java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-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 0.1.24-13a467a-m [2019-10-15 00:21:44,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:21:44,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:21:44,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:21:44,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:21:44,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:21:44,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:21:44,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:21:44,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:21:44,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:21:44,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:21:44,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:21:44,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:21:44,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:21:44,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:21:44,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:21:44,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:21:44,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:21:44,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:21:44,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:21:44,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:21:44,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:21:44,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:21:44,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:21:44,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:21:44,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:21:44,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:21:44,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:21:44,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:21:44,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:21:44,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:21:44,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:21:44,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:21:44,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:21:44,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:21:44,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:21:44,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:21:44,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:21:44,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:21:44,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:21:44,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:21:44,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:21:44,079 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:21:44,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:21:44,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:21:44,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:21:44,082 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:21:44,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:21:44,082 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:21:44,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:21:44,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:21:44,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:21:44,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:21:44,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:21:44,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:21:44,083 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:21:44,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:21:44,084 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:21:44,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:21:44,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:21:44,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:21:44,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:21:44,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:21:44,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:21:44,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:21:44,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:21:44,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:21:44,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:21:44,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:21:44,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:21:44,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:21:44,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:21:44,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:21:44,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:21:44,382 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:21:44,383 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:21:44,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2019-10-15 00:21:44,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1efe15202/ccb3c04aa8034fedaca1939fe4ee39de/FLAG1051db3eb [2019-10-15 00:21:45,226 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:21:45,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2019-10-15 00:21:45,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1efe15202/ccb3c04aa8034fedaca1939fe4ee39de/FLAG1051db3eb [2019-10-15 00:21:45,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1efe15202/ccb3c04aa8034fedaca1939fe4ee39de [2019-10-15 00:21:45,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:21:45,719 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:21:45,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:21:45,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:21:45,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:21:45,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:21:45" (1/1) ... [2019-10-15 00:21:45,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470023b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:21:45, skipping insertion in model container [2019-10-15 00:21:45,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:21:45" (1/1) ... [2019-10-15 00:21:45,737 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:21:45,888 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:21:47,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:21:48,001 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:21:48,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:21:48,778 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:21:48,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:21:48 WrapperNode [2019-10-15 00:21:48,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:21:48,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:21:48,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:21:48,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:21:48,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:21:48" (1/1) ... [2019-10-15 00:21:48,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:21:48" (1/1) ... [2019-10-15 00:21:48,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:21:48" (1/1) ... [2019-10-15 00:21:48,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:21:48" (1/1) ... [2019-10-15 00:21:49,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:21:48" (1/1) ... [2019-10-15 00:21:49,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:21:48" (1/1) ... [2019-10-15 00:21:49,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:21:48" (1/1) ... [2019-10-15 00:21:49,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:21:49,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:21:49,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:21:49,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:21:49,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:21:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:21:49,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:21:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:21:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:21:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-15 00:21:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 00:21:49,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-15 00:21:49,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-10-15 00:21:49,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2019-10-15 00:21:49,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-15 00:21:49,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-10-15 00:21:49,227 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-15 00:21:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-15 00:21:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-15 00:21:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-15 00:21:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-10-15 00:21:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-15 00:21:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-10-15 00:21:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2019-10-15 00:21:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-15 00:21:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 00:21:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-15 00:21:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-15 00:21:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-15 00:21:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-15 00:21:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-15 00:21:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:21:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:21:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:21:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:21:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:21:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:21:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:21:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:21:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:21:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:21:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:21:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:21:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2019-10-15 00:21:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2019-10-15 00:21:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2019-10-15 00:21:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-15 00:21:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-15 00:21:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-10-15 00:21:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-15 00:21:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-10-15 00:21:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-10-15 00:21:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2019-10-15 00:21:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2019-10-15 00:21:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2019-10-15 00:21:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buttons_report [2019-10-15 00:21:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_setup_buttons [2019-10-15 00:21:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_buttons [2019-10-15 00:21:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_gamepad_report [2019-10-15 00:21:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_setup_gamepad [2019-10-15 00:21:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_gamepad [2019-10-15 00:21:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_report_events [2019-10-15 00:21:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_response [2019-10-15 00:21:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_process_data [2019-10-15 00:21:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_byte_needs_escape [2019-10-15 00:21:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_cmd_chunk [2019-10-15 00:21:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_command [2019-10-15 00:21:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_command [2019-10-15 00:21:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_bl_command [2019-10-15 00:21:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_info [2019-10-15 00:21:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_set_info [2019-10-15 00:21:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_switch_to_bootloader [2019-10-15 00:21:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_count_fw_records [2019-10-15 00:21:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_verify_block [2019-10-15 00:21:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_flash_firmware [2019-10-15 00:21:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_firmware_update [2019-10-15 00:21:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_process_async_firmware [2019-10-15 00:21:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_backlight_work [2019-10-15 00:21:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_backlight_set_brightness [2019-10-15 00:21:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_backlight_get_brightness [2019-10-15 00:21:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_setup_backlight [2019-10-15 00:21:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_backlight [2019-10-15 00:21:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_attribute_show [2019-10-15 00:21:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_attribute_store [2019-10-15 00:21:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_reset_device [2019-10-15 00:21:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_update_firmware_store [2019-10-15 00:21:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_update_firmware_status_show [2019-10-15 00:21:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_is_attr_visible [2019-10-15 00:21:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_irq [2019-10-15 00:21:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_alloc [2019-10-15 00:21:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_free [2019-10-15 00:21:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_cdc_union_desc [2019-10-15 00:21:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_parse_cdc_data [2019-10-15 00:21:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_start_io [2019-10-15 00:21:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_stop_io [2019-10-15 00:21:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_line_setup [2019-10-15 00:21:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_device_info [2019-10-15 00:21:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_identify_type [2019-10-15 00:21:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_init_application_mode [2019-10-15 00:21:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_application_mode [2019-10-15 00:21:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_init_bootloader_mode [2019-10-15 00:21:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_bootloader_mode [2019-10-15 00:21:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_probe [2019-10-15 00:21:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_disconnect [2019-10-15 00:21:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_suspend [2019-10-15 00:21:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_resume [2019-10-15 00:21:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_driver_init [2019-10-15 00:21:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_driver_exit [2019-10-15 00:21:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_10 [2019-10-15 00:21:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_6 [2019-10-15 00:21:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_9 [2019-10-15 00:21:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_11 [2019-10-15 00:21:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_8 [2019-10-15 00:21:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_7 [2019-10-15 00:21:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-15 00:21:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:21:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-15 00:21:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2019-10-15 00:21:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2019-10-15 00:21:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2019-10-15 00:21:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_10 [2019-10-15 00:21:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_11 [2019-10-15 00:21:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_12 [2019-10-15 00:21:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_13 [2019-10-15 00:21:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_14 [2019-10-15 00:21:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_15 [2019-10-15 00:21:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_16 [2019-10-15 00:21:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_17 [2019-10-15 00:21:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_18 [2019-10-15 00:21:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_24 [2019-10-15 00:21:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_25 [2019-10-15 00:21:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-15 00:21:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-15 00:21:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-15 00:21:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-15 00:21:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-15 00:21:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-15 00:21:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-15 00:21:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-15 00:21:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-15 00:21:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-15 00:21:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-15 00:21:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-15 00:21:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-15 00:21:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-15 00:21:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-15 00:21:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-15 00:21:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:21:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-15 00:21:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-15 00:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-15 00:21:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 00:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 00:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-15 00:21:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-15 00:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 00:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-15 00:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-15 00:21:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-15 00:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-15 00:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-10-15 00:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-15 00:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2019-10-15 00:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure led_classdev_register [2019-10-15 00:21:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure led_classdev_unregister [2019-10-15 00:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-15 00:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-15 00:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-10-15 00:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-15 00:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-15 00:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-15 00:21:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-15 00:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2019-10-15 00:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-10-15 00:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-15 00:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2019-10-15 00:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-15 00:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_notify [2019-10-15 00:21:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-15 00:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-15 00:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-15 00:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-15 00:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-15 00:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-10-15 00:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-10-15 00:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-15 00:21:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-15 00:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-15 00:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-15 00:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-15 00:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2019-10-15 00:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:21:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:21:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:21:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:21:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:21:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:21:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:21:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-15 00:21:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-15 00:21:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2019-10-15 00:21:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-15 00:21:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 00:21:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-15 00:21:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-10-15 00:21:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:21:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2019-10-15 00:21:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-15 00:21:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-10-15 00:21:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-15 00:21:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-15 00:21:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-15 00:21:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-15 00:21:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-10-15 00:21:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-15 00:21:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-10-15 00:21:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2019-10-15 00:21:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-15 00:21:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2019-10-15 00:21:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 00:21:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-10-15 00:21:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-15 00:21:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-15 00:21:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 00:21:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:21:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-15 00:21:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-15 00:21:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-15 00:21:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-15 00:21:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-15 00:21:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-15 00:21:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-15 00:21:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-15 00:21:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-15 00:21:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:21:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:21:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:21:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-15 00:21:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2019-10-15 00:21:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-15 00:21:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 00:21:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-15 00:21:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-10-15 00:21:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:21:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-15 00:21:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-15 00:21:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_notify [2019-10-15 00:21:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 00:21:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-15 00:21:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 00:21:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2019-10-15 00:21:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_18 [2019-10-15 00:21:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-15 00:21:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-10-15 00:21:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-10-15 00:21:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-15 00:21:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-15 00:21:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:21:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-15 00:21:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_24 [2019-10-15 00:21:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-15 00:21:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_25 [2019-10-15 00:21:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_10 [2019-10-15 00:21:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_12 [2019-10-15 00:21:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2019-10-15 00:21:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_11 [2019-10-15 00:21:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_13 [2019-10-15 00:21:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_14 [2019-10-15 00:21:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_15 [2019-10-15 00:21:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2019-10-15 00:21:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_16 [2019-10-15 00:21:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_17 [2019-10-15 00:21:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-15 00:21:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-15 00:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-15 00:21:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-15 00:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-15 00:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-15 00:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-15 00:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-15 00:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-15 00:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-15 00:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-15 00:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-15 00:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-15 00:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-15 00:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-15 00:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:21:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:21:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_10 [2019-10-15 00:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_6 [2019-10-15 00:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_9 [2019-10-15 00:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_11 [2019-10-15 00:21:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_8 [2019-10-15 00:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_7 [2019-10-15 00:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-15 00:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-15 00:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2019-10-15 00:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-15 00:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2019-10-15 00:21:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2019-10-15 00:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2019-10-15 00:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-15 00:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-15 00:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-15 00:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-15 00:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-15 00:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-15 00:21:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-10-15 00:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-15 00:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-10-15 00:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure led_classdev_register [2019-10-15 00:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure led_classdev_unregister [2019-10-15 00:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-10-15 00:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-10-15 00:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2019-10-15 00:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2019-10-15 00:21:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2019-10-15 00:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buttons_report [2019-10-15 00:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_setup_buttons [2019-10-15 00:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_buttons [2019-10-15 00:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_gamepad_report [2019-10-15 00:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_setup_gamepad [2019-10-15 00:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_gamepad [2019-10-15 00:21:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_report_events [2019-10-15 00:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_response [2019-10-15 00:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_process_data [2019-10-15 00:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_byte_needs_escape [2019-10-15 00:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_cmd_chunk [2019-10-15 00:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_command [2019-10-15 00:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_command [2019-10-15 00:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_bl_command [2019-10-15 00:21:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_info [2019-10-15 00:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_set_info [2019-10-15 00:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_switch_to_bootloader [2019-10-15 00:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_count_fw_records [2019-10-15 00:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_verify_block [2019-10-15 00:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_flash_firmware [2019-10-15 00:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_firmware_update [2019-10-15 00:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_process_async_firmware [2019-10-15 00:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_backlight_work [2019-10-15 00:21:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_backlight_set_brightness [2019-10-15 00:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_backlight_get_brightness [2019-10-15 00:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_setup_backlight [2019-10-15 00:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_backlight [2019-10-15 00:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_attribute_show [2019-10-15 00:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_attribute_store [2019-10-15 00:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_reset_device [2019-10-15 00:21:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_update_firmware_store [2019-10-15 00:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_update_firmware_status_show [2019-10-15 00:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_is_attr_visible [2019-10-15 00:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_irq [2019-10-15 00:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_alloc [2019-10-15 00:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_free [2019-10-15 00:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_cdc_union_desc [2019-10-15 00:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_parse_cdc_data [2019-10-15 00:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_start_io [2019-10-15 00:21:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_stop_io [2019-10-15 00:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_line_setup [2019-10-15 00:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_device_info [2019-10-15 00:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_identify_type [2019-10-15 00:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_init_application_mode [2019-10-15 00:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_application_mode [2019-10-15 00:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_init_bootloader_mode [2019-10-15 00:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_bootloader_mode [2019-10-15 00:21:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_probe [2019-10-15 00:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_disconnect [2019-10-15 00:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_suspend [2019-10-15 00:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_resume [2019-10-15 00:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_driver_init [2019-10-15 00:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_driver_exit [2019-10-15 00:21:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-15 00:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-15 00:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:21:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-15 00:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-15 00:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-15 00:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-15 00:21:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-15 00:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-15 00:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 00:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:21:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:21:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:21:50,630 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:21:56,607 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-15 00:21:58,916 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:21:58,916 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:21:58,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:21:58 BoogieIcfgContainer [2019-10-15 00:21:58,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:21:58,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:21:58,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:21:58,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:21:58,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:21:45" (1/3) ... [2019-10-15 00:21:58,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eedb778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:21:58, skipping insertion in model container [2019-10-15 00:21:58,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:21:48" (2/3) ... [2019-10-15 00:21:58,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eedb778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:21:58, skipping insertion in model container [2019-10-15 00:21:58,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:21:58" (3/3) ... [2019-10-15 00:21:58,928 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2019-10-15 00:21:58,938 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:21:58,948 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:21:58,960 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:21:58,996 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:21:58,996 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:21:58,996 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:21:58,997 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:21:58,997 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:21:58,997 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:21:58,997 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:21:58,997 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:21:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states. [2019-10-15 00:21:59,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-15 00:21:59,066 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:21:59,068 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, 1, 1, 1, 1] [2019-10-15 00:21:59,072 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:21:59,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:21:59,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1545703312, now seen corresponding path program 1 times [2019-10-15 00:21:59,088 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:21:59,088 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255013827] [2019-10-15 00:21:59,089 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:59,089 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:59,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:21:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:22:00,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2019-10-15 00:22:00,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255013827] [2019-10-15 00:22:00,267 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:22:00,268 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:22:00,268 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661783693] [2019-10-15 00:22:00,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:22:00,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:22:00,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:22:00,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:00,298 INFO L87 Difference]: Start difference. First operand 1576 states. Second operand 3 states. [2019-10-15 00:22:03,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:22:03,341 INFO L93 Difference]: Finished difference Result 4335 states and 5681 transitions. [2019-10-15 00:22:03,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:22:03,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-10-15 00:22:03,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:22:03,401 INFO L225 Difference]: With dead ends: 4335 [2019-10-15 00:22:03,402 INFO L226 Difference]: Without dead ends: 2831 [2019-10-15 00:22:03,418 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:03,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2019-10-15 00:22:03,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2831. [2019-10-15 00:22:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2831 states. [2019-10-15 00:22:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3690 transitions. [2019-10-15 00:22:03,735 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3690 transitions. Word has length 190 [2019-10-15 00:22:03,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:22:03,742 INFO L462 AbstractCegarLoop]: Abstraction has 2831 states and 3690 transitions. [2019-10-15 00:22:03,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:22:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3690 transitions. [2019-10-15 00:22:03,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-15 00:22:03,760 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:22:03,761 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, 1, 1] [2019-10-15 00:22:03,761 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:22:03,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:22:03,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1284164907, now seen corresponding path program 1 times [2019-10-15 00:22:03,762 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:22:03,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178457217] [2019-10-15 00:22:03,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:03,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:03,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:22:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:22:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2019-10-15 00:22:04,578 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178457217] [2019-10-15 00:22:04,579 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:22:04,579 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:22:04,579 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249686427] [2019-10-15 00:22:04,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:22:04,582 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:22:04,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:22:04,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:04,583 INFO L87 Difference]: Start difference. First operand 2831 states and 3690 transitions. Second operand 3 states. [2019-10-15 00:22:04,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:22:04,860 INFO L93 Difference]: Finished difference Result 8374 states and 11055 transitions. [2019-10-15 00:22:04,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:22:04,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-10-15 00:22:04,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:22:04,898 INFO L225 Difference]: With dead ends: 8374 [2019-10-15 00:22:04,899 INFO L226 Difference]: Without dead ends: 5602 [2019-10-15 00:22:04,914 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:04,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5602 states. [2019-10-15 00:22:05,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5602 to 5592. [2019-10-15 00:22:05,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5592 states. [2019-10-15 00:22:05,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5592 states to 5592 states and 7344 transitions. [2019-10-15 00:22:05,233 INFO L78 Accepts]: Start accepts. Automaton has 5592 states and 7344 transitions. Word has length 206 [2019-10-15 00:22:05,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:22:05,235 INFO L462 AbstractCegarLoop]: Abstraction has 5592 states and 7344 transitions. [2019-10-15 00:22:05,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:22:05,235 INFO L276 IsEmpty]: Start isEmpty. Operand 5592 states and 7344 transitions. [2019-10-15 00:22:05,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-15 00:22:05,241 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:22:05,242 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, 1, 1, 1] [2019-10-15 00:22:05,242 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:22:05,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:22:05,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1155157738, now seen corresponding path program 1 times [2019-10-15 00:22:05,243 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:22:05,244 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904012831] [2019-10-15 00:22:05,247 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:05,248 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:05,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:22:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:22:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2019-10-15 00:22:05,804 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904012831] [2019-10-15 00:22:05,804 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:22:05,804 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 00:22:05,805 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384145508] [2019-10-15 00:22:05,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 00:22:05,806 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:22:05,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 00:22:05,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 00:22:05,807 INFO L87 Difference]: Start difference. First operand 5592 states and 7344 transitions. Second operand 4 states. [2019-10-15 00:22:06,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:22:06,112 INFO L93 Difference]: Finished difference Result 11158 states and 14650 transitions. [2019-10-15 00:22:06,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:22:06,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2019-10-15 00:22:06,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:22:06,160 INFO L225 Difference]: With dead ends: 11158 [2019-10-15 00:22:06,161 INFO L226 Difference]: Without dead ends: 5624 [2019-10-15 00:22:06,191 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:22:06,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5624 states. [2019-10-15 00:22:06,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5624 to 5624. [2019-10-15 00:22:06,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5624 states. [2019-10-15 00:22:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5624 states to 5624 states and 7388 transitions. [2019-10-15 00:22:06,446 INFO L78 Accepts]: Start accepts. Automaton has 5624 states and 7388 transitions. Word has length 207 [2019-10-15 00:22:06,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:22:06,447 INFO L462 AbstractCegarLoop]: Abstraction has 5624 states and 7388 transitions. [2019-10-15 00:22:06,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 00:22:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 5624 states and 7388 transitions. [2019-10-15 00:22:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-10-15 00:22:06,451 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:22:06,451 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, 1, 1, 1, 1] [2019-10-15 00:22:06,452 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:22:06,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:22:06,452 INFO L82 PathProgramCache]: Analyzing trace with hash -491963370, now seen corresponding path program 1 times [2019-10-15 00:22:06,452 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:22:06,453 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716814079] [2019-10-15 00:22:06,453 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:06,453 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:06,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:22:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:22:07,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2019-10-15 00:22:07,081 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716814079] [2019-10-15 00:22:07,082 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:22:07,082 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:22:07,082 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127172693] [2019-10-15 00:22:07,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:22:07,083 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:22:07,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:22:07,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:07,086 INFO L87 Difference]: Start difference. First operand 5624 states and 7388 transitions. Second operand 3 states. [2019-10-15 00:22:07,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:22:07,249 INFO L93 Difference]: Finished difference Result 5626 states and 7389 transitions. [2019-10-15 00:22:07,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:22:07,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-10-15 00:22:07,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:22:07,287 INFO L225 Difference]: With dead ends: 5626 [2019-10-15 00:22:07,287 INFO L226 Difference]: Without dead ends: 5623 [2019-10-15 00:22:07,292 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:07,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5623 states. [2019-10-15 00:22:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5623 to 5623. [2019-10-15 00:22:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5623 states. [2019-10-15 00:22:07,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5623 states to 5623 states and 7386 transitions. [2019-10-15 00:22:07,571 INFO L78 Accepts]: Start accepts. Automaton has 5623 states and 7386 transitions. Word has length 208 [2019-10-15 00:22:07,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:22:07,572 INFO L462 AbstractCegarLoop]: Abstraction has 5623 states and 7386 transitions. [2019-10-15 00:22:07,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:22:07,572 INFO L276 IsEmpty]: Start isEmpty. Operand 5623 states and 7386 transitions. [2019-10-15 00:22:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-10-15 00:22:07,578 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:22:07,578 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, 1, 1, 1, 1, 1] [2019-10-15 00:22:07,579 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:22:07,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:22:07,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1928258296, now seen corresponding path program 1 times [2019-10-15 00:22:07,579 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:22:07,580 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850739245] [2019-10-15 00:22:07,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:07,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:07,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:22:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:22:07,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2019-10-15 00:22:07,998 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850739245] [2019-10-15 00:22:07,998 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:22:07,999 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:22:07,999 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852217218] [2019-10-15 00:22:08,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:22:08,000 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:22:08,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:22:08,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:08,000 INFO L87 Difference]: Start difference. First operand 5623 states and 7386 transitions. Second operand 3 states. [2019-10-15 00:22:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:22:08,168 INFO L93 Difference]: Finished difference Result 5625 states and 7387 transitions. [2019-10-15 00:22:08,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:22:08,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2019-10-15 00:22:08,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:22:08,207 INFO L225 Difference]: With dead ends: 5625 [2019-10-15 00:22:08,207 INFO L226 Difference]: Without dead ends: 5622 [2019-10-15 00:22:08,212 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:08,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5622 states. [2019-10-15 00:22:08,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5622 to 5622. [2019-10-15 00:22:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5622 states. [2019-10-15 00:22:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5622 states to 5622 states and 7384 transitions. [2019-10-15 00:22:08,541 INFO L78 Accepts]: Start accepts. Automaton has 5622 states and 7384 transitions. Word has length 209 [2019-10-15 00:22:08,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:22:08,550 INFO L462 AbstractCegarLoop]: Abstraction has 5622 states and 7384 transitions. [2019-10-15 00:22:08,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:22:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 5622 states and 7384 transitions. [2019-10-15 00:22:08,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-15 00:22:08,559 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:22:08,560 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, 1, 1, 1, 1, 1, 1] [2019-10-15 00:22:08,560 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:22:08,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:22:08,561 INFO L82 PathProgramCache]: Analyzing trace with hash -354276519, now seen corresponding path program 1 times [2019-10-15 00:22:08,562 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:22:08,562 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454426322] [2019-10-15 00:22:08,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:08,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:08,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:22:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:22:09,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2019-10-15 00:22:09,213 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454426322] [2019-10-15 00:22:09,213 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:22:09,213 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:22:09,213 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550405855] [2019-10-15 00:22:09,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:22:09,214 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:22:09,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:22:09,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:09,215 INFO L87 Difference]: Start difference. First operand 5622 states and 7384 transitions. Second operand 3 states. [2019-10-15 00:22:09,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:22:09,386 INFO L93 Difference]: Finished difference Result 5624 states and 7385 transitions. [2019-10-15 00:22:09,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:22:09,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2019-10-15 00:22:09,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:22:09,432 INFO L225 Difference]: With dead ends: 5624 [2019-10-15 00:22:09,432 INFO L226 Difference]: Without dead ends: 5621 [2019-10-15 00:22:09,436 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:09,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5621 states. [2019-10-15 00:22:09,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5621 to 5621. [2019-10-15 00:22:09,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5621 states. [2019-10-15 00:22:09,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5621 states to 5621 states and 7382 transitions. [2019-10-15 00:22:09,708 INFO L78 Accepts]: Start accepts. Automaton has 5621 states and 7382 transitions. Word has length 210 [2019-10-15 00:22:09,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:22:09,709 INFO L462 AbstractCegarLoop]: Abstraction has 5621 states and 7382 transitions. [2019-10-15 00:22:09,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:22:09,709 INFO L276 IsEmpty]: Start isEmpty. Operand 5621 states and 7382 transitions. [2019-10-15 00:22:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-15 00:22:09,714 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:22:09,714 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:22:09,714 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:22:09,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:22:09,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1901593115, now seen corresponding path program 1 times [2019-10-15 00:22:09,715 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:22:09,715 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834425021] [2019-10-15 00:22:09,715 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:09,715 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:09,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:22:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:22:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2019-10-15 00:22:10,109 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834425021] [2019-10-15 00:22:10,109 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:22:10,110 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:22:10,110 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024846936] [2019-10-15 00:22:10,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:22:10,111 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:22:10,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:22:10,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:10,112 INFO L87 Difference]: Start difference. First operand 5621 states and 7382 transitions. Second operand 3 states. [2019-10-15 00:22:10,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:22:10,990 INFO L93 Difference]: Finished difference Result 5623 states and 7383 transitions. [2019-10-15 00:22:10,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:22:10,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-10-15 00:22:10,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:22:11,018 INFO L225 Difference]: With dead ends: 5623 [2019-10-15 00:22:11,018 INFO L226 Difference]: Without dead ends: 5601 [2019-10-15 00:22:11,022 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:11,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5601 states. [2019-10-15 00:22:11,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5601 to 5601. [2019-10-15 00:22:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5601 states. [2019-10-15 00:22:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5601 states to 5601 states and 7358 transitions. [2019-10-15 00:22:11,380 INFO L78 Accepts]: Start accepts. Automaton has 5601 states and 7358 transitions. Word has length 211 [2019-10-15 00:22:11,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:22:11,381 INFO L462 AbstractCegarLoop]: Abstraction has 5601 states and 7358 transitions. [2019-10-15 00:22:11,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:22:11,381 INFO L276 IsEmpty]: Start isEmpty. Operand 5601 states and 7358 transitions. [2019-10-15 00:22:11,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2019-10-15 00:22:11,411 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:22:11,411 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:22:11,412 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:22:11,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:22:11,412 INFO L82 PathProgramCache]: Analyzing trace with hash 162889352, now seen corresponding path program 1 times [2019-10-15 00:22:11,413 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:22:11,413 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233686449] [2019-10-15 00:22:11,414 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:11,414 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:11,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:22:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:22:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2019-10-15 00:22:11,883 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233686449] [2019-10-15 00:22:11,883 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:22:11,884 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:22:11,884 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111913433] [2019-10-15 00:22:11,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:22:11,886 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:22:11,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:22:11,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:11,887 INFO L87 Difference]: Start difference. First operand 5601 states and 7358 transitions. Second operand 3 states. [2019-10-15 00:22:12,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:22:12,684 INFO L93 Difference]: Finished difference Result 13227 states and 17446 transitions. [2019-10-15 00:22:12,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:22:12,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 381 [2019-10-15 00:22:12,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:22:12,736 INFO L225 Difference]: With dead ends: 13227 [2019-10-15 00:22:12,736 INFO L226 Difference]: Without dead ends: 7685 [2019-10-15 00:22:12,764 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:12,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7685 states. [2019-10-15 00:22:13,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7685 to 7643. [2019-10-15 00:22:13,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7643 states. [2019-10-15 00:22:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7643 states to 7643 states and 10118 transitions. [2019-10-15 00:22:13,282 INFO L78 Accepts]: Start accepts. Automaton has 7643 states and 10118 transitions. Word has length 381 [2019-10-15 00:22:13,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:22:13,283 INFO L462 AbstractCegarLoop]: Abstraction has 7643 states and 10118 transitions. [2019-10-15 00:22:13,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:22:13,283 INFO L276 IsEmpty]: Start isEmpty. Operand 7643 states and 10118 transitions. [2019-10-15 00:22:13,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2019-10-15 00:22:13,331 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:22:13,332 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, 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] [2019-10-15 00:22:13,332 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:22:13,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:22:13,333 INFO L82 PathProgramCache]: Analyzing trace with hash 717905472, now seen corresponding path program 1 times [2019-10-15 00:22:13,333 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:22:13,333 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187251893] [2019-10-15 00:22:13,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:13,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:22:13,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:22:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:22:13,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1376 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2019-10-15 00:22:13,834 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187251893] [2019-10-15 00:22:13,834 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:22:13,834 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:22:13,835 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074644119] [2019-10-15 00:22:13,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:22:13,836 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:22:13,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:22:13,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:22:13,837 INFO L87 Difference]: Start difference. First operand 7643 states and 10118 transitions. Second operand 3 states.