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-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:32:30,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:32:30,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:32:31,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:32:31,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:32:31,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:32:31,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:32:31,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:32:31,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:32:31,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:32:31,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:32:31,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:32:31,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:32:31,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:32:31,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:32:31,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:32:31,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:32:31,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:32:31,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:32:31,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:32:31,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:32:31,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:32:31,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:32:31,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:32:31,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:32:31,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:32:31,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:32:31,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:32:31,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:32:31,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:32:31,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:32:31,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:32:31,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:32:31,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:32:31,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:32:31,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:32:31,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:32:31,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:32:31,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:32:31,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:32:31,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:32:31,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:32:31,074 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:32:31,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:32:31,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:32:31,075 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:32:31,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:32:31,076 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:32:31,076 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:32:31,076 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:32:31,076 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:32:31,077 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:32:31,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:32:31,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:32:31,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:32:31,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:32:31,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:32:31,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:32:31,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:32:31,079 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:32:31,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:32:31,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:32:31,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:32:31,080 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:32:31,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:32:31,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:32:31,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:32:31,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:32:31,081 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:32:31,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:32:31,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:32:31,081 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:32:31,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:32:31,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:32:31,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:32:31,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:32:31,132 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:32:31,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-09-20 13:32:31,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/366e6c91e/ffe7505880fa42de8cbc8249af6704ca/FLAG4ca6a0184 [2019-09-20 13:32:31,952 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:32:31,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-09-20 13:32:32,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/366e6c91e/ffe7505880fa42de8cbc8249af6704ca/FLAG4ca6a0184 [2019-09-20 13:32:32,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/366e6c91e/ffe7505880fa42de8cbc8249af6704ca [2019-09-20 13:32:32,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:32:32,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:32:32,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:32:32,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:32:32,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:32:32,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:32:32" (1/1) ... [2019-09-20 13:32:32,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@720fd2f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:32, skipping insertion in model container [2019-09-20 13:32:32,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:32:32" (1/1) ... [2019-09-20 13:32:32,076 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:32:32,215 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:32:33,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:32:33,842 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:32:34,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:32:34,291 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:32:34,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34 WrapperNode [2019-09-20 13:32:34,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:32:34,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:32:34,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:32:34,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:32:34,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... [2019-09-20 13:32:34,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:32:34,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:32:34,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:32:34,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:32:34,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:32:34,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:32:34,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:32:34,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-20 13:32:34,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:32:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int [2019-09-20 13:32:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:32:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int [2019-09-20 13:32:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-20 13:32:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_rceb_check [2019-09-20 13:32:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_cmd [2019-09-20 13:32:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_print_state [2019-09-20 13:32:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_upload [2019-09-20 13:32:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 13:32:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-09-20 13:32:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-20 13:32:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-20 13:32:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 13:32:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:32:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:32:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:32:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdrs_free [2019-09-20 13:32:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdr_load [2019-09-20 13:32:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdrs_load [2019-09-20 13:32:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_cmp [2019-09-20 13:32:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_hdrs_push [2019-09-20 13:32:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_upload_enable [2019-09-20 13:32:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_upload_disable [2019-09-20 13:32:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __mac_fw_upload [2019-09-20 13:32:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_pre_fw_upload [2019-09-20 13:32:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_cmd_reset [2019-09-20 13:32:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_is_running_q [2019-09-20 13:32:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mac_fw_upload [2019-09-20 13:32:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mpi_write [2019-09-20 13:32:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mpi_read [2019-09-20 13:32:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_phy_fw_upload [2019-09-20 13:32:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion___0 [2019-09-20 13:32:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-20 13:32:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:32:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-20 13:32:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-20 13:32:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:32:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:32:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_init [2019-09-20 13:32:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_init [2019-09-20 13:32:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_create [2019-09-20 13:32:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_destroy [2019-09-20 13:32:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_write [2019-09-20 13:32:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_read [2019-09-20 13:32:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_neep_cb [2019-09-20 13:32:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_wait_init_done [2019-09-20 13:32:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_cmd [2019-09-20 13:32:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_probe [2019-09-20 13:32:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_init [2019-09-20 13:32:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-09-20 13:32:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_exit [2019-09-20 13:32:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-09-20 13:32:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:32:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:32:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:32:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 13:32:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-20 13:32:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:32:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-20 13:32:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:32:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-20 13:32:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-09-20 13:32:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 13:32:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:32:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-09-20 13:32:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-20 13:32:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-20 13:32:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-09-20 13:32:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-20 13:32:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:32:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-09-20 13:32:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2019-09-20 13:32:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 13:32:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-09-20 13:32:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2019-09-20 13:32:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:32:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-20 13:32:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-20 13:32:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 13:32:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2019-09-20 13:32:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:32:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:32:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:32:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:32:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:32:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:32:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-20 13:32:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:32:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2019-09-20 13:32:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_upload [2019-09-20 13:32:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_pre_fw_upload [2019-09-20 13:32:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mac_fw_upload [2019-09-20 13:32:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_phy_fw_upload [2019-09-20 13:32:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_cmd [2019-09-20 13:32:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_rceb_check [2019-09-20 13:32:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:32:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 13:32:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-09-20 13:32:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:32:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:32:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:32:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-20 13:32:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:32:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:32:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_print_state [2019-09-20 13:32:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int [2019-09-20 13:32:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:32:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 13:32:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-09-20 13:32:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 13:32:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:32:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-20 13:32:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-20 13:32:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-09-20 13:32:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:32:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-20 13:32:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-20 13:32:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:32:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-09-20 13:32:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-20 13:32:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:32:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:32:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-20 13:32:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-20 13:32:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdrs_free [2019-09-20 13:32:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdr_load [2019-09-20 13:32:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:32:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdrs_load [2019-09-20 13:32:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_cmp [2019-09-20 13:32:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_hdrs_push [2019-09-20 13:32:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int [2019-09-20 13:32:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_upload_enable [2019-09-20 13:32:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_upload_disable [2019-09-20 13:32:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure __mac_fw_upload [2019-09-20 13:32:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_cmd_reset [2019-09-20 13:32:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_is_running_q [2019-09-20 13:32:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:32:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:32:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mpi_write [2019-09-20 13:32:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:32:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mpi_read [2019-09-20 13:32:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:32:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion___0 [2019-09-20 13:32:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-20 13:32:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-09-20 13:32:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-09-20 13:32:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:32:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-20 13:32:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2019-09-20 13:32:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2019-09-20 13:32:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:32:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-09-20 13:32:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-09-20 13:32:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-20 13:32:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:32:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-20 13:32:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:32:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-20 13:32:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 13:32:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 13:32:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-20 13:32:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-20 13:32:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:32:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:32:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_init [2019-09-20 13:32:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_init [2019-09-20 13:32:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_create [2019-09-20 13:32:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_destroy [2019-09-20 13:32:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_write [2019-09-20 13:32:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_read [2019-09-20 13:32:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_neep_cb [2019-09-20 13:32:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_wait_init_done [2019-09-20 13:32:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_cmd [2019-09-20 13:32:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_probe [2019-09-20 13:32:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_init [2019-09-20 13:32:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_exit [2019-09-20 13:32:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 13:32:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:32:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:32:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:32:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:32:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 13:32:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:32:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:32:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:32:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:32:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:32:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:32:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:32:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:32:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:32:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:32:36,223 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-09-20 13:32:39,656 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:32:39,685 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2019-09-20 13:32:39,685 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2019-09-20 13:32:39,740 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:32:39,777 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 13:32:39,777 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 13:32:40,341 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:32:40,342 INFO L283 CfgBuilder]: Removed 45 assume(true) statements. [2019-09-20 13:32:40,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:32:40 BoogieIcfgContainer [2019-09-20 13:32:40,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:32:40,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:32:40,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:32:40,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:32:40,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:32:32" (1/3) ... [2019-09-20 13:32:40,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205d2685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:32:40, skipping insertion in model container [2019-09-20 13:32:40,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:34" (2/3) ... [2019-09-20 13:32:40,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205d2685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:32:40, skipping insertion in model container [2019-09-20 13:32:40,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:32:40" (3/3) ... [2019-09-20 13:32:40,354 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-09-20 13:32:40,364 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:32:40,374 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:32:40,392 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:32:40,420 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:32:40,421 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:32:40,421 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:32:40,421 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:32:40,421 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:32:40,421 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:32:40,421 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:32:40,422 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:32:40,453 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states. [2019-09-20 13:32:40,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-09-20 13:32:40,466 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:40,467 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:32:40,469 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:40,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:40,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1111109876, now seen corresponding path program 1 times [2019-09-20 13:32:40,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:40,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:40,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:40,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:40,565 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:41,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:41,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:32:41,185 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:41,191 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:32:41,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:32:41,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:41,210 INFO L87 Difference]: Start difference. First operand 755 states. Second operand 3 states. [2019-09-20 13:32:41,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:41,390 INFO L93 Difference]: Finished difference Result 1444 states and 1803 transitions. [2019-09-20 13:32:41,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:32:41,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-09-20 13:32:41,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:41,451 INFO L225 Difference]: With dead ends: 1444 [2019-09-20 13:32:41,451 INFO L226 Difference]: Without dead ends: 1409 [2019-09-20 13:32:41,453 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:41,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2019-09-20 13:32:41,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1406. [2019-09-20 13:32:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1406 states. [2019-09-20 13:32:41,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 1751 transitions. [2019-09-20 13:32:41,759 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 1751 transitions. Word has length 29 [2019-09-20 13:32:41,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:41,760 INFO L475 AbstractCegarLoop]: Abstraction has 1406 states and 1751 transitions. [2019-09-20 13:32:41,760 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:32:41,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1751 transitions. [2019-09-20 13:32:41,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-09-20 13:32:41,761 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:41,764 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:32:41,765 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:41,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:41,766 INFO L82 PathProgramCache]: Analyzing trace with hash -85001063, now seen corresponding path program 1 times [2019-09-20 13:32:41,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:41,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:41,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:41,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:41,777 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:32:42,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:42,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:32:42,013 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:42,015 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:32:42,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:32:42,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:42,016 INFO L87 Difference]: Start difference. First operand 1406 states and 1751 transitions. Second operand 3 states. [2019-09-20 13:32:42,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:42,060 INFO L93 Difference]: Finished difference Result 1405 states and 1749 transitions. [2019-09-20 13:32:42,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:32:42,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-09-20 13:32:42,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:42,075 INFO L225 Difference]: With dead ends: 1405 [2019-09-20 13:32:42,075 INFO L226 Difference]: Without dead ends: 1395 [2019-09-20 13:32:42,076 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:32:42,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2019-09-20 13:32:42,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2019-09-20 13:32:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2019-09-20 13:32:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1736 transitions. [2019-09-20 13:32:42,145 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1736 transitions. Word has length 30 [2019-09-20 13:32:42,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:42,146 INFO L475 AbstractCegarLoop]: Abstraction has 1395 states and 1736 transitions. [2019-09-20 13:32:42,146 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:32:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1736 transitions. [2019-09-20 13:32:42,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-09-20 13:32:42,157 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:42,157 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 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] [2019-09-20 13:32:42,158 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:42,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:42,158 INFO L82 PathProgramCache]: Analyzing trace with hash 292181543, now seen corresponding path program 1 times [2019-09-20 13:32:42,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:42,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:42,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:42,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:42,167 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:32:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:32:42,478 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-09-20 13:32:42,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:32:42,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:32:42,479 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:32:42,479 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:32:42,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:32:42,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:32:42,480 INFO L87 Difference]: Start difference. First operand 1395 states and 1736 transitions. Second operand 5 states. [2019-09-20 13:32:43,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:32:43,035 INFO L93 Difference]: Finished difference Result 1407 states and 1751 transitions. [2019-09-20 13:32:43,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:32:43,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2019-09-20 13:32:43,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:32:43,045 INFO L225 Difference]: With dead ends: 1407 [2019-09-20 13:32:43,045 INFO L226 Difference]: Without dead ends: 1407 [2019-09-20 13:32:43,045 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:32:43,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2019-09-20 13:32:43,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1403. [2019-09-20 13:32:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1403 states. [2019-09-20 13:32:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1745 transitions. [2019-09-20 13:32:43,090 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1745 transitions. Word has length 178 [2019-09-20 13:32:43,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:32:43,091 INFO L475 AbstractCegarLoop]: Abstraction has 1403 states and 1745 transitions. [2019-09-20 13:32:43,091 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:32:43,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1745 transitions. [2019-09-20 13:32:43,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-09-20 13:32:43,098 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:32:43,098 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:32:43,098 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:32:43,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:32:43,099 INFO L82 PathProgramCache]: Analyzing trace with hash -777677134, now seen corresponding path program 1 times [2019-09-20 13:32:43,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:32:43,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:43,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:32:43,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:32:43,108 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)