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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:01:38,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:01:38,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:01:38,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:01:38,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:01:38,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:01:38,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:01:38,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:01:38,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:01:38,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:01:38,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:01:38,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:01:38,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:01:38,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:01:38,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:01:38,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:01:38,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:01:38,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:01:38,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:01:38,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:01:38,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:01:38,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:01:38,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:01:38,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:01:38,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:01:38,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:01:38,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:01:38,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:01:38,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:01:38,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:01:38,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:01:38,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:01:38,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:01:38,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:01:38,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:01:38,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:01:38,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:01:38,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:01:38,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:01:38,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:01:38,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:01:38,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:01:38,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:01:38,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:01:38,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:01:38,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:01:38,207 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:01:38,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:01:38,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:01:38,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:01:38,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:01:38,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:01:38,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:01:38,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:01:38,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:01:38,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:01:38,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:01:38,210 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:01:38,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:01:38,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:01:38,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:01:38,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:01:38,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:01:38,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:01:38,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:01:38,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:01:38,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:01:38,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:01:38,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:01:38,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:01:38,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:01:38,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:01:38,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:01:38,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:01:38,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:01:38,527 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:01:38,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-10-13 21:01:38,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9dbf746/d07d23d7ae7c44ce8595b21afc0b7e80/FLAG4a86aaa65 [2019-10-13 21:01:39,540 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:01:39,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-10-13 21:01:39,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9dbf746/d07d23d7ae7c44ce8595b21afc0b7e80/FLAG4a86aaa65 [2019-10-13 21:01:39,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9dbf746/d07d23d7ae7c44ce8595b21afc0b7e80 [2019-10-13 21:01:39,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:01:39,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:01:39,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:01:39,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:01:39,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:01:39,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:01:39" (1/1) ... [2019-10-13 21:01:39,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f8855d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:39, skipping insertion in model container [2019-10-13 21:01:39,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:01:39" (1/1) ... [2019-10-13 21:01:39,978 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:01:40,110 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:01:42,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:01:42,518 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:01:43,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:01:43,399 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:01:43,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:43 WrapperNode [2019-10-13 21:01:43,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:01:43,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:01:43,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:01:43,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:01:43,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:43" (1/1) ... [2019-10-13 21:01:43,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:43" (1/1) ... [2019-10-13 21:01:43,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:43" (1/1) ... [2019-10-13 21:01:43,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:43" (1/1) ... [2019-10-13 21:01:43,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:43" (1/1) ... [2019-10-13 21:01:43,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:43" (1/1) ... [2019-10-13 21:01:43,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:43" (1/1) ... [2019-10-13 21:01:43,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:01:43,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:01:43,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:01:43,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:01:43,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:01:43,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:01:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:01:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 21:01:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 21:01:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 21:01:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 21:01:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 21:01:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 21:01:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 21:01:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 21:01:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 21:01:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 21:01:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 21:01:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 21:01:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 21:01:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 21:01:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-13 21:01:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 21:01:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 21:01:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-13 21:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-13 21:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 21:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 21:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-13 21:01:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 21:01:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 21:01:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 21:01:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-13 21:01:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-13 21:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_control [2019-10-13 21:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-13 21:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2019-10-13 21:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-13 21:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2019-10-13 21:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-10-13 21:01:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-10-13 21:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0state_string [2019-10-13 21:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_request [2019-10-13 21:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_devreq [2019-10-13 21:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_seq_ep_show [2019-10-13 21:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_seq_show [2019-10-13 21:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_open [2019-10-13 21:01:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_create [2019-10-13 21:01:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_delete [2019-10-13 21:01:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_dma_desc [2019-10-13 21:01:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc [2019-10-13 21:01:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc_chain [2019-10-13 21:01:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_finish_request [2019-10-13 21:01:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_request [2019-10-13 21:01:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_start_dma [2019-10-13 21:01:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dma_advance [2019-10-13 21:01:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_abort_dma [2019-10-13 21:01:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_add_dma_desc [2019-10-13 21:01:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_setup_out_desc_list [2019-10-13 21:01:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_setup_in_desc_list [2019-10-13 21:01:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue [2019-10-13 21:01:43,929 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_int [2019-10-13 21:01:43,929 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_nuke [2019-10-13 21:01:43,929 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_reset [2019-10-13 21:01:43,929 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_control_stall [2019-10-13 21:01:43,930 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_halt_wedge [2019-10-13 21:01:43,930 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_ep0state [2019-10-13 21:01:43,930 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_disable_interrupts_and_pullup [2019-10-13 21:01:43,930 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_stop_activity [2019-10-13 21:01:43,931 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_testmode_complete [2019-10-13 21:01:43,931 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_dummy_complete [2019-10-13 21:01:43,931 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond [2019-10-13 21:01:43,931 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_u16 [2019-10-13 21:01:43,931 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_empty [2019-10-13 21:01:43,931 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_address [2019-10-13 21:01:43,932 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_device_request [2019-10-13 21:01:43,932 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_interface_request [2019-10-13 21:01:43,932 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_endpoint_request [2019-10-13 21:01:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0out_requeue [2019-10-13 21:01:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_setup [2019-10-13 21:01:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_connected [2019-10-13 21:01:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_enable_vbus_detect [2019-10-13 21:01:43,934 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_disconnected [2019-10-13 21:01:43,934 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_usbreset [2019-10-13 21:01:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_in_ep [2019-10-13 21:01:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_out_ep [2019-10-13 21:01:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_state_changes [2019-10-13 21:01:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq_handler [2019-10-13 21:01:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq [2019-10-13 21:01:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_enable [2019-10-13 21:01:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_disable [2019-10-13 21:01:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_request [2019-10-13 21:01:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_ext [2019-10-13 21:01:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dequeue [2019-10-13 21:01:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt_wedge [2019-10-13 21:01:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt [2019-10-13 21:01:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_wedge [2019-10-13 21:01:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_status [2019-10-13 21:01:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_flush [2019-10-13 21:01:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_get_frame [2019-10-13 21:01:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_wakeup [2019-10-13 21:01:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_pullup [2019-10-13 21:01:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_start [2019-10-13 21:01:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_stop [2019-10-13 21:01:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_init [2019-10-13 21:01:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_init [2019-10-13 21:01:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_remove [2019-10-13 21:01:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_remove [2019-10-13 21:01:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_request_irq [2019-10-13 21:01:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_probe [2019-10-13 21:01:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_driver_init [2019-10-13 21:01:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_driver_exit [2019-10-13 21:01:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_probe_3 [2019-10-13 21:01:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-10-13 21:01:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-10-13 21:01:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2019-10-13 21:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-10-13 21:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 21:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_3 [2019-10-13 21:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 21:01:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-10-13 21:01:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 21:01:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 21:01:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 21:01:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_ep_ops_5 [2019-10-13 21:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_ops_4 [2019-10-13 21:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-10-13 21:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:01:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 21:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 21:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 21:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 21:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 21:01:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-13 21:01:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 21:01:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_23 [2019-10-13 21:01:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_25 [2019-10-13 21:01:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_26 [2019-10-13 21:01:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_27 [2019-10-13 21:01:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_28 [2019-10-13 21:01:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 21:01:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 21:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 21:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 21:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 21:01:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 21:01:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 21:01:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 21:01:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 21:01:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 21:01:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 21:01:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 21:01:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 21:01:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 21:01:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2019-10-13 21:01:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 21:01:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 21:01:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 21:01:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 21:01:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 21:01:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2019-10-13 21:01:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2019-10-13 21:01:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2019-10-13 21:01:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 21:01:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2019-10-13 21:01:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-10-13 21:01:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-10-13 21:01:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 21:01:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 21:01:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2019-10-13 21:01:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2019-10-13 21:01:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2019-10-13 21:01:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32be [2019-10-13 21:01:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32be [2019-10-13 21:01:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 21:01:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 21:01:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 21:01:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2019-10-13 21:01:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-10-13 21:01:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-10-13 21:01:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-10-13 21:01:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2019-10-13 21:01:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2019-10-13 21:01:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2019-10-13 21:01:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2019-10-13 21:01:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2019-10-13 21:01:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2019-10-13 21:01:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_gadget_udc [2019-10-13 21:01:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_del_gadget_udc [2019-10-13 21:01:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_giveback_request [2019-10-13 21:01:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_map_request [2019-10-13 21:01:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2019-10-13 21:01:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unmap_request [2019-10-13 21:01:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2019-10-13 21:01:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_state_string [2019-10-13 21:01:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-13 21:01:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 21:01:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 21:01:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 21:01:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 21:01:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 21:01:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:01:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:01:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 21:01:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 21:01:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 21:01:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 21:01:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 21:01:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 21:01:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:01:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 21:01:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 21:01:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:01:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 21:01:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 21:01:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 21:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 21:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 21:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 21:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 21:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 21:01:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 21:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 21:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 21:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 21:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 21:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 21:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:01:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 21:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 21:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 21:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-13 21:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 21:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-13 21:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 21:01:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 21:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 21:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 21:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 21:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 21:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 21:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 21:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-13 21:01:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 21:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-13 21:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 21:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 21:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 21:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32be [2019-10-13 21:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32be [2019-10-13 21:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 21:01:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 21:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-13 21:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 21:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 21:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_probe_3 [2019-10-13 21:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-10-13 21:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-10-13 21:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2019-10-13 21:01:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-10-13 21:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 21:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_3 [2019-10-13 21:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 21:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-10-13 21:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 21:01:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 21:01:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 21:01:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_ep_ops_5 [2019-10-13 21:01:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_ops_4 [2019-10-13 21:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-10-13 21:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-10-13 21:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_23 [2019-10-13 21:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_26 [2019-10-13 21:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2019-10-13 21:01:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2019-10-13 21:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2019-10-13 21:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2019-10-13 21:01:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2019-10-13 21:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2019-10-13 21:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-10-13 21:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-13 21:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2019-10-13 21:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 21:01:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 21:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 21:01:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 21:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 21:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-13 21:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-13 21:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_control [2019-10-13 21:01:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-13 21:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2019-10-13 21:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-13 21:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2019-10-13 21:01:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure usb_state_string [2019-10-13 21:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2019-10-13 21:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_gadget_udc [2019-10-13 21:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_del_gadget_udc [2019-10-13 21:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_map_request [2019-10-13 21:01:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unmap_request [2019-10-13 21:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2019-10-13 21:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_giveback_request [2019-10-13 21:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 21:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 21:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2019-10-13 21:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2019-10-13 21:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_25 [2019-10-13 21:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2019-10-13 21:01:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2019-10-13 21:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2019-10-13 21:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2019-10-13 21:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-10-13 21:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-10-13 21:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2019-10-13 21:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_27 [2019-10-13 21:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-10-13 21:01:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_28 [2019-10-13 21:01:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-10-13 21:01:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-10-13 21:01:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2019-10-13 21:01:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0state_string [2019-10-13 21:01:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:01:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_request [2019-10-13 21:01:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_devreq [2019-10-13 21:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure gr_seq_ep_show [2019-10-13 21:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure gr_seq_show [2019-10-13 21:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_open [2019-10-13 21:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_create [2019-10-13 21:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_delete [2019-10-13 21:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_dma_desc [2019-10-13 21:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc [2019-10-13 21:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc_chain [2019-10-13 21:01:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_setup [2019-10-13 21:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure gr_finish_request [2019-10-13 21:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 21:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_request [2019-10-13 21:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure gr_start_dma [2019-10-13 21:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dma_advance [2019-10-13 21:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure gr_abort_dma [2019-10-13 21:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure gr_add_dma_desc [2019-10-13 21:01:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure gr_setup_out_desc_list [2019-10-13 21:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure gr_setup_in_desc_list [2019-10-13 21:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue [2019-10-13 21:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_int [2019-10-13 21:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_nuke [2019-10-13 21:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_reset [2019-10-13 21:01:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure gr_control_stall [2019-10-13 21:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_halt_wedge [2019-10-13 21:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_ep0state [2019-10-13 21:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure gr_disable_interrupts_and_pullup [2019-10-13 21:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure gr_stop_activity [2019-10-13 21:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_testmode_complete [2019-10-13 21:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_dummy_complete [2019-10-13 21:01:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond [2019-10-13 21:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_u16 [2019-10-13 21:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_empty [2019-10-13 21:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_address [2019-10-13 21:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure gr_device_request [2019-10-13 21:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure gr_interface_request [2019-10-13 21:01:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure gr_endpoint_request [2019-10-13 21:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0out_requeue [2019-10-13 21:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 21:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_connected [2019-10-13 21:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure gr_enable_vbus_detect [2019-10-13 21:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_disconnected [2019-10-13 21:01:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 21:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_usbreset [2019-10-13 21:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_in_ep [2019-10-13 21:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_out_ep [2019-10-13 21:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_state_changes [2019-10-13 21:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq_handler [2019-10-13 21:01:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq [2019-10-13 21:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_enable [2019-10-13 21:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_disable [2019-10-13 21:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_request [2019-10-13 21:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_ext [2019-10-13 21:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dequeue [2019-10-13 21:01:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt_wedge [2019-10-13 21:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt [2019-10-13 21:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_wedge [2019-10-13 21:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_status [2019-10-13 21:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_flush [2019-10-13 21:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure gr_get_frame [2019-10-13 21:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure gr_wakeup [2019-10-13 21:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure gr_pullup [2019-10-13 21:01:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_start [2019-10-13 21:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_stop [2019-10-13 21:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_init [2019-10-13 21:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_init [2019-10-13 21:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_remove [2019-10-13 21:01:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure gr_remove [2019-10-13 21:01:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure gr_request_irq [2019-10-13 21:01:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure gr_probe [2019-10-13 21:01:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure gr_driver_init [2019-10-13 21:01:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure gr_driver_exit [2019-10-13 21:01:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 21:01:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 21:01:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 21:01:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:01:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 21:01:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 21:01:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 21:01:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 21:01:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 21:01:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 21:01:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 21:01:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 21:01:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 21:01:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 21:01:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:01:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:01:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:01:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 21:01:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:01:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 21:01:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 21:01:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 21:01:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 21:01:45,370 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 21:02:00,059 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:02:00,059 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 21:02:00,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:02:00 BoogieIcfgContainer [2019-10-13 21:02:00,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:02:00,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:02:00,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:02:00,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:02:00,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:01:39" (1/3) ... [2019-10-13 21:02:00,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651a5023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:02:00, skipping insertion in model container [2019-10-13 21:02:00,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:43" (2/3) ... [2019-10-13 21:02:00,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651a5023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:02:00, skipping insertion in model container [2019-10-13 21:02:00,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:02:00" (3/3) ... [2019-10-13 21:02:00,076 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-10-13 21:02:00,085 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:02:00,099 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:02:00,113 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:02:00,157 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:02:00,157 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:02:00,157 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:02:00,157 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:02:00,158 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:02:00,158 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:02:00,158 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:02:00,158 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:02:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states. [2019-10-13 21:02:00,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-13 21:02:00,250 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:02:00,252 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:02:00,255 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:02:00,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:02:00,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1124735910, now seen corresponding path program 1 times [2019-10-13 21:02:00,272 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:02:00,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281791074] [2019-10-13 21:02:00,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:00,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:00,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:02:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-10-13 21:02:01,708 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281791074] [2019-10-13 21:02:01,709 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:02:01,709 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:02:01,709 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363439290] [2019-10-13 21:02:01,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:02:01,716 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:02:01,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:02:01,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:02:01,735 INFO L87 Difference]: Start difference. First operand 1831 states. Second operand 3 states. [2019-10-13 21:02:02,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:02:02,830 INFO L93 Difference]: Finished difference Result 5123 states and 7099 transitions. [2019-10-13 21:02:02,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:02:02,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-10-13 21:02:02,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:02:02,892 INFO L225 Difference]: With dead ends: 5123 [2019-10-13 21:02:02,892 INFO L226 Difference]: Without dead ends: 3316 [2019-10-13 21:02:02,911 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:02:02,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2019-10-13 21:02:03,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3313. [2019-10-13 21:02:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2019-10-13 21:02:03,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 4492 transitions. [2019-10-13 21:02:03,227 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 4492 transitions. Word has length 148 [2019-10-13 21:02:03,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:02:03,228 INFO L462 AbstractCegarLoop]: Abstraction has 3313 states and 4492 transitions. [2019-10-13 21:02:03,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:02:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 4492 transitions. [2019-10-13 21:02:03,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-10-13 21:02:03,237 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:02:03,238 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:02:03,238 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:02:03,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:02:03,239 INFO L82 PathProgramCache]: Analyzing trace with hash 596158502, now seen corresponding path program 1 times [2019-10-13 21:02:03,239 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:02:03,239 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562670252] [2019-10-13 21:02:03,239 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:03,239 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:03,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:02:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:03,963 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-13 21:02:03,964 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562670252] [2019-10-13 21:02:03,964 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:02:03,964 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:02:03,965 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569192267] [2019-10-13 21:02:03,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:02:03,967 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:02:03,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:02:03,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:02:03,968 INFO L87 Difference]: Start difference. First operand 3313 states and 4492 transitions. Second operand 5 states. [2019-10-13 21:02:04,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:02:04,354 INFO L93 Difference]: Finished difference Result 9889 states and 13420 transitions. [2019-10-13 21:02:04,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:02:04,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 229 [2019-10-13 21:02:04,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:02:04,409 INFO L225 Difference]: With dead ends: 9889 [2019-10-13 21:02:04,409 INFO L226 Difference]: Without dead ends: 6612 [2019-10-13 21:02:04,427 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:02:04,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6612 states. [2019-10-13 21:02:04,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6612 to 6589. [2019-10-13 21:02:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6589 states. [2019-10-13 21:02:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6589 states to 6589 states and 8937 transitions. [2019-10-13 21:02:04,768 INFO L78 Accepts]: Start accepts. Automaton has 6589 states and 8937 transitions. Word has length 229 [2019-10-13 21:02:04,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:02:04,771 INFO L462 AbstractCegarLoop]: Abstraction has 6589 states and 8937 transitions. [2019-10-13 21:02:04,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:02:04,771 INFO L276 IsEmpty]: Start isEmpty. Operand 6589 states and 8937 transitions. [2019-10-13 21:02:04,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-13 21:02:04,785 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:02:04,785 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:02:04,786 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:02:04,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:02:04,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1792192382, now seen corresponding path program 1 times [2019-10-13 21:02:04,786 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:02:04,787 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643281228] [2019-10-13 21:02:04,787 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:04,787 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:04,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:02:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-13 21:02:06,372 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643281228] [2019-10-13 21:02:06,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:02:06,373 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:02:06,373 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667173118] [2019-10-13 21:02:06,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:02:06,374 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:02:06,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:02:06,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:02:06,375 INFO L87 Difference]: Start difference. First operand 6589 states and 8937 transitions. Second operand 5 states. [2019-10-13 21:02:06,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:02:06,689 INFO L93 Difference]: Finished difference Result 11908 states and 16192 transitions. [2019-10-13 21:02:06,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:02:06,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2019-10-13 21:02:06,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:02:06,739 INFO L225 Difference]: With dead ends: 11908 [2019-10-13 21:02:06,739 INFO L226 Difference]: Without dead ends: 6621 [2019-10-13 21:02:06,761 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:02:06,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6621 states. [2019-10-13 21:02:07,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6621 to 6597. [2019-10-13 21:02:07,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6597 states. [2019-10-13 21:02:07,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6597 states to 6597 states and 8941 transitions. [2019-10-13 21:02:07,064 INFO L78 Accepts]: Start accepts. Automaton has 6597 states and 8941 transitions. Word has length 230 [2019-10-13 21:02:07,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:02:07,065 INFO L462 AbstractCegarLoop]: Abstraction has 6597 states and 8941 transitions. [2019-10-13 21:02:07,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:02:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 6597 states and 8941 transitions. [2019-10-13 21:02:07,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-13 21:02:07,076 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:02:07,076 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:02:07,076 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:02:07,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:02:07,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1603413532, now seen corresponding path program 1 times [2019-10-13 21:02:07,077 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:02:07,077 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152257471] [2019-10-13 21:02:07,078 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:07,078 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:07,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:02:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-13 21:02:07,667 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152257471] [2019-10-13 21:02:07,667 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:02:07,668 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:02:07,668 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674326255] [2019-10-13 21:02:07,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:02:07,669 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:02:07,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:02:07,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:02:07,670 INFO L87 Difference]: Start difference. First operand 6597 states and 8941 transitions. Second operand 5 states. [2019-10-13 21:02:08,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:02:08,172 INFO L93 Difference]: Finished difference Result 19743 states and 26821 transitions. [2019-10-13 21:02:08,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:02:08,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2019-10-13 21:02:08,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:02:08,282 INFO L225 Difference]: With dead ends: 19743 [2019-10-13 21:02:08,283 INFO L226 Difference]: Without dead ends: 13182 [2019-10-13 21:02:08,317 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:02:08,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13182 states. [2019-10-13 21:02:09,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13182 to 13139. [2019-10-13 21:02:09,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13139 states. [2019-10-13 21:02:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13139 states to 13139 states and 17825 transitions. [2019-10-13 21:02:09,118 INFO L78 Accepts]: Start accepts. Automaton has 13139 states and 17825 transitions. Word has length 226 [2019-10-13 21:02:09,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:02:09,119 INFO L462 AbstractCegarLoop]: Abstraction has 13139 states and 17825 transitions. [2019-10-13 21:02:09,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:02:09,119 INFO L276 IsEmpty]: Start isEmpty. Operand 13139 states and 17825 transitions. [2019-10-13 21:02:09,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-10-13 21:02:09,141 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:02:09,142 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:02:09,142 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:02:09,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:02:09,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1521500009, now seen corresponding path program 1 times [2019-10-13 21:02:09,143 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:02:09,143 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205560258] [2019-10-13 21:02:09,143 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:09,144 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:09,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:02:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:02:09,757 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-13 21:02:09,760 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205560258] [2019-10-13 21:02:09,760 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:02:09,760 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:02:09,761 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491768666] [2019-10-13 21:02:09,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:02:09,763 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:02:09,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:02:09,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:02:09,766 INFO L87 Difference]: Start difference. First operand 13139 states and 17825 transitions. Second operand 5 states. [2019-10-13 21:02:10,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:02:10,428 INFO L93 Difference]: Finished difference Result 30349 states and 41297 transitions. [2019-10-13 21:02:10,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:02:10,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2019-10-13 21:02:10,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:02:10,544 INFO L225 Difference]: With dead ends: 30349 [2019-10-13 21:02:10,544 INFO L226 Difference]: Without dead ends: 19768 [2019-10-13 21:02:10,603 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:02:10,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19768 states. [2019-10-13 21:02:11,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19768 to 19705. [2019-10-13 21:02:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19705 states. [2019-10-13 21:02:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19705 states to 19705 states and 26733 transitions. [2019-10-13 21:02:11,749 INFO L78 Accepts]: Start accepts. Automaton has 19705 states and 26733 transitions. Word has length 227 [2019-10-13 21:02:11,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:02:11,750 INFO L462 AbstractCegarLoop]: Abstraction has 19705 states and 26733 transitions. [2019-10-13 21:02:11,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:02:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 19705 states and 26733 transitions. [2019-10-13 21:02:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-13 21:02:11,772 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:02:11,772 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:02:11,773 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:02:11,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:02:11,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1667266503, now seen corresponding path program 1 times [2019-10-13 21:02:11,774 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:02:11,774 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820890838] [2019-10-13 21:02:11,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:11,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:02:11,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY