,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:32,284 INFO L87 Difference]: Start difference. First operand 3386 states and 4462 transitions. Second operand 3 states. [2019-09-20 13:45:32,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:32,314 INFO L93 Difference]: Finished difference Result 1746 states and 2282 transitions. [2019-09-20 13:45:32,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:32,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2019-09-20 13:45:32,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:32,315 INFO L225 Difference]: With dead ends: 1746 [2019-09-20 13:45:32,316 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:45:32,316 INFO L636 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 [2019-09-20 13:45:32,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:45:32,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:45:32,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:45:32,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:45:32,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 269 [2019-09-20 13:45:32,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:32,317 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:45:32,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:32,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:45:32,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:45:32,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:45:32 BoogieIcfgContainer [2019-09-20 13:45:32,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:45:32,326 INFO L168 Benchmark]: Toolchain (without parser) took 19945.16 ms. Allocated memory was 141.6 MB in the beginning and 734.0 MB in the end (delta: 592.4 MB). Free memory was 77.4 MB in the beginning and 375.0 MB in the end (delta: -297.6 MB). Peak memory consumption was 294.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:32,327 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:45:32,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3726.48 ms. Allocated memory was 141.6 MB in the beginning and 263.7 MB in the end (delta: 122.2 MB). Free memory was 77.2 MB in the beginning and 144.4 MB in the end (delta: -67.2 MB). Peak memory consumption was 116.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:32,329 INFO L168 Benchmark]: Boogie Preprocessor took 428.19 ms. Allocated memory is still 263.7 MB. Free memory was 144.4 MB in the beginning and 103.9 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:32,330 INFO L168 Benchmark]: RCFGBuilder took 6839.65 ms. Allocated memory was 263.7 MB in the beginning and 498.1 MB in the end (delta: 234.4 MB). Free memory was 103.9 MB in the beginning and 402.5 MB in the end (delta: -298.6 MB). Peak memory consumption was 232.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:32,330 INFO L168 Benchmark]: TraceAbstraction took 8946.04 ms. Allocated memory was 498.1 MB in the beginning and 734.0 MB in the end (delta: 235.9 MB). Free memory was 402.5 MB in the beginning and 375.0 MB in the end (delta: 27.5 MB). Peak memory consumption was 263.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:32,334 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3726.48 ms. Allocated memory was 141.6 MB in the beginning and 263.7 MB in the end (delta: 122.2 MB). Free memory was 77.2 MB in the beginning and 144.4 MB in the end (delta: -67.2 MB). Peak memory consumption was 116.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 428.19 ms. Allocated memory is still 263.7 MB. Free memory was 144.4 MB in the beginning and 103.9 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6839.65 ms. Allocated memory was 263.7 MB in the beginning and 498.1 MB in the end (delta: 234.4 MB). Free memory was 103.9 MB in the beginning and 402.5 MB in the end (delta: -298.6 MB). Peak memory consumption was 232.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8946.04 ms. Allocated memory was 498.1 MB in the beginning and 734.0 MB in the end (delta: 235.9 MB). Free memory was 402.5 MB in the beginning and 375.0 MB in the end (delta: 27.5 MB). Peak memory consumption was 263.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8931]: 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 188 procedures, 1486 locations, 1 error locations. SAFE Result, 8.8s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15370 SDtfs, 7984 SDslu, 21774 SDs, 0 SdLazy, 144 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3402occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 101 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1749 NumberOfCodeBlocks, 1749 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1737 ConstructedInterpolants, 0 QuantifiedInterpolants, 370947 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 207/207 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...