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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:52:21,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:52:21,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:52:21,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:52:21,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:52:21,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:52:21,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:52:21,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:52:21,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:52:21,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:52:21,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:52:21,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:52:21,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:52:21,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:52:21,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:52:21,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:52:21,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:52:21,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:52:21,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:52:21,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:52:21,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:52:21,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:52:21,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:52:21,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:52:21,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:52:21,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:52:21,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:52:21,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:52:21,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:52:21,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:52:21,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:52:21,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:52:21,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:52:21,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:52:21,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:52:21,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:52:21,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:52:21,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:52:21,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:52:21,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:52:21,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:52:21,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 10:52:21,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:52:21,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:52:21,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:52:21,764 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:52:21,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:52:21,767 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:52:21,767 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:52:21,767 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:52:21,768 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:52:21,768 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:52:21,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:52:21,769 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:52:21,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:52:21,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:52:21,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:52:21,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:52:21,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:52:21,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:52:21,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:52:21,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:52:21,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:52:21,772 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:52:21,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:52:21,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:52:21,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:52:21,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:52:21,774 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:52:21,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:52:21,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:52:21,774 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:52:21,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:52:21,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:52:21,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:52:21,829 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:52:21,830 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:52:21,831 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2019-09-10 10:52:21,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499659b54/98fc0e50e9744bbfa21ddde7dcacb13f/FLAG344255b43 [2019-09-10 10:52:22,654 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:52:22,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2019-09-10 10:52:22,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499659b54/98fc0e50e9744bbfa21ddde7dcacb13f/FLAG344255b43 [2019-09-10 10:52:23,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499659b54/98fc0e50e9744bbfa21ddde7dcacb13f [2019-09-10 10:52:23,227 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:52:23,229 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:52:23,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:52:23,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:52:23,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:52:23,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:52:23" (1/1) ... [2019-09-10 10:52:23,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6700de98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:52:23, skipping insertion in model container [2019-09-10 10:52:23,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:52:23" (1/1) ... [2019-09-10 10:52:23,246 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:52:23,389 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:52:25,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:52:25,486 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:52:26,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:52:26,176 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:52:26,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:52:26 WrapperNode [2019-09-10 10:52:26,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:52:26,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:52:26,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:52:26,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:52:26,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:52:26" (1/1) ... [2019-09-10 10:52:26,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:52:26" (1/1) ... [2019-09-10 10:52:26,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:52:26" (1/1) ... [2019-09-10 10:52:26,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:52:26" (1/1) ... [2019-09-10 10:52:26,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:52:26" (1/1) ... [2019-09-10 10:52:26,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:52:26" (1/1) ... [2019-09-10 10:52:26,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:52:26" (1/1) ... [2019-09-10 10:52:26,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:52:26,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:52:26,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:52:26,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:52:26,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:52:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:52:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:52:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:52:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:52:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2019-09-10 10:52:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-10 10:52:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-09-10 10:52:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-09-10 10:52:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-09-10 10:52:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-09-10 10:52:26,585 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-10 10:52:26,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-10 10:52:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-09-10 10:52:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-10 10:52:26,588 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 10:52:26,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 10:52:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-10 10:52:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-10 10:52:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-10 10:52:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-10 10:52:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 10:52:26,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:52:26,592 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:52:26,592 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 10:52:26,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:52:26,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 10:52:26,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 10:52:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 10:52:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 10:52:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:52:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 10:52:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:52:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:52:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-10 10:52:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-09-10 10:52:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-09-10 10:52:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_write_bulk_callback [2019-09-10 10:52:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_free [2019-09-10 10:52:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_setup_firmware [2019-09-10 10:52:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_fw_timeo [2019-09-10 10:52:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_probe [2019-09-10 10:52:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_disconnect [2019-09-10 10:52:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_send_fw_pkt [2019-09-10 10:52:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_reset_device [2019-09-10 10:52:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_block [2019-09-10 10:52:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __if_usb_submit_rx_urb [2019-09-10 10:52:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb_fwload [2019-09-10 10:52:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb [2019-09-10 10:52:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive_fwload [2019-09-10 10:52:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdtypedata [2019-09-10 10:52:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdrequest [2019-09-10 10:52:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive [2019-09-10 10:52:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_host_to_card [2019-09-10 10:52:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_issue_boot_command [2019-09-10 10:52:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fwfile_format [2019-09-10 10:52:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_prog_firmware [2019-09-10 10:52:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_suspend [2019-09-10 10:52:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_resume [2019-09-10 10:52:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_init [2019-09-10 10:52:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_exit [2019-09-10 10:52:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-09-10 10:52:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-09-10 10:52:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-10 10:52:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-09-10 10:52:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-09-10 10:52:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-09-10 10:52:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-09-10 10:52:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-09-10 10:52:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:52:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_1 [2019-09-10 10:52:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 10:52:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_3 [2019-09-10 10:52:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2019-09-10 10:52:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_5 [2019-09-10 10:52:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_6 [2019-09-10 10:52:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_7 [2019-09-10 10:52:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2019-09-10 10:52:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_9 [2019-09-10 10:52:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_11 [2019-09-10 10:52:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2019-09-10 10:52:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2019-09-10 10:52:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2019-09-10 10:52:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_16 [2019-09-10 10:52:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2019-09-10 10:52:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_20 [2019-09-10 10:52:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_21 [2019-09-10 10:52:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-10 10:52:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-10 10:52:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-10 10:52:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-10 10:52:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-10 10:52:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-10 10:52:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-10 10:52:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-10 10:52:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-10 10:52:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-10 10:52:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-10 10:52:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-10 10:52:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-10 10:52:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-10 10:52:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-10 10:52:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-10 10:52:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:52:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 10:52:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2019-09-10 10:52:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-10 10:52:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-10 10:52:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 10:52:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 10:52:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-09-10 10:52:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-10 10:52:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-10 10:52:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-09-10 10:52:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-09-10 10:52:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_card [2019-09-10 10:52:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_firmware_async [2019-09-10 10:52:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2019-09-10 10:52:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_to_card_done [2019-09-10 10:52:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_notify_command_response [2019-09-10 10:52:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_rxed_packet [2019-09-10 10:52:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_queue_event [2019-09-10 10:52:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_card [2019-09-10 10:52:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2019-09-10 10:52:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_tx_feedback [2019-09-10 10:52:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2019-09-10 10:52:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_card [2019-09-10 10:52:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2019-09-10 10:52:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:52:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-10 10:52:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-10 10:52:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-09-10 10:52:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-10 10:52:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-10 10:52:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:52:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-10 10:52:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-10 10:52:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-10 10:52:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-10 10:52:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 10:52:26,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-10 10:52:26,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 10:52:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-10 10:52:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-09-10 10:52:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:52:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:52:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 10:52:26,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 10:52:26,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 10:52:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:52:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:52:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 10:52:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 10:52:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-09-10 10:52:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2019-09-10 10:52:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:52:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-10 10:52:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-09-10 10:52:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-09-10 10:52:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-09-10 10:52:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-09-10 10:52:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-10 10:52:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:52:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-10 10:52:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-09-10 10:52:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 10:52:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-10 10:52:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-09-10 10:52:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-10 10:52:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 10:52:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 10:52:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 10:52:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 10:52:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-09-10 10:52:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_1 [2019-09-10 10:52:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-10 10:52:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_16 [2019-09-10 10:52:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-10 10:52:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2019-09-10 10:52:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 10:52:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-10 10:52:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-10 10:52:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-10 10:52:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-10 10:52:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-10 10:52:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:52:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-10 10:52:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-10 10:52:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-10 10:52:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-10 10:52:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_9 [2019-09-10 10:52:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2019-09-10 10:52:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 10:52:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_7 [2019-09-10 10:52:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_11 [2019-09-10 10:52:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-10 10:52:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 10:52:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_20 [2019-09-10 10:52:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 10:52:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_21 [2019-09-10 10:52:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2019-09-10 10:52:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_5 [2019-09-10 10:52:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_6 [2019-09-10 10:52:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_3 [2019-09-10 10:52:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2019-09-10 10:52:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2019-09-10 10:52:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2019-09-10 10:52:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-10 10:52:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 10:52:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-10 10:52:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-10 10:52:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-10 10:52:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-10 10:52:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-10 10:52:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-10 10:52:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-10 10:52:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-10 10:52:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-10 10:52:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:52:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:52:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:52:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:52:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 10:52:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:52:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 10:52:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:52:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:52:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:52:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:52:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:52:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 10:52:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 10:52:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 10:52:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 10:52:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 10:52:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:52:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 10:52:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-09-10 10:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-09-10 10:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-10 10:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-09-10 10:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-09-10 10:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-09-10 10:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-09-10 10:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-09-10 10:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-10 10:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-09-10 10:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-10 10:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-10 10:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-10 10:52:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:52:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:52:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-10 10:52:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-09-10 10:52:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-09-10 10:52:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-10 10:52:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_tx_feedback [2019-09-10 10:52:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_rxed_packet [2019-09-10 10:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_card [2019-09-10 10:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_card [2019-09-10 10:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2019-09-10 10:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_card [2019-09-10 10:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_to_card_done [2019-09-10 10:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2019-09-10 10:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2019-09-10 10:52:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_queue_event [2019-09-10 10:52:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_notify_command_response [2019-09-10 10:52:26,660 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_firmware_async [2019-09-10 10:52:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2019-09-10 10:52:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_copyback [2019-09-10 10:52:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2019-09-10 10:52:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:52:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive [2019-09-10 10:52:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive_fwload [2019-09-10 10:52:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_prog_firmware [2019-09-10 10:52:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_host_to_card [2019-09-10 10:52:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_block [2019-09-10 10:52:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_free [2019-09-10 10:52:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb [2019-09-10 10:52:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_reset_device [2019-09-10 10:52:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_write_bulk_callback [2019-09-10 10:52:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_setup_firmware [2019-09-10 10:52:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:52:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_fw_timeo [2019-09-10 10:52:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_probe [2019-09-10 10:52:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_disconnect [2019-09-10 10:52:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_send_fw_pkt [2019-09-10 10:52:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 10:52:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure __if_usb_submit_rx_urb [2019-09-10 10:52:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb_fwload [2019-09-10 10:52:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdtypedata [2019-09-10 10:52:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdrequest [2019-09-10 10:52:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_issue_boot_command [2019-09-10 10:52:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 10:52:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure check_fwfile_format [2019-09-10 10:52:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_suspend [2019-09-10 10:52:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_resume [2019-09-10 10:52:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_init [2019-09-10 10:52:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_exit [2019-09-10 10:52:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:52:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:52:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:52:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-10 10:52:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-10 10:52:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-10 10:52:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:52:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-10 10:52:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-10 10:52:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-10 10:52:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-10 10:52:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:52:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:52:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:52:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:52:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:52:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:52:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:52:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:52:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:52:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:52:27,797 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 10:52:34,776 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-10 10:52:36,045 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:52:36,045 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:52:36,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:52:36 BoogieIcfgContainer [2019-09-10 10:52:36,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:52:36,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:52:36,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:52:36,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:52:36,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:52:23" (1/3) ... [2019-09-10 10:52:36,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3e261c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:52:36, skipping insertion in model container [2019-09-10 10:52:36,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:52:26" (2/3) ... [2019-09-10 10:52:36,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3e261c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:52:36, skipping insertion in model container [2019-09-10 10:52:36,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:52:36" (3/3) ... [2019-09-10 10:52:36,055 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2019-09-10 10:52:36,066 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:52:36,083 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:52:36,100 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:52:36,130 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:52:36,130 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:52:36,131 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:52:36,131 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:52:36,131 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:52:36,131 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:52:36,131 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:52:36,131 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:52:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states. [2019-09-10 10:52:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-09-10 10:52:36,202 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:36,203 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:36,205 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:36,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:36,212 INFO L82 PathProgramCache]: Analyzing trace with hash -246535589, now seen corresponding path program 1 times [2019-09-10 10:52:36,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:36,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:36,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:36,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:36,301 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:52:37,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:37,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:52:37,084 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:37,094 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:52:37,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:52:37,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:37,114 INFO L87 Difference]: Start difference. First operand 1310 states. Second operand 3 states. [2019-09-10 10:52:40,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:40,604 INFO L93 Difference]: Finished difference Result 2036 states and 2714 transitions. [2019-09-10 10:52:40,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:52:40,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-09-10 10:52:40,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:40,653 INFO L225 Difference]: With dead ends: 2036 [2019-09-10 10:52:40,653 INFO L226 Difference]: Without dead ends: 2009 [2019-09-10 10:52:40,655 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:40,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2009 states. [2019-09-10 10:52:40,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2009 to 2009. [2019-09-10 10:52:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2019-09-10 10:52:40,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2671 transitions. [2019-09-10 10:52:40,900 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2671 transitions. Word has length 49 [2019-09-10 10:52:40,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:40,900 INFO L475 AbstractCegarLoop]: Abstraction has 2009 states and 2671 transitions. [2019-09-10 10:52:40,901 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:52:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2671 transitions. [2019-09-10 10:52:40,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-10 10:52:40,917 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:40,983 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:40,983 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:40,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:40,984 INFO L82 PathProgramCache]: Analyzing trace with hash -474039220, now seen corresponding path program 1 times [2019-09-10 10:52:40,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:41,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:41,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:41,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:41,001 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:41,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 10:52:41,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:41,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:52:41,432 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:41,435 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:52:41,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:52:41,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:41,436 INFO L87 Difference]: Start difference. First operand 2009 states and 2671 transitions. Second operand 3 states. [2019-09-10 10:52:41,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:41,999 INFO L93 Difference]: Finished difference Result 2022 states and 2686 transitions. [2019-09-10 10:52:41,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:52:41,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-09-10 10:52:42,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:42,014 INFO L225 Difference]: With dead ends: 2022 [2019-09-10 10:52:42,014 INFO L226 Difference]: Without dead ends: 2022 [2019-09-10 10:52:42,015 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:42,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2022 states. [2019-09-10 10:52:42,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2022 to 2009. [2019-09-10 10:52:42,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2019-09-10 10:52:42,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2670 transitions. [2019-09-10 10:52:42,099 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2670 transitions. Word has length 65 [2019-09-10 10:52:42,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:42,100 INFO L475 AbstractCegarLoop]: Abstraction has 2009 states and 2670 transitions. [2019-09-10 10:52:42,100 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:52:42,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2670 transitions. [2019-09-10 10:52:42,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-10 10:52:42,103 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:42,104 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:42,104 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:42,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:42,104 INFO L82 PathProgramCache]: Analyzing trace with hash -416780918, now seen corresponding path program 1 times [2019-09-10 10:52:42,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:42,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:42,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:42,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:42,110 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 10:52:42,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:42,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:52:42,559 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:42,559 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:52:42,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:52:42,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:42,560 INFO L87 Difference]: Start difference. First operand 2009 states and 2670 transitions. Second operand 3 states. [2019-09-10 10:52:42,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:42,672 INFO L93 Difference]: Finished difference Result 3985 states and 5375 transitions. [2019-09-10 10:52:42,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:52:42,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-09-10 10:52:42,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:42,703 INFO L225 Difference]: With dead ends: 3985 [2019-09-10 10:52:42,703 INFO L226 Difference]: Without dead ends: 3985 [2019-09-10 10:52:42,704 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:42,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3985 states. [2019-09-10 10:52:42,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 3975. [2019-09-10 10:52:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3975 states. [2019-09-10 10:52:42,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3975 states to 3975 states and 5363 transitions. [2019-09-10 10:52:42,848 INFO L78 Accepts]: Start accepts. Automaton has 3975 states and 5363 transitions. Word has length 65 [2019-09-10 10:52:42,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:42,849 INFO L475 AbstractCegarLoop]: Abstraction has 3975 states and 5363 transitions. [2019-09-10 10:52:42,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:52:42,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3975 states and 5363 transitions. [2019-09-10 10:52:42,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-10 10:52:42,851 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:42,852 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:42,852 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:42,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:42,852 INFO L82 PathProgramCache]: Analyzing trace with hash -35918965, now seen corresponding path program 1 times [2019-09-10 10:52:42,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:42,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:42,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:42,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:42,857 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 10:52:43,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:43,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:52:43,216 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:43,217 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:52:43,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:52:43,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:43,217 INFO L87 Difference]: Start difference. First operand 3975 states and 5363 transitions. Second operand 3 states. [2019-09-10 10:52:43,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:43,356 INFO L93 Difference]: Finished difference Result 7909 states and 10847 transitions. [2019-09-10 10:52:43,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:52:43,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2019-09-10 10:52:43,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:43,408 INFO L225 Difference]: With dead ends: 7909 [2019-09-10 10:52:43,408 INFO L226 Difference]: Without dead ends: 7909 [2019-09-10 10:52:43,409 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:43,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7909 states. [2019-09-10 10:52:43,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7909 to 7900. [2019-09-10 10:52:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7900 states. [2019-09-10 10:52:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 10837 transitions. [2019-09-10 10:52:43,759 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 10837 transitions. Word has length 66 [2019-09-10 10:52:43,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:43,763 INFO L475 AbstractCegarLoop]: Abstraction has 7900 states and 10837 transitions. [2019-09-10 10:52:43,763 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:52:43,763 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 10837 transitions. [2019-09-10 10:52:43,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-10 10:52:43,767 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:43,767 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:43,768 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:43,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:43,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1114095443, now seen corresponding path program 1 times [2019-09-10 10:52:43,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:43,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:43,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:43,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:43,778 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 10:52:44,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:44,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:52:44,146 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:44,148 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:52:44,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:52:44,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:44,149 INFO L87 Difference]: Start difference. First operand 7900 states and 10837 transitions. Second operand 3 states. [2019-09-10 10:52:44,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:44,334 INFO L93 Difference]: Finished difference Result 7904 states and 10840 transitions. [2019-09-10 10:52:44,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:52:44,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-09-10 10:52:44,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:44,391 INFO L225 Difference]: With dead ends: 7904 [2019-09-10 10:52:44,392 INFO L226 Difference]: Without dead ends: 7904 [2019-09-10 10:52:44,392 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:44,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7904 states. [2019-09-10 10:52:44,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7904 to 7901. [2019-09-10 10:52:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7901 states. [2019-09-10 10:52:44,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7901 states to 7901 states and 10838 transitions. [2019-09-10 10:52:44,684 INFO L78 Accepts]: Start accepts. Automaton has 7901 states and 10838 transitions. Word has length 67 [2019-09-10 10:52:44,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:44,684 INFO L475 AbstractCegarLoop]: Abstraction has 7901 states and 10838 transitions. [2019-09-10 10:52:44,684 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:52:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 7901 states and 10838 transitions. [2019-09-10 10:52:44,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-10 10:52:44,686 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:44,687 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:44,687 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:44,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:44,687 INFO L82 PathProgramCache]: Analyzing trace with hash -177823026, now seen corresponding path program 1 times [2019-09-10 10:52:44,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:44,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:44,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:44,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:44,691 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 10:52:44,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:44,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:52:44,979 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:44,980 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:52:44,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:52:44,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:44,980 INFO L87 Difference]: Start difference. First operand 7901 states and 10838 transitions. Second operand 3 states. [2019-09-10 10:52:45,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:45,051 INFO L93 Difference]: Finished difference Result 7900 states and 10836 transitions. [2019-09-10 10:52:45,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:52:45,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-10 10:52:45,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:45,096 INFO L225 Difference]: With dead ends: 7900 [2019-09-10 10:52:45,097 INFO L226 Difference]: Without dead ends: 7900 [2019-09-10 10:52:45,097 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:45,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2019-09-10 10:52:45,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7900. [2019-09-10 10:52:45,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7900 states. [2019-09-10 10:52:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 10836 transitions. [2019-09-10 10:52:45,333 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 10836 transitions. Word has length 68 [2019-09-10 10:52:45,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:45,333 INFO L475 AbstractCegarLoop]: Abstraction has 7900 states and 10836 transitions. [2019-09-10 10:52:45,333 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:52:45,333 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 10836 transitions. [2019-09-10 10:52:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-10 10:52:45,335 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:45,336 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:45,336 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:45,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:45,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1218144304, now seen corresponding path program 1 times [2019-09-10 10:52:45,337 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:45,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:45,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:45,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:45,341 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:45,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-10 10:52:45,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:45,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:52:45,611 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:45,611 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:52:45,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:52:45,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:45,612 INFO L87 Difference]: Start difference. First operand 7900 states and 10836 transitions. Second operand 3 states. [2019-09-10 10:52:45,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:45,681 INFO L93 Difference]: Finished difference Result 7899 states and 10834 transitions. [2019-09-10 10:52:45,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:52:45,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-09-10 10:52:45,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:45,722 INFO L225 Difference]: With dead ends: 7899 [2019-09-10 10:52:45,722 INFO L226 Difference]: Without dead ends: 7880 [2019-09-10 10:52:45,723 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:45,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7880 states. [2019-09-10 10:52:45,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7880 to 7880. [2019-09-10 10:52:45,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7880 states. [2019-09-10 10:52:45,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7880 states to 7880 states and 10812 transitions. [2019-09-10 10:52:45,980 INFO L78 Accepts]: Start accepts. Automaton has 7880 states and 10812 transitions. Word has length 69 [2019-09-10 10:52:45,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:45,980 INFO L475 AbstractCegarLoop]: Abstraction has 7880 states and 10812 transitions. [2019-09-10 10:52:45,981 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:52:45,981 INFO L276 IsEmpty]: Start isEmpty. Operand 7880 states and 10812 transitions. [2019-09-10 10:52:46,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-09-10 10:52:46,001 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:46,002 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:46,002 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:46,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:46,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1346405912, now seen corresponding path program 1 times [2019-09-10 10:52:46,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:46,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:46,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:46,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:46,008 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:46,511 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-10 10:52:46,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:46,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:52:46,512 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:46,513 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:52:46,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:52:46,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:46,514 INFO L87 Difference]: Start difference. First operand 7880 states and 10812 transitions. Second operand 3 states. [2019-09-10 10:52:47,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:47,162 INFO L93 Difference]: Finished difference Result 8441 states and 11599 transitions. [2019-09-10 10:52:47,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:52:47,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2019-09-10 10:52:47,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:47,202 INFO L225 Difference]: With dead ends: 8441 [2019-09-10 10:52:47,202 INFO L226 Difference]: Without dead ends: 8441 [2019-09-10 10:52:47,203 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:47,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2019-09-10 10:52:47,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 8364. [2019-09-10 10:52:47,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8364 states. [2019-09-10 10:52:47,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8364 states to 8364 states and 11507 transitions. [2019-09-10 10:52:47,461 INFO L78 Accepts]: Start accepts. Automaton has 8364 states and 11507 transitions. Word has length 203 [2019-09-10 10:52:47,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:47,461 INFO L475 AbstractCegarLoop]: Abstraction has 8364 states and 11507 transitions. [2019-09-10 10:52:47,461 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:52:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 8364 states and 11507 transitions. [2019-09-10 10:52:47,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-09-10 10:52:47,477 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:47,477 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:47,478 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:47,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:47,478 INFO L82 PathProgramCache]: Analyzing trace with hash -920247156, now seen corresponding path program 1 times [2019-09-10 10:52:47,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:47,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:47,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:47,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:47,483 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:47,852 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-10 10:52:47,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:47,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:52:47,852 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:47,853 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:52:47,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:52:47,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:47,854 INFO L87 Difference]: Start difference. First operand 8364 states and 11507 transitions. Second operand 3 states. [2019-09-10 10:52:47,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:47,921 INFO L93 Difference]: Finished difference Result 8372 states and 11515 transitions. [2019-09-10 10:52:47,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:52:47,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-09-10 10:52:47,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:47,957 INFO L225 Difference]: With dead ends: 8372 [2019-09-10 10:52:47,957 INFO L226 Difference]: Without dead ends: 8372 [2019-09-10 10:52:47,958 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:52:47,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8372 states. [2019-09-10 10:52:48,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8372 to 8372. [2019-09-10 10:52:48,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8372 states. [2019-09-10 10:52:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8372 states to 8372 states and 11515 transitions. [2019-09-10 10:52:48,195 INFO L78 Accepts]: Start accepts. Automaton has 8372 states and 11515 transitions. Word has length 222 [2019-09-10 10:52:48,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:48,195 INFO L475 AbstractCegarLoop]: Abstraction has 8372 states and 11515 transitions. [2019-09-10 10:52:48,196 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:52:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 8372 states and 11515 transitions. [2019-09-10 10:52:48,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-09-10 10:52:48,212 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:48,213 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:48,213 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:48,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:48,213 INFO L82 PathProgramCache]: Analyzing trace with hash 680823950, now seen corresponding path program 1 times [2019-09-10 10:52:48,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:48,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:48,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:48,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:48,220 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-10 10:52:49,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:49,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-10 10:52:49,114 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:49,115 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-10 10:52:49,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-10 10:52:49,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-10 10:52:49,116 INFO L87 Difference]: Start difference. First operand 8372 states and 11515 transitions. Second operand 11 states. [2019-09-10 10:52:49,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:49,351 INFO L93 Difference]: Finished difference Result 8500 states and 11651 transitions. [2019-09-10 10:52:49,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 10:52:49,351 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2019-09-10 10:52:49,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:49,392 INFO L225 Difference]: With dead ends: 8500 [2019-09-10 10:52:49,393 INFO L226 Difference]: Without dead ends: 8500 [2019-09-10 10:52:49,394 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-10 10:52:49,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8500 states. [2019-09-10 10:52:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8500 to 8500. [2019-09-10 10:52:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8500 states. [2019-09-10 10:52:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8500 states to 8500 states and 11651 transitions. [2019-09-10 10:52:49,640 INFO L78 Accepts]: Start accepts. Automaton has 8500 states and 11651 transitions. Word has length 222 [2019-09-10 10:52:49,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:49,641 INFO L475 AbstractCegarLoop]: Abstraction has 8500 states and 11651 transitions. [2019-09-10 10:52:49,641 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-10 10:52:49,641 INFO L276 IsEmpty]: Start isEmpty. Operand 8500 states and 11651 transitions. [2019-09-10 10:52:49,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-09-10 10:52:49,656 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:49,657 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:49,657 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:49,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:49,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1683912497, now seen corresponding path program 1 times [2019-09-10 10:52:49,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:49,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:49,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:49,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:49,662 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-10 10:52:50,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:50,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:52:50,255 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:50,256 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:52:50,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:52:50,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:52:50,257 INFO L87 Difference]: Start difference. First operand 8500 states and 11651 transitions. Second operand 6 states. [2019-09-10 10:52:53,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:53,636 INFO L93 Difference]: Finished difference Result 17080 states and 23463 transitions. [2019-09-10 10:52:53,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 10:52:53,637 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2019-09-10 10:52:53,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:53,718 INFO L225 Difference]: With dead ends: 17080 [2019-09-10 10:52:53,718 INFO L226 Difference]: Without dead ends: 17080 [2019-09-10 10:52:53,719 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-09-10 10:52:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17080 states. [2019-09-10 10:52:54,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17080 to 8564. [2019-09-10 10:52:54,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8564 states. [2019-09-10 10:52:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8564 states to 8564 states and 11761 transitions. [2019-09-10 10:52:54,082 INFO L78 Accepts]: Start accepts. Automaton has 8564 states and 11761 transitions. Word has length 222 [2019-09-10 10:52:54,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:54,085 INFO L475 AbstractCegarLoop]: Abstraction has 8564 states and 11761 transitions. [2019-09-10 10:52:54,085 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:52:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 8564 states and 11761 transitions. [2019-09-10 10:52:54,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-09-10 10:52:54,876 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:54,876 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:54,876 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:54,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:54,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1817926003, now seen corresponding path program 1 times [2019-09-10 10:52:54,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:54,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:54,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:54,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:54,883 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-09-10 10:52:55,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:52:55,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 10:52:55,414 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:55,415 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 10:52:55,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 10:52:55,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 10:52:55,419 INFO L87 Difference]: Start difference. First operand 8564 states and 11761 transitions. Second operand 4 states. [2019-09-10 10:52:55,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:55,542 INFO L93 Difference]: Finished difference Result 8567 states and 11764 transitions. [2019-09-10 10:52:55,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 10:52:55,543 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 222 [2019-09-10 10:52:55,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:55,600 INFO L225 Difference]: With dead ends: 8567 [2019-09-10 10:52:55,600 INFO L226 Difference]: Without dead ends: 8565 [2019-09-10 10:52:55,601 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:52:55,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8565 states. [2019-09-10 10:52:55,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8565 to 8565. [2019-09-10 10:52:55,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8565 states. [2019-09-10 10:52:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8565 states to 8565 states and 11762 transitions. [2019-09-10 10:52:55,906 INFO L78 Accepts]: Start accepts. Automaton has 8565 states and 11762 transitions. Word has length 222 [2019-09-10 10:52:55,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:55,907 INFO L475 AbstractCegarLoop]: Abstraction has 8565 states and 11762 transitions. [2019-09-10 10:52:55,907 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 10:52:55,907 INFO L276 IsEmpty]: Start isEmpty. Operand 8565 states and 11762 transitions. [2019-09-10 10:52:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-09-10 10:52:55,934 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:52:55,935 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:52:55,935 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:52:55,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:55,936 INFO L82 PathProgramCache]: Analyzing trace with hash -297023313, now seen corresponding path program 1 times [2019-09-10 10:52:55,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:52:55,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:55,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:52:55,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:52:55,951 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:52:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:52:56,587 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-09-10 10:52:56,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:52:56,588 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:52:56,589 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2019-09-10 10:52:56,593 INFO L207 CegarAbsIntRunner]: [88], [90], [92], [93], [153], [154], [155], [235], [283], [287], [288], [289], [291], [293], [296], [299], [306], [307], [308], [310], [311], [314], [316], [317], [318], [319], [360], [362], [363], [607], [608], [721], [722], [723], [732], [746], [748], [750], [752], [754], [756], [758], [772], [774], [802], [806], [808], [809], [814], [815], [1045], [1047], [1048], [1049], [1050], [1051], [1053], [1056], [1058], [1060], [1072], [1075], [1078], [1081], [1084], [1086], [1090], [1093], [1096], [1098], [1101], [1109], [1128], [1131], [1134], [1137], [1140], [1142], [1147], [1259], [1260], [1261], [1263], [1264], [1266], [1281], [1287], [1289], [1290], [1464], [1465], [1890], [1892], [1893], [1898], [1900], [1901], [1907], [1909], [1911], [1916], [1918], [1920], [1936], [1938], [2030], [2035], [2040], [2063], [2065], [2068], [2084], [2161], [2162], [2236], [2237], [2415], [2420], [2422], [2427], [2429], [2430], [2440], [2442], [2443], [2448], [2480], [2483], [2487], [2497], [2499], [2502], [2507], [2508], [2568], [2569], [2570], [2571], [2586], [2587], [2592], [2593], [2594], [2595], [2596], [2597], [2598], [2599], [2606], [2607], [2700], [2701], [2702], [2703], [2704], [2705], [2706], [2707], [2708], [2709], [2788], [2789], [2790], [2791], [2792], [2793], [2794], [2795], [2796], [2797], [2800], [2801], [2802], [2803], [2806], [2807], [2822], [2824], [2825], [2826], [2827], [2960], [2961], [2964], [2965], [2968], [2969], [2970], [2971], [2972], [2973], [2974], [2975], [3008], [3009], [3038], [3039], [3100], [3101], [3106], [3107], [3108], [3122], [3123], [3124], [3126], [3127] [2019-09-10 10:52:56,676 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 10:52:56,677 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 10:52:56,999 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 10:52:57,001 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 442 root evaluator evaluations with a maximum evaluation depth of 0. Performed 442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 848 variables. [2019-09-10 10:52:57,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:52:57,006 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 10:52:57,135 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 10:52:57,136 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 10:52:57,144 INFO L420 sIntCurrentIteration]: We unified 222 AI predicates to 222 [2019-09-10 10:52:57,145 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 10:52:57,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 10:52:57,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-10 10:52:57,146 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:52:57,148 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 10:52:57,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 10:52:57,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:52:57,148 INFO L87 Difference]: Start difference. First operand 8565 states and 11762 transitions. Second operand 2 states. [2019-09-10 10:52:57,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:52:57,149 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 10:52:57,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 10:52:57,149 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 223 [2019-09-10 10:52:57,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:52:57,150 INFO L225 Difference]: With dead ends: 2 [2019-09-10 10:52:57,150 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:52:57,150 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:52:57,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:52:57,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:52:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:52:57,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:52:57,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2019-09-10 10:52:57,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:52:57,151 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:52:57,151 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 10:52:57,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:52:57,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:52:57,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:52:57 BoogieIcfgContainer [2019-09-10 10:52:57,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:52:57,160 INFO L168 Benchmark]: Toolchain (without parser) took 33930.31 ms. Allocated memory was 132.1 MB in the beginning and 987.2 MB in the end (delta: 855.1 MB). Free memory was 77.4 MB in the beginning and 292.6 MB in the end (delta: -215.2 MB). Peak memory consumption was 639.9 MB. Max. memory is 7.1 GB. [2019-09-10 10:52:57,162 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-10 10:52:57,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2948.42 ms. Allocated memory was 132.1 MB in the beginning and 276.8 MB in the end (delta: 144.7 MB). Free memory was 77.2 MB in the beginning and 185.3 MB in the end (delta: -108.1 MB). Peak memory consumption was 122.5 MB. Max. memory is 7.1 GB. [2019-09-10 10:52:57,169 INFO L168 Benchmark]: Boogie Preprocessor took 331.20 ms. Allocated memory is still 276.8 MB. Free memory was 185.3 MB in the beginning and 160.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-09-10 10:52:57,170 INFO L168 Benchmark]: RCFGBuilder took 9536.88 ms. Allocated memory was 276.8 MB in the beginning and 552.1 MB in the end (delta: 275.3 MB). Free memory was 160.0 MB in the beginning and 211.2 MB in the end (delta: -51.2 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2019-09-10 10:52:57,171 INFO L168 Benchmark]: TraceAbstraction took 21108.92 ms. Allocated memory was 552.1 MB in the beginning and 987.2 MB in the end (delta: 435.2 MB). Free memory was 211.2 MB in the beginning and 292.6 MB in the end (delta: -81.4 MB). Peak memory consumption was 353.8 MB. Max. memory is 7.1 GB. [2019-09-10 10:52:57,184 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 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2948.42 ms. Allocated memory was 132.1 MB in the beginning and 276.8 MB in the end (delta: 144.7 MB). Free memory was 77.2 MB in the beginning and 185.3 MB in the end (delta: -108.1 MB). Peak memory consumption was 122.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 331.20 ms. Allocated memory is still 276.8 MB. Free memory was 185.3 MB in the beginning and 160.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9536.88 ms. Allocated memory was 276.8 MB in the beginning and 552.1 MB in the end (delta: 275.3 MB). Free memory was 160.0 MB in the beginning and 211.2 MB in the end (delta: -51.2 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21108.92 ms. Allocated memory was 552.1 MB in the beginning and 987.2 MB in the end (delta: 435.2 MB). Free memory was 211.2 MB in the beginning and 292.6 MB in the end (delta: -81.4 MB). Peak memory consumption was 353.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6378]: 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 147 procedures, 1353 locations, 1 error locations. SAFE Result, 21.0s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 9.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19004 SDtfs, 11064 SDslu, 32266 SDs, 0 SdLazy, 290 SolverSat, 79 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8565occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.635135135135135 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 8628 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1763 NumberOfCodeBlocks, 1763 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1750 ConstructedInterpolants, 0 QuantifiedInterpolants, 390626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 166/167 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...