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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:10:34,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:10:34,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:10:34,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:10:34,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:10:34,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:10:34,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:10:34,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:10:34,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:10:34,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:10:34,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:10:34,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:10:34,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:10:34,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:10:34,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:10:34,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:10:34,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:10:34,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:10:34,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:10:34,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:10:34,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:10:34,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:10:34,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:10:34,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:10:34,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:10:34,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:10:34,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:10:34,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:10:34,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:10:34,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:10:34,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:10:34,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:10:34,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:10:34,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:10:34,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:10:34,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:10:34,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:10:34,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:10:34,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:10:34,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:10:34,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:10:34,732 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 [2019-10-15 02:10:34,751 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:10:34,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:10:34,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:10:34,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:10:34,754 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:10:34,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:10:34,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:10:34,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:10:34,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:10:34,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:10:34,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:10:34,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:10:34,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:10:34,757 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:10:34,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:10:34,757 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:10:34,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:10:34,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:10:34,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:10:34,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:10:34,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:10:34,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:10:34,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:10:34,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:10:34,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:10:34,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:10:34,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:10:34,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:10:34,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:10:35,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:10:35,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:10:35,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:10:35,090 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:10:35,091 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:10:35,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-10-15 02:10:35,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcbbeb8b7/74a1afd62c1d49df99873d3075805c3e/FLAG16f8b0550 [2019-10-15 02:10:35,961 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:10:35,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-10-15 02:10:36,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcbbeb8b7/74a1afd62c1d49df99873d3075805c3e/FLAG16f8b0550 [2019-10-15 02:10:36,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcbbeb8b7/74a1afd62c1d49df99873d3075805c3e [2019-10-15 02:10:36,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:10:36,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:10:36,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:10:36,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:10:36,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:10:36,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:10:36" (1/1) ... [2019-10-15 02:10:36,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524376c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:36, skipping insertion in model container [2019-10-15 02:10:36,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:10:36" (1/1) ... [2019-10-15 02:10:36,529 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:10:36,634 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:10:38,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:10:38,087 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:10:38,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:10:38,596 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:10:38,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:38 WrapperNode [2019-10-15 02:10:38,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:10:38,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:10:38,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:10:38,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:10:38,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:38" (1/1) ... [2019-10-15 02:10:38,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:38" (1/1) ... [2019-10-15 02:10:38,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:38" (1/1) ... [2019-10-15 02:10:38,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:38" (1/1) ... [2019-10-15 02:10:38,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:38" (1/1) ... [2019-10-15 02:10:38,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:38" (1/1) ... [2019-10-15 02:10:38,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:38" (1/1) ... [2019-10-15 02:10:38,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:10:38,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:10:38,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:10:38,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:10:38,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:10:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:10:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:10:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-15 02:10:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 02:10:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int [2019-10-15 02:10:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 02:10:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int [2019-10-15 02:10:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-15 02:10:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_rceb_check [2019-10-15 02:10:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_cmd [2019-10-15 02:10:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_print_state [2019-10-15 02:10:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_upload [2019-10-15 02:10:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-15 02:10:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-15 02:10:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-15 02:10:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-15 02:10:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-15 02:10:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-15 02:10:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:10:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:10:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdrs_free [2019-10-15 02:10:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdr_load [2019-10-15 02:10:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdrs_load [2019-10-15 02:10:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_cmp [2019-10-15 02:10:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_hdrs_push [2019-10-15 02:10:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_upload_enable [2019-10-15 02:10:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_upload_disable [2019-10-15 02:10:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __mac_fw_upload [2019-10-15 02:10:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_pre_fw_upload [2019-10-15 02:10:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_cmd_reset [2019-10-15 02:10:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_is_running_q [2019-10-15 02:10:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mac_fw_upload [2019-10-15 02:10:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mpi_write [2019-10-15 02:10:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mpi_read [2019-10-15 02:10:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_phy_fw_upload [2019-10-15 02:10:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion___0 [2019-10-15 02:10:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-15 02:10:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-15 02:10:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-15 02:10:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-15 02:10:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-15 02:10:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:10:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_init [2019-10-15 02:10:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_init [2019-10-15 02:10:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_create [2019-10-15 02:10:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_destroy [2019-10-15 02:10:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_write [2019-10-15 02:10:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_read [2019-10-15 02:10:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_neep_cb [2019-10-15 02:10:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_wait_init_done [2019-10-15 02:10:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_cmd [2019-10-15 02:10:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_probe [2019-10-15 02:10:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_init [2019-10-15 02:10:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-15 02:10:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_exit [2019-10-15 02:10:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-15 02:10:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:10:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-15 02:10:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:10:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 02:10:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-15 02:10:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 02:10:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-15 02:10:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 02:10:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-15 02:10:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-10-15 02:10:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-15 02:10:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:10:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-15 02:10:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-15 02:10:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-15 02:10:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-15 02:10:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-15 02:10:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-15 02:10:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-10-15 02:10:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2019-10-15 02:10:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-15 02:10:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-10-15 02:10:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2019-10-15 02:10:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-15 02:10:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-10-15 02:10:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-15 02:10:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-15 02:10:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2019-10-15 02:10:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:10:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:10:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:10:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:10:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:10:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-15 02:10:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-15 02:10:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:10:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2019-10-15 02:10:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_upload [2019-10-15 02:10:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_pre_fw_upload [2019-10-15 02:10:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mac_fw_upload [2019-10-15 02:10:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_phy_fw_upload [2019-10-15 02:10:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_cmd [2019-10-15 02:10:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_rceb_check [2019-10-15 02:10:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 02:10:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 02:10:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-10-15 02:10:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:10:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:10:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:10:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-15 02:10:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 02:10:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:10:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_print_state [2019-10-15 02:10:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int [2019-10-15 02:10:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 02:10:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-15 02:10:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-15 02:10:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-15 02:10:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-15 02:10:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-15 02:10:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-15 02:10:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-15 02:10:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:10:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-15 02:10:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-15 02:10:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:10:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-15 02:10:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-15 02:10:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:10:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:10:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-15 02:10:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-15 02:10:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdrs_free [2019-10-15 02:10:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdr_load [2019-10-15 02:10:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:10:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdrs_load [2019-10-15 02:10:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_cmp [2019-10-15 02:10:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_hdrs_push [2019-10-15 02:10:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int [2019-10-15 02:10:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_upload_enable [2019-10-15 02:10:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_upload_disable [2019-10-15 02:10:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure __mac_fw_upload [2019-10-15 02:10:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_cmd_reset [2019-10-15 02:10:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_is_running_q [2019-10-15 02:10:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:10:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:10:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mpi_write [2019-10-15 02:10:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:10:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mpi_read [2019-10-15 02:10:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:10:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion___0 [2019-10-15 02:10:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-15 02:10:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-15 02:10:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-15 02:10:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 02:10:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-15 02:10:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2019-10-15 02:10:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2019-10-15 02:10:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-15 02:10:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-10-15 02:10:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-10-15 02:10:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-10-15 02:10:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-15 02:10:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-15 02:10:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-15 02:10:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-15 02:10:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-15 02:10:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-15 02:10:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-15 02:10:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-15 02:10:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-15 02:10:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:10:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_init [2019-10-15 02:10:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_init [2019-10-15 02:10:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_create [2019-10-15 02:10:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_destroy [2019-10-15 02:10:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_write [2019-10-15 02:10:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_read [2019-10-15 02:10:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_neep_cb [2019-10-15 02:10:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_wait_init_done [2019-10-15 02:10:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_cmd [2019-10-15 02:10:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_probe [2019-10-15 02:10:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_init [2019-10-15 02:10:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_exit [2019-10-15 02:10:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-15 02:10:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:10:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:10:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:10:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:10:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 02:10:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:10:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:10:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:10:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:10:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:10:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:10:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:10:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:10:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:10:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:10:40,700 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-15 02:10:44,389 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 02:10:44,422 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2019-10-15 02:10:44,422 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2019-10-15 02:10:44,484 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 02:10:44,527 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-10-15 02:10:44,527 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-10-15 02:10:55,421 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:10:55,422 INFO L284 CfgBuilder]: Removed 45 assume(true) statements. [2019-10-15 02:10:55,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:10:55 BoogieIcfgContainer [2019-10-15 02:10:55,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:10:55,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:10:55,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:10:55,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:10:55,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:10:36" (1/3) ... [2019-10-15 02:10:55,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e4e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:10:55, skipping insertion in model container [2019-10-15 02:10:55,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:38" (2/3) ... [2019-10-15 02:10:55,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e4e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:10:55, skipping insertion in model container [2019-10-15 02:10:55,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:10:55" (3/3) ... [2019-10-15 02:10:55,437 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-10-15 02:10:55,448 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:10:55,462 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:10:55,476 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:10:55,527 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:10:55,528 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:10:55,528 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:10:55,528 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:10:55,528 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:10:55,529 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:10:55,529 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:10:55,529 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:10:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states. [2019-10-15 02:10:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-15 02:10:55,591 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:55,592 INFO L380 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] [2019-10-15 02:10:55,596 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:55,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:55,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1453070897, now seen corresponding path program 1 times [2019-10-15 02:10:55,618 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:55,618 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326569237] [2019-10-15 02:10:55,619 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:55,619 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:55,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:10:56,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326569237] [2019-10-15 02:10:56,504 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:10:56,504 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:10:56,505 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883573412] [2019-10-15 02:10:56,510 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:10:56,510 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:10:56,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:10:56,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:10:56,529 INFO L87 Difference]: Start difference. First operand 603 states. Second operand 3 states. [2019-10-15 02:10:56,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:10:56,733 INFO L93 Difference]: Finished difference Result 1274 states and 1725 transitions. [2019-10-15 02:10:56,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:10:56,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-15 02:10:56,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:10:56,778 INFO L225 Difference]: With dead ends: 1274 [2019-10-15 02:10:56,778 INFO L226 Difference]: Without dead ends: 682 [2019-10-15 02:10:56,793 INFO L600 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 [2019-10-15 02:10:56,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2019-10-15 02:10:56,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 679. [2019-10-15 02:10:56,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2019-10-15 02:10:56,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 830 transitions. [2019-10-15 02:10:56,950 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 830 transitions. Word has length 25 [2019-10-15 02:10:56,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:10:56,951 INFO L462 AbstractCegarLoop]: Abstraction has 679 states and 830 transitions. [2019-10-15 02:10:56,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:10:56,951 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 830 transitions. [2019-10-15 02:10:56,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-15 02:10:56,952 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:56,952 INFO L380 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] [2019-10-15 02:10:56,953 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:56,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:56,955 INFO L82 PathProgramCache]: Analyzing trace with hash 2095191572, now seen corresponding path program 1 times [2019-10-15 02:10:56,955 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:56,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660956271] [2019-10-15 02:10:56,955 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:56,956 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:56,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:10:57,169 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660956271] [2019-10-15 02:10:57,169 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:10:57,169 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:10:57,169 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048901595] [2019-10-15 02:10:57,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:10:57,171 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:10:57,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:10:57,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:10:57,172 INFO L87 Difference]: Start difference. First operand 679 states and 830 transitions. Second operand 3 states. [2019-10-15 02:10:57,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:10:57,204 INFO L93 Difference]: Finished difference Result 681 states and 831 transitions. [2019-10-15 02:10:57,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:10:57,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-15 02:10:57,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:10:57,210 INFO L225 Difference]: With dead ends: 681 [2019-10-15 02:10:57,211 INFO L226 Difference]: Without dead ends: 669 [2019-10-15 02:10:57,212 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:10:57,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2019-10-15 02:10:57,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2019-10-15 02:10:57,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2019-10-15 02:10:57,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 816 transitions. [2019-10-15 02:10:57,280 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 816 transitions. Word has length 26 [2019-10-15 02:10:57,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:10:57,281 INFO L462 AbstractCegarLoop]: Abstraction has 669 states and 816 transitions. [2019-10-15 02:10:57,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:10:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 816 transitions. [2019-10-15 02:10:57,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-15 02:10:57,294 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:57,295 INFO L380 BasicCegarLoop]: trace histogram [5, 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] [2019-10-15 02:10:57,295 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:57,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:57,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1793758496, now seen corresponding path program 1 times [2019-10-15 02:10:57,296 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:57,296 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164964774] [2019-10-15 02:10:57,296 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:57,297 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:57,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 02:10:57,710 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164964774] [2019-10-15 02:10:57,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:10:57,711 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:10:57,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312670191] [2019-10-15 02:10:57,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:10:57,713 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:10:57,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:10:57,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:10:57,714 INFO L87 Difference]: Start difference. First operand 669 states and 816 transitions. Second operand 5 states. [2019-10-15 02:10:58,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:10:58,035 INFO L93 Difference]: Finished difference Result 1224 states and 1506 transitions. [2019-10-15 02:10:58,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:10:58,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2019-10-15 02:10:58,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:10:58,048 INFO L225 Difference]: With dead ends: 1224 [2019-10-15 02:10:58,048 INFO L226 Difference]: Without dead ends: 675 [2019-10-15 02:10:58,052 INFO L600 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 [2019-10-15 02:10:58,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2019-10-15 02:10:58,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 673. [2019-10-15 02:10:58,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2019-10-15 02:10:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 821 transitions. [2019-10-15 02:10:58,115 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 821 transitions. Word has length 150 [2019-10-15 02:10:58,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:10:58,119 INFO L462 AbstractCegarLoop]: Abstraction has 673 states and 821 transitions. [2019-10-15 02:10:58,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:10:58,119 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 821 transitions. [2019-10-15 02:10:58,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-15 02:10:58,133 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:58,134 INFO L380 BasicCegarLoop]: trace histogram [5, 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] [2019-10-15 02:10:58,134 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:58,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:58,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1736691416, now seen corresponding path program 1 times [2019-10-15 02:10:58,135 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:58,135 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962528584] [2019-10-15 02:10:58,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:58,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:58,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY