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-f4eb214f-m [2019-10-13 22:08:08,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:08:08,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:08:08,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:08:08,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:08:08,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:08:08,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:08:08,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:08:08,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:08:08,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:08:08,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:08:08,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:08:08,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:08:08,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:08:08,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:08:08,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:08:08,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:08:08,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:08:08,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:08:08,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:08:08,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:08:08,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:08:08,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:08:08,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:08:08,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:08:08,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:08:08,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:08:08,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:08:08,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:08:08,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:08:08,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:08:08,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:08:08,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:08:08,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:08:08,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:08:08,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:08:08,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:08:08,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:08:08,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:08:08,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:08:08,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:08:08,063 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 [2019-10-13 22:08:08,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:08:08,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:08:08,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:08:08,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:08:08,080 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:08:08,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:08:08,080 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:08:08,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:08:08,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:08:08,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:08:08,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:08:08,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:08:08,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:08:08,082 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:08:08,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:08:08,082 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:08:08,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:08:08,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:08:08,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:08:08,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:08:08,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:08:08,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:08:08,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:08:08,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:08:08,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:08:08,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:08:08,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:08:08,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:08:08,086 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 [2019-10-13 22:08:08,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:08:08,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:08:08,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:08:08,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:08:08,394 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:08:08,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-10-13 22:08:08,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf278b5ba/11455716557a4be58071f317c3c196d2/FLAGd068c4774 [2019-10-13 22:08:09,227 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:08:09,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-10-13 22:08:09,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf278b5ba/11455716557a4be58071f317c3c196d2/FLAGd068c4774 [2019-10-13 22:08:09,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf278b5ba/11455716557a4be58071f317c3c196d2 [2019-10-13 22:08:09,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:08:09,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:08:09,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:08:09,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:08:09,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:08:09,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:08:09" (1/1) ... [2019-10-13 22:08:09,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6764f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:09, skipping insertion in model container [2019-10-13 22:08:09,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:08:09" (1/1) ... [2019-10-13 22:08:09,805 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:08:09,931 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:08:11,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:08:11,427 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:08:11,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:08:11,848 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:08:11,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:11 WrapperNode [2019-10-13 22:08:11,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:08:11,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:08:11,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:08:11,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:08:11,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:11" (1/1) ... [2019-10-13 22:08:11,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:11" (1/1) ... [2019-10-13 22:08:11,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:11" (1/1) ... [2019-10-13 22:08:11,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:11" (1/1) ... [2019-10-13 22:08:12,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:11" (1/1) ... [2019-10-13 22:08:12,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:11" (1/1) ... [2019-10-13 22:08:12,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:11" (1/1) ... [2019-10-13 22:08:12,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:08:12,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:08:12,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:08:12,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:08:12,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:11" (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 [2019-10-13 22:08:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:08:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:08:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 22:08:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:08:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int [2019-10-13 22:08:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:08:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int [2019-10-13 22:08:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-13 22:08:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_rceb_check [2019-10-13 22:08:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_cmd [2019-10-13 22:08:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_print_state [2019-10-13 22:08:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_upload [2019-10-13 22:08:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-13 22:08:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-13 22:08:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 22:08:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 22:08:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 22:08:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 22:08:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:08:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:08:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdrs_free [2019-10-13 22:08:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdr_load [2019-10-13 22:08:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdrs_load [2019-10-13 22:08:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_cmp [2019-10-13 22:08:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_hdrs_push [2019-10-13 22:08:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_upload_enable [2019-10-13 22:08:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_fw_upload_disable [2019-10-13 22:08:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __mac_fw_upload [2019-10-13 22:08:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_pre_fw_upload [2019-10-13 22:08:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_cmd_reset [2019-10-13 22:08:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_is_running_q [2019-10-13 22:08:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mac_fw_upload [2019-10-13 22:08:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mpi_write [2019-10-13 22:08:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mpi_read [2019-10-13 22:08:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_phy_fw_upload [2019-10-13 22:08:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion___0 [2019-10-13 22:08:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-13 22:08:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 22:08:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-13 22:08:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-13 22:08:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 22:08:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:08:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_init [2019-10-13 22:08:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_init [2019-10-13 22:08:12,178 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_create [2019-10-13 22:08:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_destroy [2019-10-13 22:08:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_write [2019-10-13 22:08:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_read [2019-10-13 22:08:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_neep_cb [2019-10-13 22:08:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_wait_init_done [2019-10-13 22:08:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_cmd [2019-10-13 22:08:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_usb_probe [2019-10-13 22:08:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_init [2019-10-13 22:08:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-13 22:08:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_exit [2019-10-13 22:08:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-13 22:08:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:08:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 22:08:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:08:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 22:08:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-13 22:08:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 22:08:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-13 22:08:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:08:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-13 22:08:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-10-13 22:08:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-13 22:08:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:08:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-13 22:08:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 22:08:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-13 22:08:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-13 22:08:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 22:08:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 22:08:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-10-13 22:08:12,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2019-10-13 22:08:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 22:08:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-10-13 22:08:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2019-10-13 22:08:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 22:08:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-10-13 22:08:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-13 22:08:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 22:08:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2019-10-13 22:08:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:08:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:08:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:08:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:08:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:08:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 22:08:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-13 22:08:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:08:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2019-10-13 22:08:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_upload [2019-10-13 22:08:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_pre_fw_upload [2019-10-13 22:08:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mac_fw_upload [2019-10-13 22:08:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_phy_fw_upload [2019-10-13 22:08:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_cmd [2019-10-13 22:08:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_rceb_check [2019-10-13 22:08:12,187 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 22:08:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 22:08:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-10-13 22:08:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:08:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:08:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:08:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 22:08:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:08:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:08:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_print_state [2019-10-13 22:08:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int [2019-10-13 22:08:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:08:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-13 22:08:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-13 22:08:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 22:08:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 22:08:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 22:08:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 22:08:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-13 22:08:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:08:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 22:08:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-13 22:08:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:08:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-13 22:08:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-13 22:08:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:08:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:08:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-13 22:08:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-13 22:08:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdrs_free [2019-10-13 22:08:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdr_load [2019-10-13 22:08:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:08:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdrs_load [2019-10-13 22:08:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_cmp [2019-10-13 22:08:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_hdrs_push [2019-10-13 22:08:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int [2019-10-13 22:08:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_upload_enable [2019-10-13 22:08:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure mac_fw_upload_disable [2019-10-13 22:08:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure __mac_fw_upload [2019-10-13 22:08:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_cmd_reset [2019-10-13 22:08:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_is_running_q [2019-10-13 22:08:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:08:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:08:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mpi_write [2019-10-13 22:08:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:08:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mpi_read [2019-10-13 22:08:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:08:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion___0 [2019-10-13 22:08:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-13 22:08:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-13 22:08:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-13 22:08:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:08:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-13 22:08:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2019-10-13 22:08:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2019-10-13 22:08:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 22:08:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-10-13 22:08:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-10-13 22:08:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-10-13 22:08:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 22:08:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-13 22:08:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 22:08:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-13 22:08:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 22:08:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 22:08:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 22:08:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-13 22:08:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 22:08:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:08:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_init [2019-10-13 22:08:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_init [2019-10-13 22:08:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_create [2019-10-13 22:08:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_destroy [2019-10-13 22:08:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_write [2019-10-13 22:08:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_read [2019-10-13 22:08:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_neep_cb [2019-10-13 22:08:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_wait_init_done [2019-10-13 22:08:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_cmd [2019-10-13 22:08:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_usb_probe [2019-10-13 22:08:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_init [2019-10-13 22:08:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_exit [2019-10-13 22:08:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-13 22:08:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:08:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:08:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:08:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:08:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 22:08:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:08:12,200 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:08:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:08:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:08:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:08:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:08:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:08:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:08:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:08:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:08:13,799 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-13 22:08:17,276 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 22:08:17,308 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2019-10-13 22:08:17,308 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2019-10-13 22:08:17,366 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 22:08:17,396 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-10-13 22:08:17,396 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-10-13 22:08:27,824 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:08:27,824 INFO L284 CfgBuilder]: Removed 45 assume(true) statements. [2019-10-13 22:08:27,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:08:27 BoogieIcfgContainer [2019-10-13 22:08:27,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:08:27,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:08:27,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:08:27,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:08:27,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:08:09" (1/3) ... [2019-10-13 22:08:27,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afdbbed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:08:27, skipping insertion in model container [2019-10-13 22:08:27,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:11" (2/3) ... [2019-10-13 22:08:27,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afdbbed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:08:27, skipping insertion in model container [2019-10-13 22:08:27,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:08:27" (3/3) ... [2019-10-13 22:08:27,834 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2019-10-13 22:08:27,844 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:08:27,853 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:08:27,864 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:08:27,894 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:08:27,894 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:08:27,895 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:08:27,895 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:08:27,895 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:08:27,895 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:08:27,895 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:08:27,895 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:08:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states. [2019-10-13 22:08:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-13 22:08:27,933 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:27,934 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] [2019-10-13 22:08:27,937 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:27,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:27,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1453070897, now seen corresponding path program 1 times [2019-10-13 22:08:27,953 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:27,953 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623868729] [2019-10-13 22:08:27,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:27,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:27,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:08:28,754 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623868729] [2019-10-13 22:08:28,755 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:28,755 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:28,756 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502542713] [2019-10-13 22:08:28,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:28,761 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:28,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:28,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:28,778 INFO L87 Difference]: Start difference. First operand 603 states. Second operand 3 states. [2019-10-13 22:08:28,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:28,970 INFO L93 Difference]: Finished difference Result 1274 states and 1725 transitions. [2019-10-13 22:08:28,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:28,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-13 22:08:28,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:29,006 INFO L225 Difference]: With dead ends: 1274 [2019-10-13 22:08:29,007 INFO L226 Difference]: Without dead ends: 682 [2019-10-13 22:08:29,021 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 [2019-10-13 22:08:29,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2019-10-13 22:08:29,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 679. [2019-10-13 22:08:29,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2019-10-13 22:08:29,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 830 transitions. [2019-10-13 22:08:29,204 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 830 transitions. Word has length 25 [2019-10-13 22:08:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:29,205 INFO L462 AbstractCegarLoop]: Abstraction has 679 states and 830 transitions. [2019-10-13 22:08:29,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 830 transitions. [2019-10-13 22:08:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-13 22:08:29,207 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:29,207 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] [2019-10-13 22:08:29,207 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:29,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:29,215 INFO L82 PathProgramCache]: Analyzing trace with hash 2095191572, now seen corresponding path program 1 times [2019-10-13 22:08:29,215 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:29,216 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247991425] [2019-10-13 22:08:29,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:29,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:29,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:08:29,464 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247991425] [2019-10-13 22:08:29,464 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:29,464 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:29,464 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130806569] [2019-10-13 22:08:29,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:29,467 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:29,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:29,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:29,468 INFO L87 Difference]: Start difference. First operand 679 states and 830 transitions. Second operand 3 states. [2019-10-13 22:08:29,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:29,520 INFO L93 Difference]: Finished difference Result 681 states and 831 transitions. [2019-10-13 22:08:29,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:29,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-13 22:08:29,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:29,528 INFO L225 Difference]: With dead ends: 681 [2019-10-13 22:08:29,528 INFO L226 Difference]: Without dead ends: 669 [2019-10-13 22:08:29,530 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 [2019-10-13 22:08:29,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2019-10-13 22:08:29,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2019-10-13 22:08:29,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2019-10-13 22:08:29,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 816 transitions. [2019-10-13 22:08:29,587 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 816 transitions. Word has length 26 [2019-10-13 22:08:29,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:29,587 INFO L462 AbstractCegarLoop]: Abstraction has 669 states and 816 transitions. [2019-10-13 22:08:29,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:29,587 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 816 transitions. [2019-10-13 22:08:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-13 22:08:29,600 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:29,601 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] [2019-10-13 22:08:29,601 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:29,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:29,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1793758496, now seen corresponding path program 1 times [2019-10-13 22:08:29,602 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:29,602 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404077994] [2019-10-13 22:08:29,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:29,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:29,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 22:08:30,055 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404077994] [2019-10-13 22:08:30,055 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:30,055 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:08:30,056 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93256472] [2019-10-13 22:08:30,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:08:30,057 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:30,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:08:30,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:08:30,057 INFO L87 Difference]: Start difference. First operand 669 states and 816 transitions. Second operand 5 states. [2019-10-13 22:08:30,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:30,259 INFO L93 Difference]: Finished difference Result 1224 states and 1506 transitions. [2019-10-13 22:08:30,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:08:30,260 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2019-10-13 22:08:30,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:30,266 INFO L225 Difference]: With dead ends: 1224 [2019-10-13 22:08:30,267 INFO L226 Difference]: Without dead ends: 675 [2019-10-13 22:08:30,269 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 [2019-10-13 22:08:30,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2019-10-13 22:08:30,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 673. [2019-10-13 22:08:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2019-10-13 22:08:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 821 transitions. [2019-10-13 22:08:30,320 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 821 transitions. Word has length 150 [2019-10-13 22:08:30,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:30,321 INFO L462 AbstractCegarLoop]: Abstraction has 673 states and 821 transitions. [2019-10-13 22:08:30,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:08:30,321 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 821 transitions. [2019-10-13 22:08:30,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-13 22:08:30,324 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:30,324 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] [2019-10-13 22:08:30,324 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:30,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:30,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1736691416, now seen corresponding path program 1 times [2019-10-13 22:08:30,325 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:30,325 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787665036] [2019-10-13 22:08:30,325 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:30,325 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:30,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY