java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:21:09,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:21:09,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:21:09,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:21:09,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:21:09,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:21:09,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:21:09,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:21:09,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:21:09,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:21:09,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:21:09,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:21:09,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:21:09,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:21:09,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:21:09,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:21:09,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:21:09,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:21:09,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:21:09,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:21:09,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:21:09,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:21:09,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:21:09,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:21:09,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:21:09,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:21:09,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:21:09,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:21:09,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:21:09,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:21:09,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:21:09,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:21:09,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:21:09,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:21:09,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:21:09,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:21:09,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:21:09,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:21:09,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:21:09,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:21:09,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:21:09,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:21:09,900 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:21:09,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:21:09,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:21:09,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:21:09,905 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:21:09,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:21:09,905 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:21:09,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:21:09,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:21:09,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:21:09,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:21:09,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:21:09,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:21:09,907 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:21:09,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:21:09,907 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:21:09,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:21:09,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:21:09,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:21:09,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:21:09,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:21:09,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:21:09,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:21:09,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:21:09,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:21:09,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:21:09,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:21:09,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:21:09,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:21:09,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:21:09,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:21:09,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:21:09,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:21:09,985 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:21:09,985 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-09-20 13:21:10,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0ed7aec/d78818b4592f4017bfc72907e33a0754/FLAGd08f1bcc1 [2019-09-20 13:21:10,901 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:21:10,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-09-20 13:21:10,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0ed7aec/d78818b4592f4017bfc72907e33a0754/FLAGd08f1bcc1 [2019-09-20 13:21:11,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0ed7aec/d78818b4592f4017bfc72907e33a0754 [2019-09-20 13:21:11,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:21:11,406 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:21:11,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:21:11,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:21:11,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:21:11,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:21:11" (1/1) ... [2019-09-20 13:21:11,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cad09c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:11, skipping insertion in model container [2019-09-20 13:21:11,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:21:11" (1/1) ... [2019-09-20 13:21:11,421 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:21:11,564 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:21:13,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:21:13,773 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:21:14,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:21:14,532 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:21:14,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:14 WrapperNode [2019-09-20 13:21:14,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:21:14,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:21:14,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:21:14,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:21:14,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:14" (1/1) ... [2019-09-20 13:21:14,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:14" (1/1) ... [2019-09-20 13:21:14,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:14" (1/1) ... [2019-09-20 13:21:14,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:14" (1/1) ... [2019-09-20 13:21:14,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:14" (1/1) ... [2019-09-20 13:21:14,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:14" (1/1) ... [2019-09-20 13:21:14,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:14" (1/1) ... [2019-09-20 13:21:14,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:21:14,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:21:14,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:21:14,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:21:14,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:14" (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 13:21:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:21:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:21:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:21:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:21:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:21:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:21:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-20 13:21:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2019-09-20 13:21:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2019-09-20 13:21:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-09-20 13:21:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:21:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:21:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:21:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:21:14,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:21:14,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:21:14,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:21:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:21:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:21:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:21:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:21:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:21:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-09-20 13:21:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-09-20 13:21:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-09-20 13:21:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-09-20 13:21:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2019-09-20 13:21:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-09-20 13:21:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2019-09-20 13:21:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-09-20 13:21:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2019-09-20 13:21:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2019-09-20 13:21:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2019-09-20 13:21:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_cb [2019-09-20 13:21:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_dummy_cb [2019-09-20 13:21:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2019-09-20 13:21:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2019-09-20 13:21:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_init_urbs [2019-09-20 13:21:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2019-09-20 13:21:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_lm87_chksum [2019-09-20 13:21:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_lm87 [2019-09-20 13:21:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_net2280 [2019-09-20 13:21:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2019-09-20 13:21:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2019-09-20 13:21:14,904 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2019-09-20 13:21:14,904 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_device_reset [2019-09-20 13:21:14,904 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_firmware_reset_3887 [2019-09-20 13:21:14,904 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_3887 [2019-09-20 13:21:14,904 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_net2280 [2019-09-20 13:21:14,904 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2019-09-20 13:21:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_start_ops [2019-09-20 13:21:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware_cb [2019-09-20 13:21:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware [2019-09-20 13:21:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_probe [2019-09-20 13:21:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2019-09-20 13:21:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2019-09-20 13:21:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2019-09-20 13:21:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2019-09-20 13:21:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_suspend [2019-09-20 13:21:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_init [2019-09-20 13:21:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_exit [2019-09-20 13:21:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-20 13:21:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:21:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:21:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-09-20 13:21:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2019-09-20 13:21:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2019-09-20 13:21:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2019-09-20 13:21:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-09-20 13:21:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2019-09-20 13:21:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2019-09-20 13:21:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2019-09-20 13:21:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2019-09-20 13:21:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_12 [2019-09-20 13:21:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2019-09-20 13:21:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_14 [2019-09-20 13:21:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_17 [2019-09-20 13:21:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2019-09-20 13:21:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2019-09-20 13:21:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_20 [2019-09-20 13:21:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2019-09-20 13:21:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_22 [2019-09-20 13:21:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_23 [2019-09-20 13:21:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2019-09-20 13:21:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_26 [2019-09-20 13:21:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_30 [2019-09-20 13:21:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_31 [2019-09-20 13:21:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-20 13:21:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-20 13:21:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-20 13:21:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-20 13:21:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-20 13:21:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-20 13:21:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-20 13:21:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-20 13:21:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-20 13:21:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-20 13:21:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-20 13:21:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-20 13:21:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-20 13:21:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-20 13:21:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-20 13:21:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-20 13:21:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:21:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-20 13:21:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:21:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-20 13:21:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:21:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 13:21:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-20 13:21:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-20 13:21:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:21:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-20 13:21:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-09-20 13:21:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_restart_hw [2019-09-20 13:21:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-09-20 13:21:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-09-20 13:21:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:21:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-09-20 13:21:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-20 13:21:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:21:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2019-09-20 13:21:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2019-09-20 13:21:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_init_common [2019-09-20 13:21:14,924 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_parse_firmware [2019-09-20 13:21:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_read_eeprom [2019-09-20 13:21:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_register_common [2019-09-20 13:21:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_rx [2019-09-20 13:21:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_unregister_common [2019-09-20 13:21:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-20 13:21:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2019-09-20 13:21:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-20 13:21:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-09-20 13:21:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-20 13:21:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-09-20 13:21:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-09-20 13:21:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2019-09-20 13:21:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-09-20 13:21:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-09-20 13:21:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:21:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-09-20 13:21:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interrupt_msg [2019-09-20 13:21:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-09-20 13:21:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2019-09-20 13:21:14,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:21:14,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-20 13:21:14,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-09-20 13:21:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-20 13:21:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:21:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:21:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:21:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:21:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:21:14,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-20 13:21:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:21:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:21:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:21:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:21:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-20 13:21:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-20 13:21:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-20 13:21:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-09-20 13:21:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-20 13:21:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:21:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:21:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:21:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:21:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-09-20 13:21:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:21:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-20 13:21:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:21:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:21:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:21:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-20 13:21:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-20 13:21:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-20 13:21:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:21:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2019-09-20 13:21:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2019-09-20 13:21:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-09-20 13:21:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:21:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 13:21:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2019-09-20 13:21:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_23 [2019-09-20 13:21:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:21:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_22 [2019-09-20 13:21:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2019-09-20 13:21:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2019-09-20 13:21:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_26 [2019-09-20 13:21:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2019-09-20 13:21:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-20 13:21:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-09-20 13:21:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:21:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_30 [2019-09-20 13:21:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:21:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_31 [2019-09-20 13:21:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-09-20 13:21:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2019-09-20 13:21:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2019-09-20 13:21:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2019-09-20 13:21:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2019-09-20 13:21:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_14 [2019-09-20 13:21:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2019-09-20 13:21:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2019-09-20 13:21:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_12 [2019-09-20 13:21:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2019-09-20 13:21:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_20 [2019-09-20 13:21:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-09-20 13:21:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-09-20 13:21:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2019-09-20 13:21:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_17 [2019-09-20 13:21:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2019-09-20 13:21:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-09-20 13:21:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-09-20 13:21:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-09-20 13:21:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interrupt_msg [2019-09-20 13:21:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-09-20 13:21:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:21:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:21:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-20 13:21:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-20 13:21:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-20 13:21:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-20 13:21:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-20 13:21:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-20 13:21:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-20 13:21:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-20 13:21:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-20 13:21:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:21:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:21:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:21:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:21:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:21:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:21:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:21:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:21:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:21:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:21:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:21:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:21:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:21:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:21:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:21:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:21:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:21:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:21:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:21:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-20 13:21:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2019-09-20 13:21:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-20 13:21:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-09-20 13:21:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-09-20 13:21:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-09-20 13:21:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-09-20 13:21:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-09-20 13:21:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2019-09-20 13:21:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-09-20 13:21:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:21:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2019-09-20 13:21:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-20 13:21:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-09-20 13:21:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-20 13:21:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-09-20 13:21:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-20 13:21:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-09-20 13:21:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2019-09-20 13:21:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-09-20 13:21:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-20 13:21:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-20 13:21:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2019-09-20 13:21:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2019-09-20 13:21:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_restart_hw [2019-09-20 13:21:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure p54_rx [2019-09-20 13:21:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2019-09-20 13:21:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure p54_parse_firmware [2019-09-20 13:21:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure p54_read_eeprom [2019-09-20 13:21:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure p54_init_common [2019-09-20 13:21:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure p54_register_common [2019-09-20 13:21:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2019-09-20 13:21:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure p54_unregister_common [2019-09-20 13:21:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2019-09-20 13:21:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_cb [2019-09-20 13:21:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_dummy_cb [2019-09-20 13:21:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2019-09-20 13:21:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2019-09-20 13:21:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_init_urbs [2019-09-20 13:21:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2019-09-20 13:21:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_lm87_chksum [2019-09-20 13:21:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_lm87 [2019-09-20 13:21:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_net2280 [2019-09-20 13:21:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:21:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2019-09-20 13:21:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2019-09-20 13:21:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2019-09-20 13:21:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_device_reset [2019-09-20 13:21:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_firmware_reset_3887 [2019-09-20 13:21:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_3887 [2019-09-20 13:21:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-20 13:21:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:21:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_net2280 [2019-09-20 13:21:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2019-09-20 13:21:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_start_ops [2019-09-20 13:21:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:21:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware_cb [2019-09-20 13:21:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware [2019-09-20 13:21:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_probe [2019-09-20 13:21:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2019-09-20 13:21:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2019-09-20 13:21:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2019-09-20 13:21:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2019-09-20 13:21:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_suspend [2019-09-20 13:21:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_init [2019-09-20 13:21:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_exit [2019-09-20 13:21:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:21:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:21:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:21:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-20 13:21:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-20 13:21:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-20 13:21:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:21:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-20 13:21:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-20 13:21:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-20 13:21:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-20 13:21:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:21:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:21:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:21:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:21:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:21:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:21:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:21:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:21:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:21:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:21:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:21:16,098 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:21:40,446 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-20 13:21:41,280 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:21:41,281 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:21:41,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:21:41 BoogieIcfgContainer [2019-09-20 13:21:41,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:21:41,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:21:41,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:21:41,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:21:41,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:21:11" (1/3) ... [2019-09-20 13:21:41,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba579e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:21:41, skipping insertion in model container [2019-09-20 13:21:41,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:14" (2/3) ... [2019-09-20 13:21:41,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba579e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:21:41, skipping insertion in model container [2019-09-20 13:21:41,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:21:41" (3/3) ... [2019-09-20 13:21:41,295 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-09-20 13:21:41,306 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:21:41,318 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:21:41,335 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:21:41,379 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:21:41,380 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:21:41,380 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:21:41,380 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:21:41,380 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:21:41,381 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:21:41,381 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:21:41,381 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:21:41,381 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:21:41,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states. [2019-09-20 13:21:41,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-09-20 13:21:41,434 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:41,435 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] [2019-09-20 13:21:41,437 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:41,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:41,443 INFO L82 PathProgramCache]: Analyzing trace with hash -956714619, now seen corresponding path program 1 times [2019-09-20 13:21:41,445 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:41,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:41,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:41,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:41,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:42,153 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 13:21:42,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:42,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:42,161 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:42,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:42,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:42,179 INFO L87 Difference]: Start difference. First operand 1232 states. Second operand 3 states. [2019-09-20 13:21:44,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:44,586 INFO L93 Difference]: Finished difference Result 3077 states and 4071 transitions. [2019-09-20 13:21:44,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:44,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-09-20 13:21:44,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:44,631 INFO L225 Difference]: With dead ends: 3077 [2019-09-20 13:21:44,632 INFO L226 Difference]: Without dead ends: 2016 [2019-09-20 13:21:44,646 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 13:21:44,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2016 states. [2019-09-20 13:21:44,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2016 to 2016. [2019-09-20 13:21:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2016 states. [2019-09-20 13:21:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 2644 transitions. [2019-09-20 13:21:44,894 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 2644 transitions. Word has length 44 [2019-09-20 13:21:44,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:44,894 INFO L475 AbstractCegarLoop]: Abstraction has 2016 states and 2644 transitions. [2019-09-20 13:21:44,894 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:44,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2644 transitions. [2019-09-20 13:21:44,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-20 13:21:44,899 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:44,900 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:21:44,900 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:44,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:44,900 INFO L82 PathProgramCache]: Analyzing trace with hash 430186242, now seen corresponding path program 1 times [2019-09-20 13:21:44,900 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:44,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:44,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:44,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:44,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-20 13:21:45,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:45,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:45,137 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:45,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:45,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:45,138 INFO L87 Difference]: Start difference. First operand 2016 states and 2644 transitions. Second operand 3 states. [2019-09-20 13:21:45,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:45,309 INFO L93 Difference]: Finished difference Result 2042 states and 2676 transitions. [2019-09-20 13:21:45,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:45,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-20 13:21:45,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:45,324 INFO L225 Difference]: With dead ends: 2042 [2019-09-20 13:21:45,325 INFO L226 Difference]: Without dead ends: 2029 [2019-09-20 13:21:45,327 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 13:21:45,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2019-09-20 13:21:45,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 2016. [2019-09-20 13:21:45,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2016 states. [2019-09-20 13:21:45,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 2643 transitions. [2019-09-20 13:21:45,467 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 2643 transitions. Word has length 60 [2019-09-20 13:21:45,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:45,468 INFO L475 AbstractCegarLoop]: Abstraction has 2016 states and 2643 transitions. [2019-09-20 13:21:45,468 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2643 transitions. [2019-09-20 13:21:45,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-20 13:21:45,476 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:45,476 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:21:45,476 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:45,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:45,477 INFO L82 PathProgramCache]: Analyzing trace with hash 487444544, now seen corresponding path program 1 times [2019-09-20 13:21:45,477 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:45,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:45,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:45,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:45,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:45,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-20 13:21:45,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:45,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:45,778 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:45,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:45,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:45,779 INFO L87 Difference]: Start difference. First operand 2016 states and 2643 transitions. Second operand 3 states. [2019-09-20 13:21:46,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:46,001 INFO L93 Difference]: Finished difference Result 5995 states and 7956 transitions. [2019-09-20 13:21:46,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:46,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-20 13:21:46,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:46,027 INFO L225 Difference]: With dead ends: 5995 [2019-09-20 13:21:46,027 INFO L226 Difference]: Without dead ends: 4005 [2019-09-20 13:21:46,037 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 13:21:46,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4005 states. [2019-09-20 13:21:46,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4005 to 3995. [2019-09-20 13:21:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3995 states. [2019-09-20 13:21:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 3995 states and 5286 transitions. [2019-09-20 13:21:46,313 INFO L78 Accepts]: Start accepts. Automaton has 3995 states and 5286 transitions. Word has length 60 [2019-09-20 13:21:46,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:46,316 INFO L475 AbstractCegarLoop]: Abstraction has 3995 states and 5286 transitions. [2019-09-20 13:21:46,316 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:46,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3995 states and 5286 transitions. [2019-09-20 13:21:46,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:21:46,320 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:46,320 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:21:46,321 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:46,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:46,321 INFO L82 PathProgramCache]: Analyzing trace with hash -2069724177, now seen corresponding path program 1 times [2019-09-20 13:21:46,321 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:46,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:46,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:46,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:46,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:46,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-20 13:21:46,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:46,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:46,730 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:46,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:46,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:46,731 INFO L87 Difference]: Start difference. First operand 3995 states and 5286 transitions. Second operand 3 states. [2019-09-20 13:21:47,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:47,140 INFO L93 Difference]: Finished difference Result 11924 states and 16149 transitions. [2019-09-20 13:21:47,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:47,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-09-20 13:21:47,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:47,201 INFO L225 Difference]: With dead ends: 11924 [2019-09-20 13:21:47,201 INFO L226 Difference]: Without dead ends: 7955 [2019-09-20 13:21:47,226 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 13:21:47,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7955 states. [2019-09-20 13:21:47,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7955 to 7946. [2019-09-20 13:21:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7946 states. [2019-09-20 13:21:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7946 states to 7946 states and 10644 transitions. [2019-09-20 13:21:47,657 INFO L78 Accepts]: Start accepts. Automaton has 7946 states and 10644 transitions. Word has length 61 [2019-09-20 13:21:47,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:47,657 INFO L475 AbstractCegarLoop]: Abstraction has 7946 states and 10644 transitions. [2019-09-20 13:21:47,658 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 7946 states and 10644 transitions. [2019-09-20 13:21:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-20 13:21:47,661 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:47,662 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:21:47,662 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:47,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:47,662 INFO L82 PathProgramCache]: Analyzing trace with hash 262428963, now seen corresponding path program 1 times [2019-09-20 13:21:47,662 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:47,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:47,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:47,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:47,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-20 13:21:47,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:47,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:47,955 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:47,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:47,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:47,958 INFO L87 Difference]: Start difference. First operand 7946 states and 10644 transitions. Second operand 3 states. [2019-09-20 13:21:48,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:48,238 INFO L93 Difference]: Finished difference Result 7953 states and 10650 transitions. [2019-09-20 13:21:48,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:48,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2019-09-20 13:21:48,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:48,293 INFO L225 Difference]: With dead ends: 7953 [2019-09-20 13:21:48,294 INFO L226 Difference]: Without dead ends: 7950 [2019-09-20 13:21:48,300 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 13:21:48,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7950 states. [2019-09-20 13:21:49,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7950 to 7947. [2019-09-20 13:21:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7947 states. [2019-09-20 13:21:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7947 states to 7947 states and 10645 transitions. [2019-09-20 13:21:49,451 INFO L78 Accepts]: Start accepts. Automaton has 7947 states and 10645 transitions. Word has length 62 [2019-09-20 13:21:49,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:49,451 INFO L475 AbstractCegarLoop]: Abstraction has 7947 states and 10645 transitions. [2019-09-20 13:21:49,451 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 7947 states and 10645 transitions. [2019-09-20 13:21:49,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-20 13:21:49,453 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:49,453 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:21:49,453 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:49,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:49,454 INFO L82 PathProgramCache]: Analyzing trace with hash -455262862, now seen corresponding path program 1 times [2019-09-20 13:21:49,454 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:49,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:49,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:49,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:49,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:49,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-20 13:21:49,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:49,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:49,678 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:49,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:49,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:49,678 INFO L87 Difference]: Start difference. First operand 7947 states and 10645 transitions. Second operand 3 states. [2019-09-20 13:21:49,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:49,906 INFO L93 Difference]: Finished difference Result 7949 states and 10646 transitions. [2019-09-20 13:21:49,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:49,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2019-09-20 13:21:49,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:49,960 INFO L225 Difference]: With dead ends: 7949 [2019-09-20 13:21:49,961 INFO L226 Difference]: Without dead ends: 7946 [2019-09-20 13:21:49,967 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 13:21:49,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7946 states. [2019-09-20 13:21:50,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7946 to 7946. [2019-09-20 13:21:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7946 states. [2019-09-20 13:21:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7946 states to 7946 states and 10643 transitions. [2019-09-20 13:21:50,332 INFO L78 Accepts]: Start accepts. Automaton has 7946 states and 10643 transitions. Word has length 63 [2019-09-20 13:21:50,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:50,333 INFO L475 AbstractCegarLoop]: Abstraction has 7946 states and 10643 transitions. [2019-09-20 13:21:50,333 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 7946 states and 10643 transitions. [2019-09-20 13:21:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:21:50,335 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:50,335 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:21:50,336 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:50,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:50,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1228868090, now seen corresponding path program 1 times [2019-09-20 13:21:50,336 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:50,337 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:50,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:50,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:50,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY