java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 00:53:43,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:53:43,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:53:43,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:53:43,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:53:43,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:53:43,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:53:43,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:53:43,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:53:43,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:53:43,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:53:43,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:53:43,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:53:43,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:53:43,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:53:43,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:53:43,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:53:43,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:53:43,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:53:43,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:53:43,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:53:43,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:53:43,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:53:43,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:53:43,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:53:43,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:53:43,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:53:43,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:53:43,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:53:43,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:53:43,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:53:43,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:53:43,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:53:43,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:53:43,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:53:43,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:53:43,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:53:43,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:53:43,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:53:43,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:53:43,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:53:43,707 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 [2019-10-03 00:53:43,735 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:53:43,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:53:43,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:53:43,736 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:53:43,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:53:43,737 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:53:43,737 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:53:43,738 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:53:43,738 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:53:43,738 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:53:43,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:53:43,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:53:43,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:53:43,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:53:43,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:53:43,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:53:43,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:53:43,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:53:43,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:53:43,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:53:43,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:53:43,743 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:53:43,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:53:43,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:53:43,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:53:43,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:53:43,744 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:53:43,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:53:43,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:53:43,745 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:53:43,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:53:43,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:53:43,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:53:43,811 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:53:43,812 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:53:43,812 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2019-10-03 00:53:43,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06248e204/0d5b2fe10228496d92b622568fee9578/FLAG31445eb74 [2019-10-03 00:53:44,776 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:53:44,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2019-10-03 00:53:44,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06248e204/0d5b2fe10228496d92b622568fee9578/FLAG31445eb74 [2019-10-03 00:53:45,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06248e204/0d5b2fe10228496d92b622568fee9578 [2019-10-03 00:53:45,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:53:45,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:53:45,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:53:45,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:53:45,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:53:45,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:53:45" (1/1) ... [2019-10-03 00:53:45,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d469f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:45, skipping insertion in model container [2019-10-03 00:53:45,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:53:45" (1/1) ... [2019-10-03 00:53:45,250 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:53:45,451 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:53:48,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:53:48,211 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:53:48,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:53:49,066 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:53:49,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:49 WrapperNode [2019-10-03 00:53:49,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:53:49,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:53:49,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:53:49,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:53:49,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:49" (1/1) ... [2019-10-03 00:53:49,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:49" (1/1) ... [2019-10-03 00:53:49,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:49" (1/1) ... [2019-10-03 00:53:49,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:49" (1/1) ... [2019-10-03 00:53:49,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:49" (1/1) ... [2019-10-03 00:53:49,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:49" (1/1) ... [2019-10-03 00:53:49,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:49" (1/1) ... [2019-10-03 00:53:49,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:53:49,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:53:49,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:53:49,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:53:49,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:53:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:53:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:53:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-03 00:53:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 00:53:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-10-03 00:53:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 00:53:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-03 00:53:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 00:53:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-03 00:53:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-03 00:53:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-03 00:53:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-03 00:53:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-03 00:53:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-10-03 00:53:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:53:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:53:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:53:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:53:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:53:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:53:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:53:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:53:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:53:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-03 00:53:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-03 00:53:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-03 00:53:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-03 00:53:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-10-03 00:53:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-03 00:53:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-03 00:53:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-03 00:53:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-03 00:53:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-03 00:53:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-03 00:53:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-03 00:53:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-10-03 00:53:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-10-03 00:53:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-10-03 00:53:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal_64bits [2019-10-03 00:53:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_probe_resp [2019-10-03 00:53:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2019-10-03 00:53:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2019-10-03 00:53:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2019-10-03 00:53:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2019-10-03 00:53:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2019-10-03 00:53:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2019-10-03 00:53:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2019-10-03 00:53:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2019-10-03 00:53:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_intersil [2019-10-03 00:53:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_503rfmd [2019-10-03 00:53:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2019-10-03 00:53:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_int_fw_block [2019-10-03 00:53:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2019-10-03 00:53:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_state [2019-10-03 00:53:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2019-10-03 00:53:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_usbdfu_download [2019-10-03 00:53:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_ledtrig_tx_timerfunc [2019-10-03 00:53:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_ledtrig_tx_activity [2019-10-03 00:53:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remap [2019-10-03 00:53:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2019-10-03 00:53:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_ext_fw_block [2019-10-03 00:53:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2019-10-03 00:53:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg_intersil [2019-10-03 00:53:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_config [2019-10-03 00:53:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_reg_domain [2019-10-03 00:53:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2019-10-03 00:53:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2019-10-03 00:53:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_string [2019-10-03 00:53:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2019-10-03 00:53:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status_string [2019-10-03 00:53:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2019-10-03 00:53:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2019-10-03 00:53:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2019-10-03 00:53:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2019-10-03 00:53:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_preamble [2019-10-03 00:53:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_frag [2019-10-03 00:53:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_rts [2019-10-03 00:53:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_autorate_fallback [2019-10-03 00:53:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac_addr [2019-10-03 00:53:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac_wep [2019-10-03 00:53:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac_mgmt [2019-10-03 00:53:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mac [2019-10-03 00:53:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_phy [2019-10-03 00:53:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_local [2019-10-03 00:53:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dump_mib_mdomain [2019-10-03 00:53:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2019-10-03 00:53:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_calc_padding [2019-10-03 00:53:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_rx_callback [2019-10-03 00:53:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2019-10-03 00:53:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_external_fw [2019-10-03 00:53:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_internal_fw [2019-10-03 00:53:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_startup_device [2019-10-03 00:53:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_work_set_promisc [2019-10-03 00:53:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_work_submit_rx [2019-10-03 00:53:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_guess_freq [2019-10-03 00:53:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_rx_tasklet [2019-10-03 00:53:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_load_firmware [2019-10-03 00:53:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2019-10-03 00:53:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_work_join_bssid [2019-10-03 00:53:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx_callback [2019-10-03 00:53:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2019-10-03 00:53:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_start [2019-10-03 00:53:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_stop [2019-10-03 00:53:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2019-10-03 00:53:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2019-10-03 00:53:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dwork_hw_scan [2019-10-03 00:53:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2019-10-03 00:53:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2019-10-03 00:53:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2019-10-03 00:53:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2019-10-03 00:53:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_wep [2019-10-03 00:53:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2019-10-03 00:53:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_alloc_new_device [2019-10-03 00:53:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_alloc_urbs [2019-10-03 00:53:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_init_new_device [2019-10-03 00:53:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2019-10-03 00:53:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_probe [2019-10-03 00:53:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_disconnect [2019-10-03 00:53:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mod_init [2019-10-03 00:53:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mod_exit [2019-10-03 00:53:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-03 00:53:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ieee80211_ops_2 [2019-10-03 00:53:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:53:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-03 00:53:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-03 00:53:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-03 00:53:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-03 00:53:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-03 00:53:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2019-10-03 00:53:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-03 00:53:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2019-10-03 00:53:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2019-10-03 00:53:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-03 00:53:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-03 00:53:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-03 00:53:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-03 00:53:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-03 00:53:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:53:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:53:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:53:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:53:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-03 00:53:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:53:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-03 00:53:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-03 00:53:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-03 00:53:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-03 00:53:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-03 00:53:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:53:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-03 00:53:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-03 00:53:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-03 00:53:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-03 00:53:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-03 00:53:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2019-10-03 00:53:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-03 00:53:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_find_ie [2019-10-03 00:53:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-03 00:53:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-03 00:53:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-03 00:53:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_alloc_hw [2019-10-03 00:53:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2019-10-03 00:53:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2019-10-03 00:53:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2019-10-03 00:53:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2019-10-03 00:53:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_register_hw [2019-10-03 00:53:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_rx_irqsafe [2019-10-03 00:53:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_scan_completed [2019-10-03 00:53:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2019-10-03 00:53:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2019-10-03 00:53:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2019-10-03 00:53:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2019-10-03 00:53:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-03 00:53:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2019-10-03 00:53:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_register_simple [2019-10-03 00:53:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_unregister_simple [2019-10-03 00:53:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-03 00:53:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-03 00:53:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-03 00:53:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-03 00:53:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 00:53:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-10-03 00:53:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:53:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-03 00:53:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-03 00:53:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-10-03 00:53:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-03 00:53:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-03 00:53:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-03 00:53:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-03 00:53:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-10-03 00:53:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-10-03 00:53:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-03 00:53:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-03 00:53:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-03 00:53:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-03 00:53:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-10-03 00:53:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-03 00:53:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-10-03 00:53:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-03 00:53:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-10-03 00:53:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-03 00:53:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-03 00:53:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:53:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:53:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 00:53:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:53:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 00:53:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:53:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:53:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:53:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-03 00:53:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:53:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-10-03 00:53:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-03 00:53:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 00:53:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:53:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-03 00:53:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 00:53:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 00:53:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-03 00:53:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-03 00:53:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-03 00:53:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 00:53:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-03 00:53:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-03 00:53:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-10-03 00:53:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:53:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-03 00:53:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-03 00:53:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-03 00:53:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-03 00:53:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-03 00:53:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2019-10-03 00:53:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:53:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:53:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 00:53:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-03 00:53:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 00:53:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-03 00:53:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-03 00:53:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-03 00:53:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-03 00:53:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-03 00:53:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-03 00:53:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-10-03 00:53:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-03 00:53:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-03 00:53:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-03 00:53:49,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-03 00:53:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-03 00:53:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-03 00:53:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-03 00:53:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:53:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-03 00:53:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-03 00:53:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-03 00:53:49,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-03 00:53:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-10-03 00:53:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-03 00:53:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2019-10-03 00:53:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-03 00:53:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-03 00:53:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:53:49,800 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:53:49,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:53:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-10-03 00:53:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-03 00:53:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:53:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:53:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:53:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:53:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:53:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:53:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:53:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:53:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:53:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:53:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:53:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:53:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-03 00:53:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ieee80211_ops_2 [2019-10-03 00:53:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-03 00:53:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-03 00:53:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-03 00:53:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-03 00:53:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-10-03 00:53:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-03 00:53:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-03 00:53:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-10-03 00:53:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-10-03 00:53:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-03 00:53:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-03 00:53:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-03 00:53:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-10-03 00:53:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-10-03 00:53:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-10-03 00:53:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-03 00:53:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2019-10-03 00:53:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-03 00:53:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2019-10-03 00:53:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-03 00:53:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:53:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-03 00:53:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-03 00:53:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-03 00:53:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-03 00:53:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-03 00:53:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-03 00:53:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-03 00:53:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-03 00:53:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-10-03 00:53:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-10-03 00:53:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-10-03 00:53:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal_64bits [2019-10-03 00:53:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-03 00:53:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-03 00:53:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_register_simple [2019-10-03 00:53:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_unregister_simple [2019-10-03 00:53:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2019-10-03 00:53:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_probe_resp [2019-10-03 00:53:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2019-10-03 00:53:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2019-10-03 00:53:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2019-10-03 00:53:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2019-10-03 00:53:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_find_ie [2019-10-03 00:53:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2019-10-03 00:53:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2019-10-03 00:53:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2019-10-03 00:53:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2019-10-03 00:53:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 00:53:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2019-10-03 00:53:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_alloc_hw [2019-10-03 00:53:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_register_hw [2019-10-03 00:53:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2019-10-03 00:53:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2019-10-03 00:53:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_rx_irqsafe [2019-10-03 00:53:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2019-10-03 00:53:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2019-10-03 00:53:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2019-10-03 00:53:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_scan_completed [2019-10-03 00:53:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2019-10-03 00:53:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2019-10-03 00:53:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_intersil [2019-10-03 00:53:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_503rfmd [2019-10-03 00:53:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2019-10-03 00:53:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_int_fw_block [2019-10-03 00:53:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2019-10-03 00:53:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_state [2019-10-03 00:53:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2019-10-03 00:53:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure at76_usbdfu_download [2019-10-03 00:53:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure at76_ledtrig_tx_timerfunc [2019-10-03 00:53:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure at76_ledtrig_tx_activity [2019-10-03 00:53:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remap [2019-10-03 00:53:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2019-10-03 00:53:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_ext_fw_block [2019-10-03 00:53:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2019-10-03 00:53:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg_intersil [2019-10-03 00:53:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_config [2019-10-03 00:53:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_reg_domain [2019-10-03 00:53:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:53:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2019-10-03 00:53:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2019-10-03 00:53:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_string [2019-10-03 00:53:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2019-10-03 00:53:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status_string [2019-10-03 00:53:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2019-10-03 00:53:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2019-10-03 00:53:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2019-10-03 00:53:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2019-10-03 00:53:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_preamble [2019-10-03 00:53:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_frag [2019-10-03 00:53:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_rts [2019-10-03 00:53:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_autorate_fallback [2019-10-03 00:53:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac_addr [2019-10-03 00:53:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac_wep [2019-10-03 00:53:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac_mgmt [2019-10-03 00:53:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mac [2019-10-03 00:53:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_phy [2019-10-03 00:53:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_local [2019-10-03 00:53:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dump_mib_mdomain [2019-10-03 00:53:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2019-10-03 00:53:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 00:53:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure at76_calc_padding [2019-10-03 00:53:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure at76_rx_callback [2019-10-03 00:53:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2019-10-03 00:53:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_external_fw [2019-10-03 00:53:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_internal_fw [2019-10-03 00:53:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure at76_startup_device [2019-10-03 00:53:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure at76_work_set_promisc [2019-10-03 00:53:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure at76_work_submit_rx [2019-10-03 00:53:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure at76_guess_freq [2019-10-03 00:53:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure at76_rx_tasklet [2019-10-03 00:53:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure at76_load_firmware [2019-10-03 00:53:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2019-10-03 00:53:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure at76_work_join_bssid [2019-10-03 00:53:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx_callback [2019-10-03 00:53:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2019-10-03 00:53:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_start [2019-10-03 00:53:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_stop [2019-10-03 00:53:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2019-10-03 00:53:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2019-10-03 00:53:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dwork_hw_scan [2019-10-03 00:53:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2019-10-03 00:53:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2019-10-03 00:53:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2019-10-03 00:53:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2019-10-03 00:53:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_wep [2019-10-03 00:53:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2019-10-03 00:53:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure at76_alloc_new_device [2019-10-03 00:53:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure at76_alloc_urbs [2019-10-03 00:53:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure at76_init_new_device [2019-10-03 00:53:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2019-10-03 00:53:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure at76_probe [2019-10-03 00:53:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure at76_disconnect [2019-10-03 00:53:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mod_init [2019-10-03 00:53:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mod_exit [2019-10-03 00:53:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:53:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:53:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:53:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-03 00:53:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-03 00:53:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-03 00:53:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-03 00:53:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-03 00:53:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:53:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:53:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:53:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:53:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-03 00:53:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-03 00:53:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-03 00:53:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-03 00:53:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 00:53:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:53:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-03 00:53:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:53:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:53:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:53:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:53:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:53:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 00:53:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 00:53:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 00:53:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 00:53:51,633 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:55:20,388 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:55:20,388 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 00:55:20,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:55:20 BoogieIcfgContainer [2019-10-03 00:55:20,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:55:20,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:55:20,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:55:20,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:55:20,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:53:45" (1/3) ... [2019-10-03 00:55:20,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8007e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:55:20, skipping insertion in model container [2019-10-03 00:55:20,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:49" (2/3) ... [2019-10-03 00:55:20,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8007e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:55:20, skipping insertion in model container [2019-10-03 00:55:20,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:55:20" (3/3) ... [2019-10-03 00:55:20,400 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2019-10-03 00:55:20,410 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:55:20,430 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 00:55:20,446 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 00:55:20,468 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:55:20,468 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:55:20,468 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:55:20,468 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:55:20,468 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:55:20,468 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:55:20,468 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:55:20,469 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:55:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states. [2019-10-03 00:55:20,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-03 00:55:20,542 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:55:20,544 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2019-10-03 00:55:20,546 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:55:20,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:20,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1933112101, now seen corresponding path program 1 times [2019-10-03 00:55:20,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:55:20,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:20,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:55:20,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:20,711 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:55:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:55:22,029 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-10-03 00:55:22,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:55:22,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:55:22,032 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:55:22,038 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:55:22,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:55:22,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:55:22,056 INFO L87 Difference]: Start difference. First operand 1864 states. Second operand 3 states. [2019-10-03 00:55:25,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:55:25,486 INFO L93 Difference]: Finished difference Result 3271 states and 4436 transitions. [2019-10-03 00:55:25,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:55:25,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2019-10-03 00:55:25,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:55:25,551 INFO L225 Difference]: With dead ends: 3271 [2019-10-03 00:55:25,552 INFO L226 Difference]: Without dead ends: 3252 [2019-10-03 00:55:25,553 INFO L640 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 [2019-10-03 00:55:25,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2019-10-03 00:55:25,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3252. [2019-10-03 00:55:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3252 states. [2019-10-03 00:55:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4407 transitions. [2019-10-03 00:55:25,815 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4407 transitions. Word has length 110 [2019-10-03 00:55:25,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:55:25,817 INFO L475 AbstractCegarLoop]: Abstraction has 3252 states and 4407 transitions. [2019-10-03 00:55:25,821 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:55:25,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4407 transitions. [2019-10-03 00:55:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-03 00:55:25,851 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:55:25,851 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2019-10-03 00:55:25,852 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:55:25,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:25,852 INFO L82 PathProgramCache]: Analyzing trace with hash 2092944254, now seen corresponding path program 1 times [2019-10-03 00:55:25,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:55:25,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:25,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:55:25,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:25,876 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:55:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:55:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2019-10-03 00:55:26,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:55:26,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:55:26,617 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:55:26,619 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:55:26,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:55:26,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:55:26,620 INFO L87 Difference]: Start difference. First operand 3252 states and 4407 transitions. Second operand 6 states. [2019-10-03 00:55:33,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:55:33,821 INFO L93 Difference]: Finished difference Result 6476 states and 8796 transitions. [2019-10-03 00:55:33,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 00:55:33,822 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2019-10-03 00:55:33,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:55:33,871 INFO L225 Difference]: With dead ends: 6476 [2019-10-03 00:55:33,871 INFO L226 Difference]: Without dead ends: 6441 [2019-10-03 00:55:33,872 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 00:55:33,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6441 states. [2019-10-03 00:55:34,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6441 to 6441. [2019-10-03 00:55:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6441 states. [2019-10-03 00:55:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6441 states to 6441 states and 8758 transitions. [2019-10-03 00:55:34,104 INFO L78 Accepts]: Start accepts. Automaton has 6441 states and 8758 transitions. Word has length 128 [2019-10-03 00:55:34,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:55:34,105 INFO L475 AbstractCegarLoop]: Abstraction has 6441 states and 8758 transitions. [2019-10-03 00:55:34,105 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:55:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 6441 states and 8758 transitions. [2019-10-03 00:55:34,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-03 00:55:34,118 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:55:34,119 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-10-03 00:55:34,119 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:55:34,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:34,120 INFO L82 PathProgramCache]: Analyzing trace with hash 2124337163, now seen corresponding path program 1 times [2019-10-03 00:55:34,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:55:34,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:34,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:55:34,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:34,142 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:55:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:55:34,701 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2019-10-03 00:55:34,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:55:34,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:55:34,702 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:55:34,703 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:55:34,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:55:34,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:55:34,703 INFO L87 Difference]: Start difference. First operand 6441 states and 8758 transitions. Second operand 3 states. [2019-10-03 00:55:36,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:55:36,063 INFO L93 Difference]: Finished difference Result 9463 states and 12713 transitions. [2019-10-03 00:55:36,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:55:36,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-10-03 00:55:36,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:55:36,125 INFO L225 Difference]: With dead ends: 9463 [2019-10-03 00:55:36,126 INFO L226 Difference]: Without dead ends: 9463 [2019-10-03 00:55:36,126 INFO L640 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 [2019-10-03 00:55:36,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9463 states. [2019-10-03 00:55:36,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9463 to 9425. [2019-10-03 00:55:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9425 states. [2019-10-03 00:55:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9425 states to 9425 states and 12675 transitions. [2019-10-03 00:55:36,431 INFO L78 Accepts]: Start accepts. Automaton has 9425 states and 12675 transitions. Word has length 188 [2019-10-03 00:55:36,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:55:36,432 INFO L475 AbstractCegarLoop]: Abstraction has 9425 states and 12675 transitions. [2019-10-03 00:55:36,432 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:55:36,433 INFO L276 IsEmpty]: Start isEmpty. Operand 9425 states and 12675 transitions. [2019-10-03 00:55:36,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-10-03 00:55:36,453 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:55:36,454 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2019-10-03 00:55:36,455 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:55:36,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:36,455 INFO L82 PathProgramCache]: Analyzing trace with hash -558867834, now seen corresponding path program 1 times [2019-10-03 00:55:36,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:55:36,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:36,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:55:36,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:36,481 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:55:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:55:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2019-10-03 00:55:37,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:55:37,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:55:37,073 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:55:37,074 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:55:37,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:55:37,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:55:37,075 INFO L87 Difference]: Start difference. First operand 9425 states and 12675 transitions. Second operand 3 states. [2019-10-03 00:55:39,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:55:39,788 INFO L93 Difference]: Finished difference Result 13449 states and 18158 transitions. [2019-10-03 00:55:39,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:55:39,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2019-10-03 00:55:39,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:55:39,874 INFO L225 Difference]: With dead ends: 13449 [2019-10-03 00:55:39,874 INFO L226 Difference]: Without dead ends: 13449 [2019-10-03 00:55:39,875 INFO L640 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 [2019-10-03 00:55:39,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13449 states. [2019-10-03 00:55:40,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13449 to 13401. [2019-10-03 00:55:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13401 states. [2019-10-03 00:55:40,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13401 states to 13401 states and 18105 transitions. [2019-10-03 00:55:40,251 INFO L78 Accepts]: Start accepts. Automaton has 13401 states and 18105 transitions. Word has length 219 [2019-10-03 00:55:40,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:55:40,252 INFO L475 AbstractCegarLoop]: Abstraction has 13401 states and 18105 transitions. [2019-10-03 00:55:40,252 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:55:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 13401 states and 18105 transitions. [2019-10-03 00:55:40,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-03 00:55:40,280 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:55:40,281 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:55:40,281 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:55:40,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:40,281 INFO L82 PathProgramCache]: Analyzing trace with hash 941466123, now seen corresponding path program 1 times [2019-10-03 00:55:40,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:55:40,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:40,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:55:40,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:40,303 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:55:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:55:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2019-10-03 00:55:42,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:55:42,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:55:42,126 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:55:42,127 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:55:42,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:55:42,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:55:42,128 INFO L87 Difference]: Start difference. First operand 13401 states and 18105 transitions. Second operand 5 states. [2019-10-03 00:55:42,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:55:42,237 INFO L93 Difference]: Finished difference Result 13455 states and 18172 transitions. [2019-10-03 00:55:42,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 00:55:42,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-10-03 00:55:42,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:55:42,310 INFO L225 Difference]: With dead ends: 13455 [2019-10-03 00:55:42,310 INFO L226 Difference]: Without dead ends: 13455 [2019-10-03 00:55:42,311 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:55:42,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13455 states. [2019-10-03 00:55:42,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13455 to 13441. [2019-10-03 00:55:42,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13441 states. [2019-10-03 00:55:42,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13441 states to 13441 states and 18151 transitions. [2019-10-03 00:55:42,690 INFO L78 Accepts]: Start accepts. Automaton has 13441 states and 18151 transitions. Word has length 232 [2019-10-03 00:55:42,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:55:42,692 INFO L475 AbstractCegarLoop]: Abstraction has 13441 states and 18151 transitions. [2019-10-03 00:55:42,692 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:55:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand 13441 states and 18151 transitions. [2019-10-03 00:55:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-03 00:55:42,723 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:55:42,724 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:55:42,724 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:55:42,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:42,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1283623630, now seen corresponding path program 1 times [2019-10-03 00:55:42,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:55:42,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:42,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:55:42,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:42,750 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:55:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:55:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-10-03 00:55:43,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:55:43,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:55:43,702 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:55:43,703 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:55:43,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:55:43,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:55:43,704 INFO L87 Difference]: Start difference. First operand 13441 states and 18151 transitions. Second operand 6 states. [2019-10-03 00:55:48,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:55:48,677 INFO L93 Difference]: Finished difference Result 13480 states and 18195 transitions. [2019-10-03 00:55:48,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:55:48,678 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2019-10-03 00:55:48,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:55:48,733 INFO L225 Difference]: With dead ends: 13480 [2019-10-03 00:55:48,733 INFO L226 Difference]: Without dead ends: 13466 [2019-10-03 00:55:48,734 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:55:48,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13466 states. [2019-10-03 00:55:49,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13466 to 13452. [2019-10-03 00:55:49,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13452 states. [2019-10-03 00:55:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13452 states to 13452 states and 18164 transitions. [2019-10-03 00:55:49,062 INFO L78 Accepts]: Start accepts. Automaton has 13452 states and 18164 transitions. Word has length 238 [2019-10-03 00:55:49,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:55:49,063 INFO L475 AbstractCegarLoop]: Abstraction has 13452 states and 18164 transitions. [2019-10-03 00:55:49,063 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:55:49,063 INFO L276 IsEmpty]: Start isEmpty. Operand 13452 states and 18164 transitions. [2019-10-03 00:55:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-03 00:55:49,087 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:55:49,087 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:55:49,088 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:55:49,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:49,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1828496204, now seen corresponding path program 1 times [2019-10-03 00:55:49,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:55:49,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:49,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:55:49,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:49,106 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:55:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:55:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-10-03 00:55:49,819 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 00:55:49,819 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 00:55:49,820 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2019-10-03 00:55:49,824 INFO L207 CegarAbsIntRunner]: [53], [55], [56], [139], [140], [192], [198], [199], [202], [204], [206], [207], [241], [245], [248], [250], [253], [292], [296], [297], [379], [381], [382], [386], [388], [392], [394], [395], [531], [532], [535], [551], [553], [554], [555], [561], [562], [569], [570], [615], [618], [624], [627], [636], [637], [1446], [1447], [1522], [1523], [1548], [1549], [1638], [1641], [1642], [1644], [1645], [1811], [1812], [1813], [2278], [2280], [2290], [2292], [2293], [2755], [2757], [2759], [2761], [2763], [2765], [2767], [2769], [2771], [2774], [2776], [2778], [2830], [2833], [2836], [2839], [2842], [2844], [2848], [2851], [2854], [2856], [2859], [2861], [2869], [2888], [2921], [2924], [2927], [2930], [2933], [2935], [2938], [3155], [3158], [3163], [3166], [3167], [3170], [3179], [3184], [3196], [3200], [3268], [3269], [3270], [3271], [3278], [3279], [3400], [3402], [3404], [3405], [3572], [3574], [3579], [3682], [3683], [3718], [3719], [3720], [3721], [3738], [3739], [3772], [3773], [3776], [3777], [3778], [3779], [3824], [3825], [3842], [3843], [3844], [3845], [3850], [3851], [4042], [4043], [4082], [4083], [4210], [4211], [4214], [4215], [4324], [4325], [4326], [4327], [4328], [4329], [4330], [4331], [4332], [4333], [4334], [4335], [4336], [4337], [4338], [4339], [4340], [4341], [4342], [4343], [4344], [4345], [4352], [4353], [4354], [4355], [4356], [4357], [4364], [4365], [4404], [4406], [4407], [4408], [4409], [4410], [4411], [4444], [4445], [4446], [4447], [4504], [4505], [4506], [4508], [4509], [4510] [2019-10-03 00:55:49,903 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 00:55:49,903 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 00:55:50,455 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 00:55:50,457 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 628 root evaluator evaluations with a maximum evaluation depth of 0. Performed 628 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 1250 variables. [2019-10-03 00:55:50,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:50,463 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 00:55:50,637 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 00:55:50,637 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 00:55:50,649 INFO L420 sIntCurrentIteration]: We unified 237 AI predicates to 237 [2019-10-03 00:55:50,649 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 00:55:50,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 00:55:50,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-10-03 00:55:50,651 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:55:50,652 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 00:55:50,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 00:55:50,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:55:50,654 INFO L87 Difference]: Start difference. First operand 13452 states and 18164 transitions. Second operand 2 states. [2019-10-03 00:55:50,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:55:50,655 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 00:55:50,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 00:55:50,656 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 238 [2019-10-03 00:55:50,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:55:50,656 INFO L225 Difference]: With dead ends: 2 [2019-10-03 00:55:50,656 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:55:50,657 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:55:50,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:55:50,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:55:50,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:55:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:55:50,658 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2019-10-03 00:55:50,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:55:50,658 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:55:50,659 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 00:55:50,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:55:50,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:55:50,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:55:50 BoogieIcfgContainer [2019-10-03 00:55:50,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:55:50,669 INFO L168 Benchmark]: Toolchain (without parser) took 125435.38 ms. Allocated memory was 139.5 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 73.1 MB in the beginning and 616.4 MB in the end (delta: -543.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-10-03 00:55:50,671 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-03 00:55:50,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3833.23 ms. Allocated memory was 139.5 MB in the beginning and 271.1 MB in the end (delta: 131.6 MB). Free memory was 72.7 MB in the beginning and 72.2 MB in the end (delta: 459.4 kB). Peak memory consumption was 132.1 MB. Max. memory is 7.1 GB. [2019-10-03 00:55:50,675 INFO L168 Benchmark]: Boogie Preprocessor took 598.02 ms. Allocated memory was 271.1 MB in the beginning and 280.5 MB in the end (delta: 9.4 MB). Free memory was 72.2 MB in the beginning and 145.5 MB in the end (delta: -73.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-10-03 00:55:50,676 INFO L168 Benchmark]: RCFGBuilder took 90724.93 ms. Allocated memory was 280.5 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 145.5 MB in the beginning and 119.6 MB in the end (delta: 25.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-10-03 00:55:50,683 INFO L168 Benchmark]: TraceAbstraction took 30274.12 ms. Allocated memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: 205.5 MB). Free memory was 119.6 MB in the beginning and 616.4 MB in the end (delta: -496.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 00:55:50,691 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3833.23 ms. Allocated memory was 139.5 MB in the beginning and 271.1 MB in the end (delta: 131.6 MB). Free memory was 72.7 MB in the beginning and 72.2 MB in the end (delta: 459.4 kB). Peak memory consumption was 132.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 598.02 ms. Allocated memory was 271.1 MB in the beginning and 280.5 MB in the end (delta: 9.4 MB). Free memory was 72.2 MB in the beginning and 145.5 MB in the end (delta: -73.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 90724.93 ms. Allocated memory was 280.5 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 145.5 MB in the beginning and 119.6 MB in the end (delta: 25.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * TraceAbstraction took 30274.12 ms. Allocated memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: 205.5 MB). Free memory was 119.6 MB in the beginning and 616.4 MB in the end (delta: -496.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7200]: 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 208 procedures, 1978 locations, 1 error locations. SAFE Result, 30.2s OverallTime, 7 OverallIterations, 12 TraceHistogramMax, 20.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15704 SDtfs, 6891 SDslu, 31969 SDs, 0 SdLazy, 941 SolverSat, 17 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 16.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13452occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 4.459915611814346 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 114 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1353 NumberOfCodeBlocks, 1353 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1346 ConstructedInterpolants, 0 QuantifiedInterpolants, 314642 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 1430/1438 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...