/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:44:44,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:44:44,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:44:44,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 19:44:44,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 19:44:44,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 19:44:44,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 19:44:44,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 19:44:44,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 19:44:44,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 19:44:44,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 19:44:44,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 19:44:44,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:44:44,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:44:44,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:44:44,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:44:44,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:44:44,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:44:44,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:44:44,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:44:44,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:44:44,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:44:44,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:44:44,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:44:44,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 19:44:44,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 19:44:44,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 19:44:44,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 19:44:44,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 19:44:44,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 19:44:44,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 19:44:44,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 19:44:44,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 19:44:44,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 19:44:44,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 19:44:44,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 19:44:44,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 19:44:44,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 19:44:44,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:44:44,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:44:44,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:44:44,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 19:44:44,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:44:44,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:44:44,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:44:44,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:44:44,572 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:44:44,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:44:44,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:44:44,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:44:44,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:44:44,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:44:44,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:44:44,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:44:44,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:44:44,575 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:44:44,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:44:44,576 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:44:44,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:44:44,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:44:44,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:44:44,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:44:44,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:44:44,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:44:44,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:44:44,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:44:44,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:44:44,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:44:44,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:44:44,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:44:44,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:44:44,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:44:44,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:44:44,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:44:44,917 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:44:44,917 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:44:44,918 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-11-06 19:44:45,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20a613f19/cd9269b784584560b1a3f45980635472/FLAG93302efc0 [2019-11-06 19:44:45,740 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:44:45,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-11-06 19:44:45,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20a613f19/cd9269b784584560b1a3f45980635472/FLAG93302efc0 [2019-11-06 19:44:45,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20a613f19/cd9269b784584560b1a3f45980635472 [2019-11-06 19:44:45,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:44:45,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:44:45,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:44:45,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:44:45,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:44:45,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:44:45" (1/1) ... [2019-11-06 19:44:45,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735ebf4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:45, skipping insertion in model container [2019-11-06 19:44:45,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:44:45" (1/1) ... [2019-11-06 19:44:45,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:44:45,961 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:44:47,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:44:47,316 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:44:47,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:44:47,781 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:44:47,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:47 WrapperNode [2019-11-06 19:44:47,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:44:47,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:44:47,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:44:47,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:44:47,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:47" (1/1) ... [2019-11-06 19:44:47,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:47" (1/1) ... [2019-11-06 19:44:47,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:47" (1/1) ... [2019-11-06 19:44:47,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:47" (1/1) ... [2019-11-06 19:44:47,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:47" (1/1) ... [2019-11-06 19:44:48,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:47" (1/1) ... [2019-11-06 19:44:48,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:47" (1/1) ... [2019-11-06 19:44:48,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:44:48,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:44:48,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:44:48,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:44:48,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:47" (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 [2019-11-06 19:44:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:44:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:44:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-06 19:44:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-06 19:44:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int [2019-11-06 19:44:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 19:44:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int [2019-11-06 19:44:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-11-06 19:44:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_rceb_check [2019-11-06 19:44:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_cmd [2019-11-06 19:44:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_print_state [2019-11-06 19:44:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_upload [2019-11-06 19:44:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-11-06 19:44:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-11-06 19:44:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-11-06 19:44:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-11-06 19:44:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-11-06 19:44:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-11-06 19:44:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 19:44:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 19:44:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdrs_free [2019-11-06 19:44:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdr_load [2019-11-06 19:44:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdrs_load [2019-11-06 19:44:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_cmp [2019-11-06 19:44:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_hdrs_push [2019-11-06 19:44:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_upload_enable [2019-11-06 19:44:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_upload_disable [2019-11-06 19:44:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __mac_fw_upload [2019-11-06 19:44:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_pre_fw_upload [2019-11-06 19:44:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_cmd_reset [2019-11-06 19:44:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_is_running_q [2019-11-06 19:44:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mac_fw_upload [2019-11-06 19:44:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mpi_write [2019-11-06 19:44:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mpi_read [2019-11-06 19:44:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_phy_fw_upload [2019-11-06 19:44:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion___0 [2019-11-06 19:44:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-11-06 19:44:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-11-06 19:44:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-11-06 19:44:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-11-06 19:44:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-06 19:44:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 19:44:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_init [2019-11-06 19:44:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_init [2019-11-06 19:44:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_create [2019-11-06 19:44:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_destroy [2019-11-06 19:44:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_write [2019-11-06 19:44:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_read [2019-11-06 19:44:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_neep_cb [2019-11-06 19:44:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_wait_init_done [2019-11-06 19:44:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_cmd [2019-11-06 19:44:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_probe [2019-11-06 19:44:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_init [2019-11-06 19:44:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-11-06 19:44:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_exit [2019-11-06 19:44:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-11-06 19:44:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:44:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-06 19:44:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 19:44:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-06 19:44:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-11-06 19:44:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 19:44:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-11-06 19:44:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 19:44:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-11-06 19:44:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-11-06 19:44:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-11-06 19:44:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 19:44:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-11-06 19:44:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-11-06 19:44:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-11-06 19:44:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-11-06 19:44:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-11-06 19:44:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-11-06 19:44:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-11-06 19:44:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2019-11-06 19:44:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-11-06 19:44:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-11-06 19:44:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2019-11-06 19:44:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-11-06 19:44:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-11-06 19:44:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-11-06 19:44:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-11-06 19:44:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2019-11-06 19:44:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 19:44:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 19:44:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 19:44:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 19:44:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:44:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-06 19:44:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-11-06 19:44:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 19:44:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2019-11-06 19:44:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_upload [2019-11-06 19:44:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_pre_fw_upload [2019-11-06 19:44:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mac_fw_upload [2019-11-06 19:44:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_phy_fw_upload [2019-11-06 19:44:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_cmd [2019-11-06 19:44:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_rceb_check [2019-11-06 19:44:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 19:44:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-06 19:44:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-11-06 19:44:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 19:44:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 19:44:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 19:44:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-06 19:44:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-06 19:44:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 19:44:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_print_state [2019-11-06 19:44:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int [2019-11-06 19:44:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 19:44:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-11-06 19:44:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-11-06 19:44:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-11-06 19:44:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-11-06 19:44:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-11-06 19:44:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-11-06 19:44:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-11-06 19:44:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 19:44:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-11-06 19:44:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-11-06 19:44:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 19:44:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-11-06 19:44:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-11-06 19:44:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 19:44:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 19:44:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-11-06 19:44:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-11-06 19:44:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdrs_free [2019-11-06 19:44:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdr_load [2019-11-06 19:44:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 19:44:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdrs_load [2019-11-06 19:44:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_cmp [2019-11-06 19:44:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_hdrs_push [2019-11-06 19:44:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int [2019-11-06 19:44:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_upload_enable [2019-11-06 19:44:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_upload_disable [2019-11-06 19:44:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure __mac_fw_upload [2019-11-06 19:44:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_cmd_reset [2019-11-06 19:44:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_is_running_q [2019-11-06 19:44:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 19:44:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 19:44:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mpi_write [2019-11-06 19:44:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 19:44:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mpi_read [2019-11-06 19:44:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 19:44:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion___0 [2019-11-06 19:44:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-11-06 19:44:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-11-06 19:44:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-11-06 19:44:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 19:44:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-11-06 19:44:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2019-11-06 19:44:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2019-11-06 19:44:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-11-06 19:44:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-11-06 19:44:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-11-06 19:44:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-11-06 19:44:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-11-06 19:44:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-11-06 19:44:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-11-06 19:44:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-11-06 19:44:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-11-06 19:44:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-11-06 19:44:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-11-06 19:44:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-11-06 19:44:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-06 19:44:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 19:44:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_init [2019-11-06 19:44:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_init [2019-11-06 19:44:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_create [2019-11-06 19:44:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_destroy [2019-11-06 19:44:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_write [2019-11-06 19:44:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_read [2019-11-06 19:44:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_neep_cb [2019-11-06 19:44:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_wait_init_done [2019-11-06 19:44:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_cmd [2019-11-06 19:44:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_probe [2019-11-06 19:44:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_init [2019-11-06 19:44:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_exit [2019-11-06 19:44:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-11-06 19:44:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 19:44:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:44:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:44:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 19:44:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-06 19:44:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 19:44:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 19:44:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:44:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 19:44:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 19:44:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:44:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 19:44:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 19:44:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 19:44:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 19:44:49,795 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-11-06 19:44:53,170 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-06 19:44:53,203 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2019-11-06 19:44:53,204 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2019-11-06 19:44:53,279 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-06 19:44:53,315 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-11-06 19:44:53,315 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-11-06 19:44:53,998 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:44:53,998 INFO L284 CfgBuilder]: Removed 45 assume(true) statements. [2019-11-06 19:44:54,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:44:53 BoogieIcfgContainer [2019-11-06 19:44:54,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:44:54,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:44:54,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:44:54,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:44:54,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:44:45" (1/3) ... [2019-11-06 19:44:54,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2764fa4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:44:54, skipping insertion in model container [2019-11-06 19:44:54,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:44:47" (2/3) ... [2019-11-06 19:44:54,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2764fa4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:44:54, skipping insertion in model container [2019-11-06 19:44:54,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:44:53" (3/3) ... [2019-11-06 19:44:54,011 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-11-06 19:44:54,021 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:44:54,028 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:44:54,037 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:44:54,065 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:44:54,065 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:44:54,065 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:44:54,065 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:44:54,065 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:44:54,066 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:44:54,066 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:44:54,066 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:44:54,106 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states. [2019-11-06 19:44:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-06 19:44:54,115 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:44:54,117 INFO L410 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] [2019-11-06 19:44:54,121 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:44:54,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:44:54,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1111109876, now seen corresponding path program 1 times [2019-11-06 19:44:54,134 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:44:54,135 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260132113] [2019-11-06 19:44:54,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:44:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:57,433 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 673 [2019-11-06 19:44:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:44:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:44:57,737 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260132113] [2019-11-06 19:44:57,738 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:44:57,739 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 19:44:57,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810294522] [2019-11-06 19:44:57,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 19:44:57,746 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:44:57,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 19:44:57,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 19:44:57,763 INFO L87 Difference]: Start difference. First operand 755 states. Second operand 4 states. [2019-11-06 19:45:02,491 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 675 [2019-11-06 19:45:22,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:45:22,472 INFO L93 Difference]: Finished difference Result 2228 states and 3196 transitions. [2019-11-06 19:45:22,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 19:45:22,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-06 19:45:22,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:45:22,505 INFO L225 Difference]: With dead ends: 2228 [2019-11-06 19:45:22,505 INFO L226 Difference]: Without dead ends: 1475 [2019-11-06 19:45:22,514 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:45:22,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2019-11-06 19:45:23,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1419. [2019-11-06 19:45:23,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1419 states. [2019-11-06 19:45:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1768 transitions. [2019-11-06 19:45:23,090 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1768 transitions. Word has length 29 [2019-11-06 19:45:23,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:45:23,091 INFO L462 AbstractCegarLoop]: Abstraction has 1419 states and 1768 transitions. [2019-11-06 19:45:23,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 19:45:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1768 transitions. [2019-11-06 19:45:23,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-06 19:45:23,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:45:23,092 INFO L410 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] [2019-11-06 19:45:23,093 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:45:23,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:45:23,093 INFO L82 PathProgramCache]: Analyzing trace with hash -85001063, now seen corresponding path program 1 times [2019-11-06 19:45:23,093 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:45:23,094 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844165038] [2019-11-06 19:45:23,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:45:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:45:25,570 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 673 [2019-11-06 19:45:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:45:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:45:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:45:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:45:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:45:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:45:25,706 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844165038] [2019-11-06 19:45:25,706 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:45:25,706 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 19:45:25,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471205720] [2019-11-06 19:45:25,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 19:45:25,709 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:45:25,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 19:45:25,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 19:45:25,709 INFO L87 Difference]: Start difference. First operand 1419 states and 1768 transitions. Second operand 4 states.