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--misc--ims-pcu.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:08:18,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:08:18,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:08:18,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:08:18,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:08:18,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:08:18,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:08:18,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:08:18,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:08:18,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:08:18,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:08:18,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:08:18,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:08:18,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:08:18,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:08:18,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:08:18,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:08:18,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:08:18,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:08:18,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:08:18,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:08:18,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:08:18,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:08:18,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:08:18,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:08:18,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:08:18,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:08:18,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:08:18,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:08:18,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:08:18,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:08:18,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:08:18,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:08:18,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:08:18,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:08:18,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:08:18,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:08:18,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:08:18,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:08:18,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:08:18,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:08:18,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:08:18,569 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:08:18,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:08:18,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:08:18,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:08:18,571 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:08:18,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:08:18,571 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:08:18,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:08:18,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:08:18,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:08:18,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:08:18,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:08:18,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:08:18,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:08:18,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:08:18,573 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:08:18,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:08:18,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:08:18,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:08:18,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:08:18,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:08:18,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:08:18,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:08:18,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:08:18,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:08:18,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:08:18,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:08:18,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:08:18,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:08:18,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:08:18,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:08:18,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:08:18,896 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:08:18,897 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:08:18,898 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2019-10-13 22:08:18,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f91c10912/006e1f461d284da0a25de101e953d77a/FLAG72d9efa63 [2019-10-13 22:08:19,796 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:08:19,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2019-10-13 22:08:19,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f91c10912/006e1f461d284da0a25de101e953d77a/FLAG72d9efa63 [2019-10-13 22:08:20,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f91c10912/006e1f461d284da0a25de101e953d77a [2019-10-13 22:08:20,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:08:20,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:08:20,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:08:20,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:08:20,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:08:20,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:08:20" (1/1) ... [2019-10-13 22:08:20,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f0596f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:20, skipping insertion in model container [2019-10-13 22:08:20,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:08:20" (1/1) ... [2019-10-13 22:08:20,316 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:08:20,462 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:08:22,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:08:22,721 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:08:23,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:08:23,561 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:08:23,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:23 WrapperNode [2019-10-13 22:08:23,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:08:23,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:08:23,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:08:23,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:08:23,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:23" (1/1) ... [2019-10-13 22:08:23,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:23" (1/1) ... [2019-10-13 22:08:23,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:23" (1/1) ... [2019-10-13 22:08:23,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:23" (1/1) ... [2019-10-13 22:08:23,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:23" (1/1) ... [2019-10-13 22:08:23,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:23" (1/1) ... [2019-10-13 22:08:23,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:23" (1/1) ... [2019-10-13 22:08:23,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:08:23,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:08:23,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:08:23,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:08:23,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:08:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:08:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:08:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:08:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-13 22:08:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 22:08:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-13 22:08:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-10-13 22:08:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2019-10-13 22:08:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-13 22:08:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-10-13 22:08:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-13 22:08:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-13 22:08:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-13 22:08:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-13 22:08:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-10-13 22:08:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-13 22:08:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-10-13 22:08:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2019-10-13 22:08:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-13 22:08:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:08:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 22:08:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 22:08:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-13 22:08:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-13 22:08:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 22:08:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:08:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:08:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:08:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:08:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:08:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:08:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:08:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:08:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:08:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:08:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:08:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:08:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2019-10-13 22:08:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2019-10-13 22:08:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2019-10-13 22:08:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-13 22:08:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-13 22:08:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-10-13 22:08:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-13 22:08:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-10-13 22:08:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-10-13 22:08:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2019-10-13 22:08:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2019-10-13 22:08:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2019-10-13 22:08:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buttons_report [2019-10-13 22:08:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_setup_buttons [2019-10-13 22:08:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_buttons [2019-10-13 22:08:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_gamepad_report [2019-10-13 22:08:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_setup_gamepad [2019-10-13 22:08:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_gamepad [2019-10-13 22:08:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_report_events [2019-10-13 22:08:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_response [2019-10-13 22:08:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_process_data [2019-10-13 22:08:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_byte_needs_escape [2019-10-13 22:08:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_cmd_chunk [2019-10-13 22:08:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_command [2019-10-13 22:08:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_command [2019-10-13 22:08:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_bl_command [2019-10-13 22:08:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_info [2019-10-13 22:08:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_set_info [2019-10-13 22:08:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_switch_to_bootloader [2019-10-13 22:08:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_count_fw_records [2019-10-13 22:08:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_verify_block [2019-10-13 22:08:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_flash_firmware [2019-10-13 22:08:24,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_firmware_update [2019-10-13 22:08:24,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_process_async_firmware [2019-10-13 22:08:24,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_backlight_work [2019-10-13 22:08:24,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_backlight_set_brightness [2019-10-13 22:08:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_backlight_get_brightness [2019-10-13 22:08:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_setup_backlight [2019-10-13 22:08:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_backlight [2019-10-13 22:08:24,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_attribute_show [2019-10-13 22:08:24,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_attribute_store [2019-10-13 22:08:24,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_reset_device [2019-10-13 22:08:24,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_update_firmware_store [2019-10-13 22:08:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_update_firmware_status_show [2019-10-13 22:08:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_is_attr_visible [2019-10-13 22:08:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_irq [2019-10-13 22:08:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_alloc [2019-10-13 22:08:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_free [2019-10-13 22:08:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_cdc_union_desc [2019-10-13 22:08:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_parse_cdc_data [2019-10-13 22:08:24,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_start_io [2019-10-13 22:08:24,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_stop_io [2019-10-13 22:08:24,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_line_setup [2019-10-13 22:08:24,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_device_info [2019-10-13 22:08:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_identify_type [2019-10-13 22:08:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_init_application_mode [2019-10-13 22:08:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_application_mode [2019-10-13 22:08:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_init_bootloader_mode [2019-10-13 22:08:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_bootloader_mode [2019-10-13 22:08:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_probe [2019-10-13 22:08:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_disconnect [2019-10-13 22:08:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_suspend [2019-10-13 22:08:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_resume [2019-10-13 22:08:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_driver_init [2019-10-13 22:08:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_driver_exit [2019-10-13 22:08:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_10 [2019-10-13 22:08:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_6 [2019-10-13 22:08:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_9 [2019-10-13 22:08:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_11 [2019-10-13 22:08:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_8 [2019-10-13 22:08:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_7 [2019-10-13 22:08:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 22:08:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:08:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 22:08:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2019-10-13 22:08:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2019-10-13 22:08:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2019-10-13 22:08:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_10 [2019-10-13 22:08:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_11 [2019-10-13 22:08:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_12 [2019-10-13 22:08:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_13 [2019-10-13 22:08:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_14 [2019-10-13 22:08:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_15 [2019-10-13 22:08:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_16 [2019-10-13 22:08:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_17 [2019-10-13 22:08:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_18 [2019-10-13 22:08:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_24 [2019-10-13 22:08:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_25 [2019-10-13 22:08:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 22:08:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-13 22:08:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-13 22:08:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-13 22:08:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-13 22:08:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-13 22:08:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-13 22:08:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-13 22:08:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-13 22:08:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-13 22:08:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-13 22:08:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-13 22:08:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-13 22:08:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-13 22:08:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-13 22:08:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-13 22:08:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:08:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 22:08:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 22:08:24,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 22:08:24,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:08:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 22:08:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-13 22:08:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-13 22:08:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 22:08:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-13 22:08:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-13 22:08:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-13 22:08:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-13 22:08:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-10-13 22:08:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-13 22:08:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2019-10-13 22:08:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:08:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure led_classdev_register [2019-10-13 22:08:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure led_classdev_unregister [2019-10-13 22:08:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 22:08:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-13 22:08:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-10-13 22:08:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 22:08:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:08:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 22:08:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-13 22:08:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-13 22:08:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2019-10-13 22:08:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-10-13 22:08:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-13 22:08:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2019-10-13 22:08:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-13 22:08:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_notify [2019-10-13 22:08:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-13 22:08:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 22:08:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-13 22:08:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 22:08:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 22:08:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-10-13 22:08:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-10-13 22:08:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 22:08:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-13 22:08:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 22:08:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 22:08:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-13 22:08:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2019-10-13 22:08:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:08:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:08:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:08:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:08:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:08:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:08:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:08:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:08:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:08:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-13 22:08:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-13 22:08:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2019-10-13 22:08:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-13 22:08:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 22:08:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-13 22:08:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-10-13 22:08:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:08:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2019-10-13 22:08:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-13 22:08:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-10-13 22:08:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-13 22:08:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-13 22:08:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-13 22:08:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-13 22:08:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-10-13 22:08:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-13 22:08:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-10-13 22:08:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2019-10-13 22:08:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 22:08:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2019-10-13 22:08:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 22:08:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-10-13 22:08:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-13 22:08:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-13 22:08:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:08:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:08:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 22:08:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-13 22:08:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 22:08:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 22:08:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-13 22:08:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 22:08:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 22:08:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 22:08:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-13 22:08:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:08:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:08:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:08:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-13 22:08:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2019-10-13 22:08:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-13 22:08:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:08:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 22:08:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-10-13 22:08:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:08:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-13 22:08:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-13 22:08:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_notify [2019-10-13 22:08:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 22:08:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-13 22:08:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 22:08:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2019-10-13 22:08:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_18 [2019-10-13 22:08:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 22:08:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-10-13 22:08:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-10-13 22:08:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-13 22:08:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-13 22:08:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:08:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 22:08:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_24 [2019-10-13 22:08:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 22:08:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_25 [2019-10-13 22:08:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_10 [2019-10-13 22:08:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_12 [2019-10-13 22:08:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2019-10-13 22:08:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_11 [2019-10-13 22:08:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_13 [2019-10-13 22:08:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_14 [2019-10-13 22:08:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_15 [2019-10-13 22:08:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2019-10-13 22:08:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_16 [2019-10-13 22:08:24,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_17 [2019-10-13 22:08:24,102 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 22:08:24,102 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 22:08:24,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 22:08:24,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 22:08:24,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-13 22:08:24,104 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 22:08:24,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-13 22:08:24,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-13 22:08:24,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-13 22:08:24,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-13 22:08:24,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-13 22:08:24,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-13 22:08:24,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-13 22:08:24,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-13 22:08:24,105 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:08:24,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:08:24,105 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:08:24,105 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:08:24,105 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:08:24,105 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:08:24,105 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:08:24,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:08:24,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-13 22:08:24,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:08:24,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:08:24,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:08:24,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:08:24,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:08:24,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:08:24,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:08:24,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:08:24,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:08:24,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:08:24,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:08:24,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:08:24,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_10 [2019-10-13 22:08:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_6 [2019-10-13 22:08:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_9 [2019-10-13 22:08:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_11 [2019-10-13 22:08:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_8 [2019-10-13 22:08:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_7 [2019-10-13 22:08:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 22:08:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-13 22:08:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2019-10-13 22:08:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-13 22:08:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2019-10-13 22:08:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2019-10-13 22:08:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2019-10-13 22:08:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-13 22:08:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-13 22:08:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-13 22:08:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-13 22:08:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-13 22:08:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-13 22:08:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-10-13 22:08:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-13 22:08:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-10-13 22:08:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure led_classdev_register [2019-10-13 22:08:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure led_classdev_unregister [2019-10-13 22:08:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-10-13 22:08:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-10-13 22:08:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2019-10-13 22:08:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2019-10-13 22:08:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2019-10-13 22:08:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buttons_report [2019-10-13 22:08:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_setup_buttons [2019-10-13 22:08:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:08:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_buttons [2019-10-13 22:08:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_gamepad_report [2019-10-13 22:08:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_setup_gamepad [2019-10-13 22:08:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_gamepad [2019-10-13 22:08:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_report_events [2019-10-13 22:08:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_response [2019-10-13 22:08:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_process_data [2019-10-13 22:08:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_byte_needs_escape [2019-10-13 22:08:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_cmd_chunk [2019-10-13 22:08:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_command [2019-10-13 22:08:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_command [2019-10-13 22:08:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_bl_command [2019-10-13 22:08:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_info [2019-10-13 22:08:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_set_info [2019-10-13 22:08:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_switch_to_bootloader [2019-10-13 22:08:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_count_fw_records [2019-10-13 22:08:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_verify_block [2019-10-13 22:08:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_flash_firmware [2019-10-13 22:08:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_firmware_update [2019-10-13 22:08:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_process_async_firmware [2019-10-13 22:08:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_backlight_work [2019-10-13 22:08:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_backlight_set_brightness [2019-10-13 22:08:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_backlight_get_brightness [2019-10-13 22:08:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_setup_backlight [2019-10-13 22:08:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_backlight [2019-10-13 22:08:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_attribute_show [2019-10-13 22:08:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_attribute_store [2019-10-13 22:08:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:08:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_reset_device [2019-10-13 22:08:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_update_firmware_store [2019-10-13 22:08:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_update_firmware_status_show [2019-10-13 22:08:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_is_attr_visible [2019-10-13 22:08:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_irq [2019-10-13 22:08:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_alloc [2019-10-13 22:08:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_free [2019-10-13 22:08:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_cdc_union_desc [2019-10-13 22:08:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_parse_cdc_data [2019-10-13 22:08:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_start_io [2019-10-13 22:08:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_stop_io [2019-10-13 22:08:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_line_setup [2019-10-13 22:08:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_device_info [2019-10-13 22:08:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_identify_type [2019-10-13 22:08:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_init_application_mode [2019-10-13 22:08:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_application_mode [2019-10-13 22:08:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_init_bootloader_mode [2019-10-13 22:08:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_bootloader_mode [2019-10-13 22:08:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_probe [2019-10-13 22:08:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_disconnect [2019-10-13 22:08:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_suspend [2019-10-13 22:08:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_resume [2019-10-13 22:08:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_driver_init [2019-10-13 22:08:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_driver_exit [2019-10-13 22:08:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:08:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:08:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:08:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 22:08:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-13 22:08:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:08:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-13 22:08:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-13 22:08:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-13 22:08:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-13 22:08:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-13 22:08:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-13 22:08:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:08:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:08:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:08:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:08:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:08:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:08:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:08:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:08:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:08:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:08:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:08:25,679 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:08:31,361 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 22:08:39,716 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:08:39,716 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:08:39,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:08:39 BoogieIcfgContainer [2019-10-13 22:08:39,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:08:39,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:08:39,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:08:39,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:08:39,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:08:20" (1/3) ... [2019-10-13 22:08:39,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d5062e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:08:39, skipping insertion in model container [2019-10-13 22:08:39,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:23" (2/3) ... [2019-10-13 22:08:39,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d5062e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:08:39, skipping insertion in model container [2019-10-13 22:08:39,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:08:39" (3/3) ... [2019-10-13 22:08:39,727 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2019-10-13 22:08:39,738 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:08:39,748 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:08:39,760 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:08:39,794 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:08:39,794 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:08:39,794 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:08:39,794 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:08:39,794 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:08:39,795 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:08:39,795 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:08:39,795 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:08:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states. [2019-10-13 22:08:39,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-13 22:08:39,863 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:39,864 INFO L380 BasicCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:08:39,867 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:39,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:39,874 INFO L82 PathProgramCache]: Analyzing trace with hash -2002795050, now seen corresponding path program 1 times [2019-10-13 22:08:39,883 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:39,884 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801796150] [2019-10-13 22:08:39,884 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:39,884 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:39,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2019-10-13 22:08:40,948 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801796150] [2019-10-13 22:08:40,949 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:40,949 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:40,950 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119316358] [2019-10-13 22:08:40,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:40,957 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:40,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:40,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:40,975 INFO L87 Difference]: Start difference. First operand 1350 states. Second operand 3 states. [2019-10-13 22:08:43,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:43,703 INFO L93 Difference]: Finished difference Result 3707 states and 4867 transitions. [2019-10-13 22:08:43,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:43,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-10-13 22:08:43,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:43,758 INFO L225 Difference]: With dead ends: 3707 [2019-10-13 22:08:43,758 INFO L226 Difference]: Without dead ends: 2418 [2019-10-13 22:08:43,775 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:43,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2019-10-13 22:08:44,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2418. [2019-10-13 22:08:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2418 states. [2019-10-13 22:08:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3153 transitions. [2019-10-13 22:08:44,062 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3153 transitions. Word has length 186 [2019-10-13 22:08:44,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:44,063 INFO L462 AbstractCegarLoop]: Abstraction has 2418 states and 3153 transitions. [2019-10-13 22:08:44,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:44,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3153 transitions. [2019-10-13 22:08:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-13 22:08:44,072 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:44,072 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:08:44,073 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:44,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:44,073 INFO L82 PathProgramCache]: Analyzing trace with hash 91383173, now seen corresponding path program 1 times [2019-10-13 22:08:44,074 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:44,074 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676401939] [2019-10-13 22:08:44,074 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:44,074 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:44,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2019-10-13 22:08:44,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676401939] [2019-10-13 22:08:44,593 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:44,593 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:44,594 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746171223] [2019-10-13 22:08:44,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:44,597 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:44,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:44,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:44,597 INFO L87 Difference]: Start difference. First operand 2418 states and 3153 transitions. Second operand 3 states. [2019-10-13 22:08:45,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:45,503 INFO L93 Difference]: Finished difference Result 4674 states and 6100 transitions. [2019-10-13 22:08:45,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:45,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-10-13 22:08:45,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:45,540 INFO L225 Difference]: With dead ends: 4674 [2019-10-13 22:08:45,540 INFO L226 Difference]: Without dead ends: 4671 [2019-10-13 22:08:45,545 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:45,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4671 states. [2019-10-13 22:08:45,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4671 to 4659. [2019-10-13 22:08:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4659 states. [2019-10-13 22:08:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4659 states to 4659 states and 6083 transitions. [2019-10-13 22:08:45,821 INFO L78 Accepts]: Start accepts. Automaton has 4659 states and 6083 transitions. Word has length 200 [2019-10-13 22:08:45,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:45,824 INFO L462 AbstractCegarLoop]: Abstraction has 4659 states and 6083 transitions. [2019-10-13 22:08:45,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 4659 states and 6083 transitions. [2019-10-13 22:08:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-10-13 22:08:45,830 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:45,830 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:08:45,831 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:45,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:45,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1462840218, now seen corresponding path program 1 times [2019-10-13 22:08:45,831 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:45,833 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280294487] [2019-10-13 22:08:45,833 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:45,833 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:45,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:46,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2019-10-13 22:08:46,371 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280294487] [2019-10-13 22:08:46,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:46,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:46,372 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978405521] [2019-10-13 22:08:46,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:46,374 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:46,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:46,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:46,375 INFO L87 Difference]: Start difference. First operand 4659 states and 6083 transitions. Second operand 3 states. [2019-10-13 22:08:46,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:46,537 INFO L93 Difference]: Finished difference Result 4661 states and 6084 transitions. [2019-10-13 22:08:46,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:46,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2019-10-13 22:08:46,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:46,570 INFO L225 Difference]: With dead ends: 4661 [2019-10-13 22:08:46,571 INFO L226 Difference]: Without dead ends: 4658 [2019-10-13 22:08:46,574 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:46,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4658 states. [2019-10-13 22:08:46,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4658 to 4658. [2019-10-13 22:08:46,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4658 states. [2019-10-13 22:08:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4658 states to 4658 states and 6081 transitions. [2019-10-13 22:08:46,892 INFO L78 Accepts]: Start accepts. Automaton has 4658 states and 6081 transitions. Word has length 201 [2019-10-13 22:08:46,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:46,894 INFO L462 AbstractCegarLoop]: Abstraction has 4658 states and 6081 transitions. [2019-10-13 22:08:46,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:46,894 INFO L276 IsEmpty]: Start isEmpty. Operand 4658 states and 6081 transitions. [2019-10-13 22:08:46,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-10-13 22:08:46,900 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:46,900 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:08:46,901 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:46,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:46,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1895847080, now seen corresponding path program 1 times [2019-10-13 22:08:46,901 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:46,902 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270472975] [2019-10-13 22:08:46,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:46,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:46,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2019-10-13 22:08:47,484 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270472975] [2019-10-13 22:08:47,484 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:47,485 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:47,485 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337119239] [2019-10-13 22:08:47,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:47,486 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:47,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:47,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:47,488 INFO L87 Difference]: Start difference. First operand 4658 states and 6081 transitions. Second operand 3 states. [2019-10-13 22:08:47,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:47,769 INFO L93 Difference]: Finished difference Result 4660 states and 6082 transitions. [2019-10-13 22:08:47,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:47,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2019-10-13 22:08:47,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:47,800 INFO L225 Difference]: With dead ends: 4660 [2019-10-13 22:08:47,800 INFO L226 Difference]: Without dead ends: 4657 [2019-10-13 22:08:47,803 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:47,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4657 states. [2019-10-13 22:08:48,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4657 to 4657. [2019-10-13 22:08:48,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4657 states. [2019-10-13 22:08:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4657 states to 4657 states and 6079 transitions. [2019-10-13 22:08:48,078 INFO L78 Accepts]: Start accepts. Automaton has 4657 states and 6079 transitions. Word has length 202 [2019-10-13 22:08:48,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:48,079 INFO L462 AbstractCegarLoop]: Abstraction has 4657 states and 6079 transitions. [2019-10-13 22:08:48,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 4657 states and 6079 transitions. [2019-10-13 22:08:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-10-13 22:08:48,083 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:48,084 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:08:48,084 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:48,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:48,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1359024215, now seen corresponding path program 1 times [2019-10-13 22:08:48,085 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:48,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534834663] [2019-10-13 22:08:48,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:48,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:48,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2019-10-13 22:08:48,638 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534834663] [2019-10-13 22:08:48,638 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:48,639 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:48,639 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522663964] [2019-10-13 22:08:48,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:48,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:48,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:48,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:48,641 INFO L87 Difference]: Start difference. First operand 4657 states and 6079 transitions. Second operand 3 states. [2019-10-13 22:08:48,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:48,873 INFO L93 Difference]: Finished difference Result 4659 states and 6080 transitions. [2019-10-13 22:08:48,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:48,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2019-10-13 22:08:48,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:48,907 INFO L225 Difference]: With dead ends: 4659 [2019-10-13 22:08:48,907 INFO L226 Difference]: Without dead ends: 4656 [2019-10-13 22:08:48,911 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 22:08:48,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4656 states. [2019-10-13 22:08:49,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 4656. [2019-10-13 22:08:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4656 states. [2019-10-13 22:08:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 6077 transitions. [2019-10-13 22:08:49,167 INFO L78 Accepts]: Start accepts. Automaton has 4656 states and 6077 transitions. Word has length 203 [2019-10-13 22:08:49,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:49,170 INFO L462 AbstractCegarLoop]: Abstraction has 4656 states and 6077 transitions. [2019-10-13 22:08:49,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 4656 states and 6077 transitions. [2019-10-13 22:08:49,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-13 22:08:49,175 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:49,176 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:08:49,176 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:49,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:49,176 INFO L82 PathProgramCache]: Analyzing trace with hash 819185611, now seen corresponding path program 1 times [2019-10-13 22:08:49,177 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:49,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497772624] [2019-10-13 22:08:49,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:49,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:49,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2019-10-13 22:08:49,606 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497772624] [2019-10-13 22:08:49,606 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:49,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:49,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531126613] [2019-10-13 22:08:49,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:49,608 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:49,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:49,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:49,609 INFO L87 Difference]: Start difference. First operand 4656 states and 6077 transitions. Second operand 3 states. [2019-10-13 22:08:49,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:49,855 INFO L93 Difference]: Finished difference Result 4658 states and 6078 transitions. [2019-10-13 22:08:49,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:49,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2019-10-13 22:08:49,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:49,891 INFO L225 Difference]: With dead ends: 4658 [2019-10-13 22:08:49,892 INFO L226 Difference]: Without dead ends: 4638 [2019-10-13 22:08:49,896 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:49,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4638 states. [2019-10-13 22:08:50,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4638 to 4638. [2019-10-13 22:08:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4638 states. [2019-10-13 22:08:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4638 states to 4638 states and 6055 transitions. [2019-10-13 22:08:50,170 INFO L78 Accepts]: Start accepts. Automaton has 4638 states and 6055 transitions. Word has length 204 [2019-10-13 22:08:50,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:50,171 INFO L462 AbstractCegarLoop]: Abstraction has 4638 states and 6055 transitions. [2019-10-13 22:08:50,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 4638 states and 6055 transitions. [2019-10-13 22:08:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-10-13 22:08:50,190 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:50,191 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:08:50,191 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:50,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:50,192 INFO L82 PathProgramCache]: Analyzing trace with hash -2061284100, now seen corresponding path program 1 times [2019-10-13 22:08:50,192 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:50,192 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003407516] [2019-10-13 22:08:50,193 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:50,193 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:50,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1223 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1214 trivial. 0 not checked. [2019-10-13 22:08:50,687 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003407516] [2019-10-13 22:08:50,687 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:50,688 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:50,688 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452907685] [2019-10-13 22:08:50,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:50,689 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:50,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:50,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:50,690 INFO L87 Difference]: Start difference. First operand 4638 states and 6055 transitions. Second operand 3 states. [2019-10-13 22:08:51,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:08:51,550 INFO L93 Difference]: Finished difference Result 11002 states and 14433 transitions. [2019-10-13 22:08:51,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:08:51,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2019-10-13 22:08:51,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:08:51,606 INFO L225 Difference]: With dead ends: 11002 [2019-10-13 22:08:51,607 INFO L226 Difference]: Without dead ends: 6422 [2019-10-13 22:08:51,628 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:51,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6422 states. [2019-10-13 22:08:51,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6422 to 6392. [2019-10-13 22:08:51,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6392 states. [2019-10-13 22:08:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6392 states to 6392 states and 8422 transitions. [2019-10-13 22:08:52,033 INFO L78 Accepts]: Start accepts. Automaton has 6392 states and 8422 transitions. Word has length 345 [2019-10-13 22:08:52,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:08:52,034 INFO L462 AbstractCegarLoop]: Abstraction has 6392 states and 8422 transitions. [2019-10-13 22:08:52,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:08:52,035 INFO L276 IsEmpty]: Start isEmpty. Operand 6392 states and 8422 transitions. [2019-10-13 22:08:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-10-13 22:08:52,073 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:08:52,074 INFO L380 BasicCegarLoop]: trace histogram [26, 26, 26, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:08:52,074 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:08:52,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:08:52,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1055021550, now seen corresponding path program 1 times [2019-10-13 22:08:52,075 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:08:52,075 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766665936] [2019-10-13 22:08:52,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:52,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:08:52,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:08:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:08:52,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-10-13 22:08:52,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766665936] [2019-10-13 22:08:52,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:08:52,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:08:52,819 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123216436] [2019-10-13 22:08:52,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:08:52,822 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:08:52,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:08:52,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:08:52,823 INFO L87 Difference]: Start difference. First operand 6392 states and 8422 transitions. Second operand 3 states.