/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 02:30:02,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 02:30:02,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 02:30:02,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 02:30:02,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 02:30:02,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 02:30:02,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 02:30:02,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 02:30:02,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 02:30:02,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 02:30:02,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 02:30:02,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 02:30:02,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 02:30:02,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 02:30:02,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 02:30:02,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 02:30:02,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 02:30:02,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 02:30:02,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 02:30:02,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 02:30:02,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 02:30:02,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 02:30:02,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 02:30:02,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 02:30:02,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 02:30:02,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 02:30:02,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 02:30:02,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 02:30:02,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 02:30:02,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 02:30:02,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 02:30:02,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 02:30:02,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 02:30:02,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 02:30:02,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 02:30:02,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 02:30:02,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 02:30:02,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 02:30:02,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 02:30:02,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 02:30:02,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 02:30:02,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 02:30:02,229 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 02:30:02,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 02:30:02,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 02:30:02,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 02:30:02,232 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 02:30:02,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 02:30:02,232 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 02:30:02,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 02:30:02,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 02:30:02,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 02:30:02,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 02:30:02,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 02:30:02,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 02:30:02,235 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 02:30:02,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 02:30:02,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 02:30:02,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 02:30:02,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 02:30:02,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 02:30:02,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 02:30:02,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 02:30:02,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:30:02,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 02:30:02,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 02:30:02,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 02:30:02,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 02:30:02,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 02:30:02,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 02:30:02,242 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 [2019-11-07 02:30:02,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 02:30:02,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 02:30:02,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 02:30:02,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 02:30:02,536 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 02:30:02,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2019-11-07 02:30:02,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ddf9dc25/7a4697d3428b4680a74caccc118a9b46/FLAG52a9fe1d1 [2019-11-07 02:30:03,419 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 02:30:03,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2019-11-07 02:30:03,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ddf9dc25/7a4697d3428b4680a74caccc118a9b46/FLAG52a9fe1d1 [2019-11-07 02:30:03,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ddf9dc25/7a4697d3428b4680a74caccc118a9b46 [2019-11-07 02:30:03,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 02:30:03,972 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 02:30:03,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 02:30:03,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 02:30:03,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 02:30:03,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:30:03" (1/1) ... [2019-11-07 02:30:03,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449d088e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:03, skipping insertion in model container [2019-11-07 02:30:03,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:30:03" (1/1) ... [2019-11-07 02:30:04,013 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 02:30:04,233 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 02:30:06,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:30:06,155 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 02:30:06,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:30:06,792 INFO L192 MainTranslator]: Completed translation [2019-11-07 02:30:06,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:06 WrapperNode [2019-11-07 02:30:06,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 02:30:06,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 02:30:06,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 02:30:06,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 02:30:06,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:06" (1/1) ... [2019-11-07 02:30:06,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:06" (1/1) ... [2019-11-07 02:30:06,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:06" (1/1) ... [2019-11-07 02:30:06,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:06" (1/1) ... [2019-11-07 02:30:07,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:06" (1/1) ... [2019-11-07 02:30:07,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:06" (1/1) ... [2019-11-07 02:30:07,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:06" (1/1) ... [2019-11-07 02:30:07,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 02:30:07,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 02:30:07,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 02:30:07,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 02:30:07,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:30:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 02:30:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 02:30:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 02:30:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-07 02:30:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-11-07 02:30:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-07 02:30:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 02:30:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-07 02:30:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2019-11-07 02:30:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-11-07 02:30:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-11-07 02:30:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-11-07 02:30:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-11-07 02:30:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-11-07 02:30:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-07 02:30:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 02:30:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 02:30:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 02:30:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 02:30:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 02:30:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 02:30:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 02:30:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 02:30:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 02:30:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 02:30:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 02:30:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-07 02:30:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-11-07 02:30:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-11-07 02:30:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-11-07 02:30:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-11-07 02:30:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-11-07 02:30:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-11-07 02:30:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-11-07 02:30:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure e2i_init [2019-11-07 02:30:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure e2i_read_data [2019-11-07 02:30:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_init [2019-11-07 02:30:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_read_data [2019-11-07 02:30:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_get_pkt_len [2019-11-07 02:30:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure etouch_read_data [2019-11-07 02:30:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure etouch_get_pkt_len [2019-11-07 02:30:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure panjit_read_data [2019-11-07 02:30:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mtouch_read_data [2019-11-07 02:30:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mtouch_init [2019-11-07 02:30:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure itm_read_data [2019-11-07 02:30:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure eturbo_read_data [2019-11-07 02:30:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure eturbo_get_pkt_len [2019-11-07 02:30:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure gunze_read_data [2019-11-07 02:30:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dmc_tsc10_init [2019-11-07 02:30:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dmc_tsc10_read_data [2019-11-07 02:30:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure irtouch_read_data [2019-11-07 02:30:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure tc45usb_read_data [2019-11-07 02:30:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure idealtek_get_pkt_len [2019-11-07 02:30:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure idealtek_read_data [2019-11-07 02:30:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure general_touch_read_data [2019-11-07 02:30:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gotop_read_data [2019-11-07 02:30:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure jastec_read_data [2019-11-07 02:30:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure zytronic_read_data [2019-11-07 02:30:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_ack_complete [2019-11-07 02:30:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_alloc [2019-11-07 02:30:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_init [2019-11-07 02:30:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_exit [2019-11-07 02:30:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_read_data [2019-11-07 02:30:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure elo_read_data [2019-11-07 02:30:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_pkt [2019-11-07 02:30:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_multi [2019-11-07 02:30:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_irq [2019-11-07 02:30:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_open [2019-11-07 02:30:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_close [2019-11-07 02:30:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_suspend [2019-11-07 02:30:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_resume [2019-11-07 02:30:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_reset_resume [2019-11-07 02:30:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_free_buffers [2019-11-07 02:30:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_get_input_endpoint [2019-11-07 02:30:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_probe [2019-11-07 02:30:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_disconnect [2019-11-07 02:30:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_driver_init [2019-11-07 02:30:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_driver_exit [2019-11-07 02:30:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-11-07 02:30:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 02:30:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-11-07 02:30:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_2 [2019-11-07 02:30:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2019-11-07 02:30:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2019-11-07 02:30:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2019-11-07 02:30:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-11-07 02:30:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_7 [2019-11-07 02:30:07,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2019-11-07 02:30:07,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_9 [2019-11-07 02:30:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_10 [2019-11-07 02:30:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_11 [2019-11-07 02:30:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_12 [2019-11-07 02:30:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2019-11-07 02:30:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_16 [2019-11-07 02:30:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_17 [2019-11-07 02:30:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_18 [2019-11-07 02:30:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_20 [2019-11-07 02:30:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_21 [2019-11-07 02:30:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2019-11-07 02:30:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_23 [2019-11-07 02:30:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_24 [2019-11-07 02:30:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_27 [2019-11-07 02:30:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_28 [2019-11-07 02:30:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_29 [2019-11-07 02:30:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-11-07 02:30:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-11-07 02:30:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-11-07 02:30:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-11-07 02:30:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-11-07 02:30:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-11-07 02:30:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-11-07 02:30:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-11-07 02:30:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-11-07 02:30:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-11-07 02:30:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-11-07 02:30:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-11-07 02:30:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-11-07 02:30:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-11-07 02:30:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-11-07 02:30:07,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-11-07 02:30:07,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 02:30:07,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-11-07 02:30:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-07 02:30:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 02:30:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-07 02:30:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-11-07 02:30:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-11-07 02:30:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-11-07 02:30:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-11-07 02:30:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-11-07 02:30:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-11-07 02:30:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2019-11-07 02:30:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 02:30:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-11-07 02:30:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-07 02:30:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 02:30:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 02:30:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-11-07 02:30:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-11-07 02:30:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-11-07 02:30:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-11-07 02:30:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-11-07 02:30:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-11-07 02:30:07,331 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-11-07 02:30:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-11-07 02:30:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-11-07 02:30:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 02:30:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 02:30:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 02:30:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 02:30:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 02:30:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 02:30:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 02:30:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 02:30:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 02:30:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-11-07 02:30:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-11-07 02:30:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-11-07 02:30:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2019-11-07 02:30:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-11-07 02:30:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-07 02:30:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2019-11-07 02:30:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 02:30:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-11-07 02:30:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-11-07 02:30:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 02:30:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-11-07 02:30:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-07 02:30:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-11-07 02:30:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-07 02:30:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 02:30:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 02:30:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-07 02:30:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-07 02:30:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-11-07 02:30:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 02:30:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_12 [2019-11-07 02:30:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_20 [2019-11-07 02:30:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-11-07 02:30:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_7 [2019-11-07 02:30:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_10 [2019-11-07 02:30:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_21 [2019-11-07 02:30:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_9 [2019-11-07 02:30:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_11 [2019-11-07 02:30:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_23 [2019-11-07 02:30:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-11-07 02:30:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-11-07 02:30:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 02:30:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 02:30:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-11-07 02:30:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_28 [2019-11-07 02:30:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-11-07 02:30:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_29 [2019-11-07 02:30:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2019-11-07 02:30:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_18 [2019-11-07 02:30:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_2 [2019-11-07 02:30:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_17 [2019-11-07 02:30:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2019-11-07 02:30:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_24 [2019-11-07 02:30:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_27 [2019-11-07 02:30:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2019-11-07 02:30:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-11-07 02:30:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2019-11-07 02:30:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2019-11-07 02:30:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_16 [2019-11-07 02:30:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2019-11-07 02:30:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-11-07 02:30:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-11-07 02:30:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-11-07 02:30:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-11-07 02:30:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-11-07 02:30:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-07 02:30:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-11-07 02:30:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-11-07 02:30:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-11-07 02:30:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-11-07 02:30:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-11-07 02:30:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-11-07 02:30:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-11-07 02:30:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-11-07 02:30:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-11-07 02:30:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-11-07 02:30:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 02:30:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 02:30:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 02:30:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 02:30:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 02:30:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 02:30:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 02:30:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 02:30:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 02:30:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 02:30:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 02:30:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 02:30:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 02:30:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 02:30:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 02:30:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 02:30:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 02:30:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 02:30:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 02:30:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-07 02:30:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-11-07 02:30:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-11-07 02:30:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-11-07 02:30:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-11-07 02:30:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-11-07 02:30:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-11-07 02:30:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-11-07 02:30:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-11-07 02:30:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-11-07 02:30:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-11-07 02:30:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-11-07 02:30:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-11-07 02:30:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-11-07 02:30:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure e2i_init [2019-11-07 02:30:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 02:30:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 02:30:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure e2i_read_data [2019-11-07 02:30:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_init [2019-11-07 02:30:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_read_data [2019-11-07 02:30:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_get_pkt_len [2019-11-07 02:30:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure etouch_read_data [2019-11-07 02:30:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure etouch_get_pkt_len [2019-11-07 02:30:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure panjit_read_data [2019-11-07 02:30:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure mtouch_read_data [2019-11-07 02:30:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure mtouch_init [2019-11-07 02:30:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure itm_read_data [2019-11-07 02:30:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure eturbo_read_data [2019-11-07 02:30:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure eturbo_get_pkt_len [2019-11-07 02:30:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure gunze_read_data [2019-11-07 02:30:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure dmc_tsc10_init [2019-11-07 02:30:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure dmc_tsc10_read_data [2019-11-07 02:30:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure irtouch_read_data [2019-11-07 02:30:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure tc45usb_read_data [2019-11-07 02:30:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure idealtek_get_pkt_len [2019-11-07 02:30:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure idealtek_read_data [2019-11-07 02:30:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure general_touch_read_data [2019-11-07 02:30:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure gotop_read_data [2019-11-07 02:30:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure jastec_read_data [2019-11-07 02:30:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure zytronic_read_data [2019-11-07 02:30:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_ack_complete [2019-11-07 02:30:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_alloc [2019-11-07 02:30:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_init [2019-11-07 02:30:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 02:30:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 02:30:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_exit [2019-11-07 02:30:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_read_data [2019-11-07 02:30:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure elo_read_data [2019-11-07 02:30:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_multi [2019-11-07 02:30:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_pkt [2019-11-07 02:30:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 02:30:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-07 02:30:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_irq [2019-11-07 02:30:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-11-07 02:30:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_open [2019-11-07 02:30:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_close [2019-11-07 02:30:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_suspend [2019-11-07 02:30:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_resume [2019-11-07 02:30:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_reset_resume [2019-11-07 02:30:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-07 02:30:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_free_buffers [2019-11-07 02:30:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_get_input_endpoint [2019-11-07 02:30:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_probe [2019-11-07 02:30:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 02:30:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_disconnect [2019-11-07 02:30:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_driver_init [2019-11-07 02:30:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_driver_exit [2019-11-07 02:30:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 02:30:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 02:30:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 02:30:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-11-07 02:30:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-11-07 02:30:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-11-07 02:30:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-11-07 02:30:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-11-07 02:30:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-11-07 02:30:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 02:30:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 02:30:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 02:30:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 02:30:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 02:30:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 02:30:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 02:30:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 02:30:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 02:30:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 02:30:08,724 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 02:30:14,606 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-11-07 02:30:23,450 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 02:30:23,451 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 02:30:23,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:30:23 BoogieIcfgContainer [2019-11-07 02:30:23,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 02:30:23,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 02:30:23,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 02:30:23,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 02:30:23,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:30:03" (1/3) ... [2019-11-07 02:30:23,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c85a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:30:23, skipping insertion in model container [2019-11-07 02:30:23,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:06" (2/3) ... [2019-11-07 02:30:23,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c85a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:30:23, skipping insertion in model container [2019-11-07 02:30:23,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:30:23" (3/3) ... [2019-11-07 02:30:23,461 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2019-11-07 02:30:23,471 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 02:30:23,481 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 02:30:23,490 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 02:30:23,522 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 02:30:23,522 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 02:30:23,522 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 02:30:23,522 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 02:30:23,523 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 02:30:23,523 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 02:30:23,523 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 02:30:23,523 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 02:30:23,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states. [2019-11-07 02:30:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-07 02:30:23,574 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:30:23,575 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:30:23,577 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:30:23,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:30:23,584 INFO L82 PathProgramCache]: Analyzing trace with hash 939386522, now seen corresponding path program 1 times [2019-11-07 02:30:23,594 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:30:23,594 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332236564] [2019-11-07 02:30:23,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:30:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:30:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:30:24,446 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332236564] [2019-11-07 02:30:24,448 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:30:24,448 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:30:24,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160578744] [2019-11-07 02:30:24,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:30:24,456 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:30:24,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:30:24,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:30:24,475 INFO L87 Difference]: Start difference. First operand 1059 states. Second operand 3 states. [2019-11-07 02:30:27,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:30:27,095 INFO L93 Difference]: Finished difference Result 3068 states and 4071 transitions. [2019-11-07 02:30:27,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:30:27,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-11-07 02:30:27,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:30:27,144 INFO L225 Difference]: With dead ends: 3068 [2019-11-07 02:30:27,144 INFO L226 Difference]: Without dead ends: 2011 [2019-11-07 02:30:27,159 INFO L630 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 [2019-11-07 02:30:27,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2019-11-07 02:30:27,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 2008. [2019-11-07 02:30:27,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2008 states. [2019-11-07 02:30:27,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 2008 states and 2590 transitions. [2019-11-07 02:30:27,446 INFO L78 Accepts]: Start accepts. Automaton has 2008 states and 2590 transitions. Word has length 40 [2019-11-07 02:30:27,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:30:27,447 INFO L462 AbstractCegarLoop]: Abstraction has 2008 states and 2590 transitions. [2019-11-07 02:30:27,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:30:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2590 transitions. [2019-11-07 02:30:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 02:30:27,453 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:30:27,454 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:30:27,454 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:30:27,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:30:27,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1395553895, now seen corresponding path program 1 times [2019-11-07 02:30:27,455 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:30:27,455 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108633471] [2019-11-07 02:30:27,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:30:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:30:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-07 02:30:27,898 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108633471] [2019-11-07 02:30:27,898 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:30:27,899 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:30:27,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934926482] [2019-11-07 02:30:27,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:30:27,901 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:30:27,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:30:27,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:30:27,902 INFO L87 Difference]: Start difference. First operand 2008 states and 2590 transitions. Second operand 3 states. [2019-11-07 02:30:28,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:30:28,090 INFO L93 Difference]: Finished difference Result 3732 states and 4889 transitions. [2019-11-07 02:30:28,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:30:28,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 02:30:28,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:30:28,122 INFO L225 Difference]: With dead ends: 3732 [2019-11-07 02:30:28,122 INFO L226 Difference]: Without dead ends: 3729 [2019-11-07 02:30:28,127 INFO L630 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 [2019-11-07 02:30:28,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3729 states. [2019-11-07 02:30:28,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3729 to 3716. [2019-11-07 02:30:28,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3716 states. [2019-11-07 02:30:28,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3716 states and 4871 transitions. [2019-11-07 02:30:28,425 INFO L78 Accepts]: Start accepts. Automaton has 3716 states and 4871 transitions. Word has length 53 [2019-11-07 02:30:28,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:30:28,426 INFO L462 AbstractCegarLoop]: Abstraction has 3716 states and 4871 transitions. [2019-11-07 02:30:28,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:30:28,426 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 4871 transitions. [2019-11-07 02:30:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-07 02:30:28,432 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:30:28,433 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:30:28,433 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:30:28,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:30:28,434 INFO L82 PathProgramCache]: Analyzing trace with hash 311850061, now seen corresponding path program 1 times [2019-11-07 02:30:28,434 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:30:28,434 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483623279] [2019-11-07 02:30:28,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:30:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:30:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-07 02:30:28,795 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483623279] [2019-11-07 02:30:28,795 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:30:28,795 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 02:30:28,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771750994] [2019-11-07 02:30:28,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 02:30:28,796 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:30:28,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 02:30:28,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 02:30:28,797 INFO L87 Difference]: Start difference. First operand 3716 states and 4871 transitions. Second operand 4 states. [2019-11-07 02:30:29,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:30:29,011 INFO L93 Difference]: Finished difference Result 7425 states and 9739 transitions. [2019-11-07 02:30:29,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 02:30:29,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-11-07 02:30:29,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:30:29,041 INFO L225 Difference]: With dead ends: 7425 [2019-11-07 02:30:29,041 INFO L226 Difference]: Without dead ends: 3728 [2019-11-07 02:30:29,060 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-07 02:30:29,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2019-11-07 02:30:29,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3720. [2019-11-07 02:30:29,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3720 states. [2019-11-07 02:30:29,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 3720 states and 4876 transitions. [2019-11-07 02:30:29,328 INFO L78 Accepts]: Start accepts. Automaton has 3720 states and 4876 transitions. Word has length 54 [2019-11-07 02:30:29,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:30:29,328 INFO L462 AbstractCegarLoop]: Abstraction has 3720 states and 4876 transitions. [2019-11-07 02:30:29,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 02:30:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3720 states and 4876 transitions. [2019-11-07 02:30:29,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-07 02:30:29,332 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:30:29,332 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:30:29,332 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:30:29,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:30:29,332 INFO L82 PathProgramCache]: Analyzing trace with hash -649725599, now seen corresponding path program 1 times [2019-11-07 02:30:29,333 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:30:29,333 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169804557] [2019-11-07 02:30:29,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:30:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:30:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 02:30:29,775 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169804557] [2019-11-07 02:30:29,775 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:30:29,775 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:30:29,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021221337] [2019-11-07 02:30:29,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:30:29,776 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:30:29,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:30:29,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:30:29,777 INFO L87 Difference]: Start difference. First operand 3720 states and 4876 transitions. Second operand 3 states. [2019-11-07 02:30:29,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:30:29,911 INFO L93 Difference]: Finished difference Result 3722 states and 4877 transitions. [2019-11-07 02:30:29,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:30:29,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-11-07 02:30:29,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:30:29,946 INFO L225 Difference]: With dead ends: 3722 [2019-11-07 02:30:29,946 INFO L226 Difference]: Without dead ends: 3719 [2019-11-07 02:30:29,949 INFO L630 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 [2019-11-07 02:30:29,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3719 states. [2019-11-07 02:30:30,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3719 to 3719. [2019-11-07 02:30:30,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3719 states. [2019-11-07 02:30:30,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3719 states and 4874 transitions. [2019-11-07 02:30:30,159 INFO L78 Accepts]: Start accepts. Automaton has 3719 states and 4874 transitions. Word has length 55 [2019-11-07 02:30:30,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:30:30,160 INFO L462 AbstractCegarLoop]: Abstraction has 3719 states and 4874 transitions. [2019-11-07 02:30:30,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:30:30,161 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 4874 transitions. [2019-11-07 02:30:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 02:30:30,165 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:30:30,165 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:30:30,165 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:30:30,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:30:30,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1332700054, now seen corresponding path program 1 times [2019-11-07 02:30:30,166 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:30:30,166 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446891909] [2019-11-07 02:30:30,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:30:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:30:30,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 02:30:30,627 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446891909] [2019-11-07 02:30:30,628 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:30:30,628 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:30:30,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257759030] [2019-11-07 02:30:30,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:30:30,629 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:30:30,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:30:30,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:30:30,631 INFO L87 Difference]: Start difference. First operand 3719 states and 4874 transitions. Second operand 3 states. [2019-11-07 02:30:30,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:30:30,768 INFO L93 Difference]: Finished difference Result 3721 states and 4875 transitions. [2019-11-07 02:30:30,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:30:30,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-11-07 02:30:30,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:30:30,795 INFO L225 Difference]: With dead ends: 3721 [2019-11-07 02:30:30,796 INFO L226 Difference]: Without dead ends: 3718 [2019-11-07 02:30:30,799 INFO L630 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 [2019-11-07 02:30:30,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3718 states. [2019-11-07 02:30:30,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3718 to 3718. [2019-11-07 02:30:30,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3718 states. [2019-11-07 02:30:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 4872 transitions. [2019-11-07 02:30:31,008 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 4872 transitions. Word has length 56 [2019-11-07 02:30:31,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:30:31,009 INFO L462 AbstractCegarLoop]: Abstraction has 3718 states and 4872 transitions. [2019-11-07 02:30:31,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:30:31,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 4872 transitions. [2019-11-07 02:30:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 02:30:31,011 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:30:31,011 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:30:31,011 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:30:31,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:30:31,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1636609276, now seen corresponding path program 1 times [2019-11-07 02:30:31,012 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:30:31,012 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859385302] [2019-11-07 02:30:31,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:30:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:30:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 02:30:31,288 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859385302] [2019-11-07 02:30:31,289 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:30:31,289 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:30:31,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129790994] [2019-11-07 02:30:31,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:30:31,290 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:30:31,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:30:31,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:30:31,290 INFO L87 Difference]: Start difference. First operand 3718 states and 4872 transitions. Second operand 3 states. [2019-11-07 02:30:31,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:30:31,550 INFO L93 Difference]: Finished difference Result 7219 states and 9681 transitions. [2019-11-07 02:30:31,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:30:31,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-11-07 02:30:31,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:30:31,600 INFO L225 Difference]: With dead ends: 7219 [2019-11-07 02:30:31,600 INFO L226 Difference]: Without dead ends: 7216 [2019-11-07 02:30:31,608 INFO L630 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 [2019-11-07 02:30:31,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7216 states. [2019-11-07 02:30:32,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7216 to 7201. [2019-11-07 02:30:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7201 states. [2019-11-07 02:30:32,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7201 states to 7201 states and 9664 transitions. [2019-11-07 02:30:32,674 INFO L78 Accepts]: Start accepts. Automaton has 7201 states and 9664 transitions. Word has length 57 [2019-11-07 02:30:32,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:30:32,674 INFO L462 AbstractCegarLoop]: Abstraction has 7201 states and 9664 transitions. [2019-11-07 02:30:32,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:30:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand 7201 states and 9664 transitions. [2019-11-07 02:30:32,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-07 02:30:32,677 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:30:32,677 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:30:32,677 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:30:32,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:30:32,677 INFO L82 PathProgramCache]: Analyzing trace with hash 804086873, now seen corresponding path program 1 times [2019-11-07 02:30:32,678 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:30:32,678 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940971568] [2019-11-07 02:30:32,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:30:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:30:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 02:30:32,923 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940971568] [2019-11-07 02:30:32,923 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:30:32,923 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:30:32,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704247274] [2019-11-07 02:30:32,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:30:32,924 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:30:32,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:30:32,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:30:32,925 INFO L87 Difference]: Start difference. First operand 7201 states and 9664 transitions. Second operand 3 states. [2019-11-07 02:30:33,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:30:33,135 INFO L93 Difference]: Finished difference Result 7203 states and 9665 transitions. [2019-11-07 02:30:33,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:30:33,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-07 02:30:33,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:30:33,184 INFO L225 Difference]: With dead ends: 7203 [2019-11-07 02:30:33,184 INFO L226 Difference]: Without dead ends: 7183 [2019-11-07 02:30:33,190 INFO L630 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 [2019-11-07 02:30:33,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7183 states. [2019-11-07 02:30:33,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7183 to 7183. [2019-11-07 02:30:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7183 states. [2019-11-07 02:30:33,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7183 states to 7183 states and 9642 transitions. [2019-11-07 02:30:33,652 INFO L78 Accepts]: Start accepts. Automaton has 7183 states and 9642 transitions. Word has length 58 [2019-11-07 02:30:33,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:30:33,653 INFO L462 AbstractCegarLoop]: Abstraction has 7183 states and 9642 transitions. [2019-11-07 02:30:33,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:30:33,653 INFO L276 IsEmpty]: Start isEmpty. Operand 7183 states and 9642 transitions. [2019-11-07 02:30:33,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-07 02:30:33,659 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:30:33,659 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:30:33,659 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:30:33,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:30:33,660 INFO L82 PathProgramCache]: Analyzing trace with hash 926661269, now seen corresponding path program 1 times [2019-11-07 02:30:33,660 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:30:33,660 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605045244] [2019-11-07 02:30:33,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:30:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:30:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 02:30:33,909 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605045244] [2019-11-07 02:30:33,909 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:30:33,910 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:30:33,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416513365] [2019-11-07 02:30:33,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:30:33,911 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:30:33,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:30:33,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:30:33,911 INFO L87 Difference]: Start difference. First operand 7183 states and 9642 transitions. Second operand 3 states. [2019-11-07 02:30:34,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:30:34,539 INFO L93 Difference]: Finished difference Result 10972 states and 14717 transitions. [2019-11-07 02:30:34,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:30:34,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-11-07 02:30:34,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:30:34,563 INFO L225 Difference]: With dead ends: 10972 [2019-11-07 02:30:34,563 INFO L226 Difference]: Without dead ends: 3812 [2019-11-07 02:30:34,594 INFO L630 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 [2019-11-07 02:30:34,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2019-11-07 02:30:34,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3746. [2019-11-07 02:30:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3746 states. [2019-11-07 02:30:34,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3746 states to 3746 states and 5016 transitions. [2019-11-07 02:30:34,776 INFO L78 Accepts]: Start accepts. Automaton has 3746 states and 5016 transitions. Word has length 94 [2019-11-07 02:30:34,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:30:34,777 INFO L462 AbstractCegarLoop]: Abstraction has 3746 states and 5016 transitions. [2019-11-07 02:30:34,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:30:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3746 states and 5016 transitions. [2019-11-07 02:30:34,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-07 02:30:34,781 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:30:34,782 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 02:30:34,782 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:30:34,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:30:34,782 INFO L82 PathProgramCache]: Analyzing trace with hash 79931893, now seen corresponding path program 1 times [2019-11-07 02:30:34,783 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:30:34,783 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730589250] [2019-11-07 02:30:34,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:30:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:30:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 02:30:35,089 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730589250] [2019-11-07 02:30:35,090 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:30:35,090 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:30:35,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739346326] [2019-11-07 02:30:35,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:30:35,092 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:30:35,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:30:35,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:30:35,093 INFO L87 Difference]: Start difference. First operand 3746 states and 5016 transitions. Second operand 3 states.