java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:56:54,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:56:54,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:56:54,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:56:54,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:56:54,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:56:54,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:56:54,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:56:54,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:56:54,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:56:54,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:56:54,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:56:54,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:56:54,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:56:54,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:56:54,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:56:54,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:56:54,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:56:54,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:56:54,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:56:54,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:56:54,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:56:54,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:56:54,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:56:54,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:56:54,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:56:54,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:56:55,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:56:55,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:56:55,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:56:55,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:56:55,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:56:55,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:56:55,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:56:55,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:56:55,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:56:55,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:56:55,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:56:55,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:56:55,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:56:55,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:56:55,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:56:55,023 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:56:55,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:56:55,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:56:55,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:56:55,024 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:56:55,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:56:55,025 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:56:55,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:56:55,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:56:55,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:56:55,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:56:55,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:56:55,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:56:55,026 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:56:55,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:56:55,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:56:55,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:56:55,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:56:55,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:56:55,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:56:55,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:56:55,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:56:55,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:56:55,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:56:55,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:56:55,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:56:55,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:56:55,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:56:55,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:56:55,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:56:55,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:56:55,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:56:55,357 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:56:55,357 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:56:55,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-13 20:56:55,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f80267e/1d44d43ae7bd4a9794be1206afdbaaf3/FLAGdf149b53b [2019-10-13 20:56:56,167 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:56:56,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-13 20:56:56,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f80267e/1d44d43ae7bd4a9794be1206afdbaaf3/FLAGdf149b53b [2019-10-13 20:56:56,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f80267e/1d44d43ae7bd4a9794be1206afdbaaf3 [2019-10-13 20:56:56,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:56:56,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:56:56,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:56:56,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:56:56,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:56:56,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:56:56" (1/1) ... [2019-10-13 20:56:56,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d517dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:56, skipping insertion in model container [2019-10-13 20:56:56,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:56:56" (1/1) ... [2019-10-13 20:56:56,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:56:56,867 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:56:58,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:56:58,931 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:56:59,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:56:59,604 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:56:59,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:59 WrapperNode [2019-10-13 20:56:59,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:56:59,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:56:59,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:56:59,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:56:59,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:59" (1/1) ... [2019-10-13 20:56:59,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:59" (1/1) ... [2019-10-13 20:56:59,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:59" (1/1) ... [2019-10-13 20:56:59,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:59" (1/1) ... [2019-10-13 20:56:59,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:59" (1/1) ... [2019-10-13 20:56:59,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:59" (1/1) ... [2019-10-13 20:56:59,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:59" (1/1) ... [2019-10-13 20:56:59,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:56:59,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:56:59,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:56:59,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:56:59,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:57:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:57:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:57:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 20:57:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-10-13 20:57:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:57:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:57:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:57:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 20:57:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:57:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-10-13 20:57:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2019-10-13 20:57:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2019-10-13 20:57:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-13 20:57:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:57:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 20:57:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-13 20:57:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2019-10-13 20:57:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:57:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:57:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 20:57:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 20:57:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:57:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:57:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:57:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:57:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:57:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-13 20:57:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:57:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:57:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-10-13 20:57:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-13 20:57:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2019-10-13 20:57:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-10-13 20:57:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2019-10-13 20:57:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_lock_nointr [2019-10-13 20:57:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sector [2019-10-13 20:57:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_format [2019-10-13 20:57:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_copies [2019-10-13 20:57:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_format_to_md_layout [2019-10-13 20:57:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure get_raid_type [2019-10-13 20:57:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure context_alloc [2019-10-13 20:57:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure context_free [2019-10-13 20:57:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_parms [2019-10-13 20:57:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_region_size [2019-10-13 20:57:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_raid_redundancy [2019-10-13 20:57:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_raid_params [2019-10-13 20:57:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure do_table_event [2019-10-13 20:57:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_is_congested [2019-10-13 20:57:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure read_disk_sb [2019-10-13 20:57:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure super_sync [2019-10-13 20:57:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure super_load [2019-10-13 20:57:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure super_init_validation [2019-10-13 20:57:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure super_validate [2019-10-13 20:57:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure analyse_superblocks [2019-10-13 20:57:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_discard_support [2019-10-13 20:57:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_ctr [2019-10-13 20:57:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_dtr [2019-10-13 20:57:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_map [2019-10-13 20:57:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure decipher_sync_action [2019-10-13 20:57:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_status [2019-10-13 20:57:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_message [2019-10-13 20:57:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_iterate_devices [2019-10-13 20:57:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_io_hints [2019-10-13 20:57:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_presuspend [2019-10-13 20:57:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_postsuspend [2019-10-13 20:57:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure attempt_restore_of_faulty_devices [2019-10-13 20:57:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_resume [2019-10-13 20:57:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_merge [2019-10-13 20:57:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_init [2019-10-13 20:57:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_exit [2019-10-13 20:57:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-13 20:57:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-13 20:57:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-13 20:57:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2019-10-13 20:57:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-13 20:57:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-13 20:57:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-13 20:57:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:57:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 20:57:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 20:57:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 20:57:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-13 20:57:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-13 20:57:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-13 20:57:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-13 20:57:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-13 20:57:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-13 20:57:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 20:57:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-13 20:57:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2019-10-13 20:57:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-13 20:57:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-13 20:57:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-13 20:57:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2019-10-13 20:57:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-10-13 20:57:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_20 [2019-10-13 20:57:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:57:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 20:57:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:57:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:57:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:57:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:57:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:57:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:57:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:57:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:57:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:57:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:57:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:57:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:57:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:57:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:57:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:57:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:57:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:57:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:57:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:57:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:57:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 20:57:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 20:57:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:57:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 20:57:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:57:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:57:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:57:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:57:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:57:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:57:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:57:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:57:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:57:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:57:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:57:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2019-10-13 20:57:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2019-10-13 20:57:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2019-10-13 20:57:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2019-10-13 20:57:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2019-10-13 20:57:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2019-10-13 20:57:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2019-10-13 20:57:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2019-10-13 20:57:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2019-10-13 20:57:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2019-10-13 20:57:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2019-10-13 20:57:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:57:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 20:57:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:57:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:57:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 20:57:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-13 20:57:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_load [2019-10-13 20:57:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2019-10-13 20:57:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2019-10-13 20:57:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2019-10-13 20:57:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2019-10-13 20:57:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2019-10-13 20:57:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_set_target_max_io_len [2019-10-13 20:57:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_add_target_callbacks [2019-10-13 20:57:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2019-10-13 20:57:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2019-10-13 20:57:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2019-10-13 20:57:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 20:57:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-13 20:57:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:57:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_preresume_2 [2019-10-13 20:57:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 20:57:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:57:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure md_error [2019-10-13 20:57:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_clear [2019-10-13 20:57:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_init [2019-10-13 20:57:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure md_reap_sync_thread [2019-10-13 20:57:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure md_run [2019-10-13 20:57:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop [2019-10-13 20:57:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop_writes [2019-10-13 20:57:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2019-10-13 20:57:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_congested [2019-10-13 20:57:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_init [2019-10-13 20:57:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_resume [2019-10-13 20:57:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_suspend [2019-10-13 20:57:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_unlock [2019-10-13 20:57:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:57:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 20:57:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:57:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:57:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:57:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2019-10-13 20:57:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-13 20:57:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 20:57:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_set_cache_size [2019-10-13 20:57:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-10-13 20:57:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2019-10-13 20:57:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_page_io [2019-10-13 20:57:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:57:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:57:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:57:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:57:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:57:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:57:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:57:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 20:57:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:57:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:57:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-10-13 20:57:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2019-10-13 20:57:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2019-10-13 20:57:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:57:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-13 20:57:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-13 20:57:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-10-13 20:57:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:57:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:57:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:57:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:57:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:57:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:57:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 20:57:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:57:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 20:57:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 20:57:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-13 20:57:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:57:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-13 20:57:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2019-10-13 20:57:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 20:57:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 20:57:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 20:57:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2019-10-13 20:57:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:57:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:57:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2019-10-13 20:57:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_20 [2019-10-13 20:57:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:57:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 20:57:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-13 20:57:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-13 20:57:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:57:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:57:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:57:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:57:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:57:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:57:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:57:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:57:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:57:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:57:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 20:57:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 20:57:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:57:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:57:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:57:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:57:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:57:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 20:57:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2019-10-13 20:57:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:57:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-13 20:57:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-13 20:57:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-13 20:57:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-10-13 20:57:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:57:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:57:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:57:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:57:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:57:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:57:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2019-10-13 20:57:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2019-10-13 20:57:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2019-10-13 20:57:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 20:57:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 20:57:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-13 20:57:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-13 20:57:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-13 20:57:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-13 20:57:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-13 20:57:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 20:57:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-13 20:57:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-13 20:57:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-13 20:57:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:57:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:57:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:57:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:57:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-13 20:57:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-13 20:57:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-13 20:57:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2019-10-13 20:57:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-13 20:57:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-13 20:57:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-13 20:57:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-10-13 20:57:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2019-10-13 20:57:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-13 20:57:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2019-10-13 20:57:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2019-10-13 20:57:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2019-10-13 20:57:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-10-13 20:57:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2019-10-13 20:57:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_lock_nointr [2019-10-13 20:57:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_unlock [2019-10-13 20:57:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2019-10-13 20:57:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure md_reap_sync_thread [2019-10-13 20:57:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure md_error [2019-10-13 20:57:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_congested [2019-10-13 20:57:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure sync_page_io [2019-10-13 20:57:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_init [2019-10-13 20:57:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure md_run [2019-10-13 20:57:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop [2019-10-13 20:57:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop_writes [2019-10-13 20:57:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_init [2019-10-13 20:57:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_clear [2019-10-13 20:57:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_suspend [2019-10-13 20:57:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_resume [2019-10-13 20:57:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_set_cache_size [2019-10-13 20:57:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_load [2019-10-13 20:57:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2019-10-13 20:57:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2019-10-13 20:57:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2019-10-13 20:57:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2019-10-13 20:57:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_add_target_callbacks [2019-10-13 20:57:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure dm_set_target_max_io_len [2019-10-13 20:57:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2019-10-13 20:57:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2019-10-13 20:57:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure to_sector [2019-10-13 20:57:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:57:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_format [2019-10-13 20:57:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_copies [2019-10-13 20:57:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_format_to_md_layout [2019-10-13 20:57:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure get_raid_type [2019-10-13 20:57:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure context_alloc [2019-10-13 20:57:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:57:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure context_free [2019-10-13 20:57:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure dev_parms [2019-10-13 20:57:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure validate_region_size [2019-10-13 20:57:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure validate_raid_redundancy [2019-10-13 20:57:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure parse_raid_params [2019-10-13 20:57:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:57:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure do_table_event [2019-10-13 20:57:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure raid_is_congested [2019-10-13 20:57:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure read_disk_sb [2019-10-13 20:57:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure super_sync [2019-10-13 20:57:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure super_load [2019-10-13 20:57:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure super_init_validation [2019-10-13 20:57:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure super_validate [2019-10-13 20:57:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure analyse_superblocks [2019-10-13 20:57:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure configure_discard_support [2019-10-13 20:57:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure raid_ctr [2019-10-13 20:57:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure raid_dtr [2019-10-13 20:57:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure raid_map [2019-10-13 20:57:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 20:57:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure decipher_sync_action [2019-10-13 20:57:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure raid_status [2019-10-13 20:57:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure raid_message [2019-10-13 20:57:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure raid_iterate_devices [2019-10-13 20:57:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-10-13 20:57:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure raid_io_hints [2019-10-13 20:57:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure raid_presuspend [2019-10-13 20:57:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure raid_postsuspend [2019-10-13 20:57:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure attempt_restore_of_faulty_devices [2019-10-13 20:57:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:57:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure raid_resume [2019-10-13 20:57:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure raid_merge [2019-10-13 20:57:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:57:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_init [2019-10-13 20:57:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_exit [2019-10-13 20:57:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_preresume_2 [2019-10-13 20:57:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:57:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:57:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:57:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:57:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 20:57:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:57:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:57:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:57:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:57:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:57:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:57:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:57:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:57:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:57:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:57:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:57:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:57:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:57:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:57:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 20:57:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 20:57:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:57:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 20:57:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:57:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:57:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:57:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:57:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:57:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:57:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:57:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:57:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2019-10-13 20:57:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2019-10-13 20:57:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2019-10-13 20:57:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2019-10-13 20:57:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2019-10-13 20:57:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2019-10-13 20:57:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2019-10-13 20:57:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2019-10-13 20:57:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:57:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:57:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:57:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:57:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:57:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:57:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:57:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:57:01,121 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:57:10,163 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:57:10,163 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:57:10,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:57:10 BoogieIcfgContainer [2019-10-13 20:57:10,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:57:10,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:57:10,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:57:10,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:57:10,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:56:56" (1/3) ... [2019-10-13 20:57:10,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6491c243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:57:10, skipping insertion in model container [2019-10-13 20:57:10,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:59" (2/3) ... [2019-10-13 20:57:10,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6491c243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:57:10, skipping insertion in model container [2019-10-13 20:57:10,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:57:10" (3/3) ... [2019-10-13 20:57:10,174 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-13 20:57:10,183 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:57:10,194 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:57:10,205 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:57:10,236 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:57:10,236 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:57:10,236 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:57:10,236 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:57:10,236 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:57:10,237 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:57:10,237 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:57:10,237 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:57:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states. [2019-10-13 20:57:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-13 20:57:10,295 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:10,297 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:10,299 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:10,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:10,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1913972526, now seen corresponding path program 1 times [2019-10-13 20:57:10,311 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:10,311 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090727765] [2019-10-13 20:57:10,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:10,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:10,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-10-13 20:57:11,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090727765] [2019-10-13 20:57:11,273 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:11,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:11,274 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221457071] [2019-10-13 20:57:11,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:11,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:11,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:11,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:11,297 INFO L87 Difference]: Start difference. First operand 1658 states. Second operand 3 states. [2019-10-13 20:57:14,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:14,188 INFO L93 Difference]: Finished difference Result 4043 states and 5668 transitions. [2019-10-13 20:57:14,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:14,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-13 20:57:14,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:14,223 INFO L225 Difference]: With dead ends: 4043 [2019-10-13 20:57:14,223 INFO L226 Difference]: Without dead ends: 2675 [2019-10-13 20:57:14,235 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:14,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2675 states. [2019-10-13 20:57:14,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2675 to 2672. [2019-10-13 20:57:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2672 states. [2019-10-13 20:57:14,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3723 transitions. [2019-10-13 20:57:14,497 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3723 transitions. Word has length 189 [2019-10-13 20:57:14,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:14,498 INFO L462 AbstractCegarLoop]: Abstraction has 2672 states and 3723 transitions. [2019-10-13 20:57:14,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3723 transitions. [2019-10-13 20:57:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-13 20:57:14,504 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:14,505 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:14,505 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:14,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:14,506 INFO L82 PathProgramCache]: Analyzing trace with hash 349202107, now seen corresponding path program 1 times [2019-10-13 20:57:14,506 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:14,506 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323538216] [2019-10-13 20:57:14,506 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:14,506 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:14,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-10-13 20:57:14,982 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323538216] [2019-10-13 20:57:14,982 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:14,983 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:14,983 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154508997] [2019-10-13 20:57:14,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:14,986 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:14,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:14,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:14,987 INFO L87 Difference]: Start difference. First operand 2672 states and 3723 transitions. Second operand 3 states. [2019-10-13 20:57:15,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:15,073 INFO L93 Difference]: Finished difference Result 2674 states and 3724 transitions. [2019-10-13 20:57:15,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:15,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-13 20:57:15,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:15,107 INFO L225 Difference]: With dead ends: 2674 [2019-10-13 20:57:15,107 INFO L226 Difference]: Without dead ends: 2671 [2019-10-13 20:57:15,114 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:15,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2019-10-13 20:57:15,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 2671. [2019-10-13 20:57:15,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2671 states. [2019-10-13 20:57:15,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 3721 transitions. [2019-10-13 20:57:15,273 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 3721 transitions. Word has length 194 [2019-10-13 20:57:15,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:15,278 INFO L462 AbstractCegarLoop]: Abstraction has 2671 states and 3721 transitions. [2019-10-13 20:57:15,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:15,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3721 transitions. [2019-10-13 20:57:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-13 20:57:15,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:15,291 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:15,291 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:15,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:15,297 INFO L82 PathProgramCache]: Analyzing trace with hash -2060217179, now seen corresponding path program 1 times [2019-10-13 20:57:15,297 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:15,298 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037420608] [2019-10-13 20:57:15,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:15,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:15,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-10-13 20:57:15,757 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037420608] [2019-10-13 20:57:15,757 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:15,758 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:15,758 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406806422] [2019-10-13 20:57:15,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:15,759 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:15,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:15,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:15,760 INFO L87 Difference]: Start difference. First operand 2671 states and 3721 transitions. Second operand 3 states. [2019-10-13 20:57:15,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:15,850 INFO L93 Difference]: Finished difference Result 2673 states and 3722 transitions. [2019-10-13 20:57:15,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:15,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2019-10-13 20:57:15,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:15,873 INFO L225 Difference]: With dead ends: 2673 [2019-10-13 20:57:15,873 INFO L226 Difference]: Without dead ends: 2670 [2019-10-13 20:57:15,875 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:15,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2019-10-13 20:57:15,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2670. [2019-10-13 20:57:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2670 states. [2019-10-13 20:57:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 3719 transitions. [2019-10-13 20:57:16,014 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 3719 transitions. Word has length 195 [2019-10-13 20:57:16,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:16,016 INFO L462 AbstractCegarLoop]: Abstraction has 2670 states and 3719 transitions. [2019-10-13 20:57:16,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3719 transitions. [2019-10-13 20:57:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-13 20:57:16,022 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:16,022 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:16,022 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:16,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:16,023 INFO L82 PathProgramCache]: Analyzing trace with hash 557201150, now seen corresponding path program 1 times [2019-10-13 20:57:16,023 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:16,023 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599825879] [2019-10-13 20:57:16,024 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:16,024 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:16,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-10-13 20:57:16,610 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599825879] [2019-10-13 20:57:16,610 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:16,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:16,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798045149] [2019-10-13 20:57:16,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:16,612 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:16,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:16,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:16,613 INFO L87 Difference]: Start difference. First operand 2670 states and 3719 transitions. Second operand 3 states. [2019-10-13 20:57:16,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:16,717 INFO L93 Difference]: Finished difference Result 2672 states and 3720 transitions. [2019-10-13 20:57:16,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:16,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2019-10-13 20:57:16,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:16,736 INFO L225 Difference]: With dead ends: 2672 [2019-10-13 20:57:16,737 INFO L226 Difference]: Without dead ends: 2669 [2019-10-13 20:57:16,745 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:16,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2669 states. [2019-10-13 20:57:16,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2669 to 2669. [2019-10-13 20:57:16,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2669 states. [2019-10-13 20:57:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 3717 transitions. [2019-10-13 20:57:16,876 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 3717 transitions. Word has length 196 [2019-10-13 20:57:16,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:16,876 INFO L462 AbstractCegarLoop]: Abstraction has 2669 states and 3717 transitions. [2019-10-13 20:57:16,876 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 3717 transitions. [2019-10-13 20:57:16,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-10-13 20:57:16,880 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:16,880 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:16,880 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:16,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:16,881 INFO L82 PathProgramCache]: Analyzing trace with hash 92795592, now seen corresponding path program 1 times [2019-10-13 20:57:16,881 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:16,882 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047603856] [2019-10-13 20:57:16,882 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:16,882 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:16,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-10-13 20:57:17,298 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047603856] [2019-10-13 20:57:17,298 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:17,298 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:17,299 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161981089] [2019-10-13 20:57:17,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:17,299 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:17,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:17,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:17,300 INFO L87 Difference]: Start difference. First operand 2669 states and 3717 transitions. Second operand 3 states. [2019-10-13 20:57:17,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:17,504 INFO L93 Difference]: Finished difference Result 5229 states and 7310 transitions. [2019-10-13 20:57:17,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:17,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2019-10-13 20:57:17,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:17,537 INFO L225 Difference]: With dead ends: 5229 [2019-10-13 20:57:17,537 INFO L226 Difference]: Without dead ends: 5212 [2019-10-13 20:57:17,542 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:17,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2019-10-13 20:57:17,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 5212. [2019-10-13 20:57:17,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5212 states. [2019-10-13 20:57:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 7289 transitions. [2019-10-13 20:57:17,769 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 7289 transitions. Word has length 197 [2019-10-13 20:57:17,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:17,771 INFO L462 AbstractCegarLoop]: Abstraction has 5212 states and 7289 transitions. [2019-10-13 20:57:17,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:17,772 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 7289 transitions. [2019-10-13 20:57:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2019-10-13 20:57:17,793 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:17,793 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 20:57:17,793 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:17,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:17,794 INFO L82 PathProgramCache]: Analyzing trace with hash -21004350, now seen corresponding path program 1 times [2019-10-13 20:57:17,794 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:17,794 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366714224] [2019-10-13 20:57:17,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:17,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:17,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2019-10-13 20:57:18,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366714224] [2019-10-13 20:57:18,981 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:18,981 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:18,981 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035182757] [2019-10-13 20:57:18,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:18,982 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:18,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:18,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:18,983 INFO L87 Difference]: Start difference. First operand 5212 states and 7289 transitions. Second operand 3 states. [2019-10-13 20:57:19,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:19,764 INFO L93 Difference]: Finished difference Result 10607 states and 14824 transitions. [2019-10-13 20:57:19,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:19,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2019-10-13 20:57:19,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:19,797 INFO L225 Difference]: With dead ends: 10607 [2019-10-13 20:57:19,797 INFO L226 Difference]: Without dead ends: 5444 [2019-10-13 20:57:19,821 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:19,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5444 states. [2019-10-13 20:57:20,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5444 to 5428. [2019-10-13 20:57:20,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5428 states. [2019-10-13 20:57:20,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5428 states to 5428 states and 7580 transitions. [2019-10-13 20:57:20,070 INFO L78 Accepts]: Start accepts. Automaton has 5428 states and 7580 transitions. Word has length 370 [2019-10-13 20:57:20,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:20,071 INFO L462 AbstractCegarLoop]: Abstraction has 5428 states and 7580 transitions. [2019-10-13 20:57:20,071 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:20,072 INFO L276 IsEmpty]: Start isEmpty. Operand 5428 states and 7580 transitions. [2019-10-13 20:57:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-10-13 20:57:20,114 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:20,114 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 20:57:20,115 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:20,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1292983767, now seen corresponding path program 1 times [2019-10-13 20:57:20,115 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:20,116 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748507287] [2019-10-13 20:57:20,116 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:20,116 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:20,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-13 20:57:20,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748507287] [2019-10-13 20:57:20,795 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:20,795 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:20,796 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580995612] [2019-10-13 20:57:20,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:20,797 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:20,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:20,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:20,798 INFO L87 Difference]: Start difference. First operand 5428 states and 7580 transitions. Second operand 3 states. [2019-10-13 20:57:21,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:21,024 INFO L93 Difference]: Finished difference Result 10799 states and 15099 transitions. [2019-10-13 20:57:21,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:21,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 398 [2019-10-13 20:57:21,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:21,067 INFO L225 Difference]: With dead ends: 10799 [2019-10-13 20:57:21,067 INFO L226 Difference]: Without dead ends: 5432 [2019-10-13 20:57:21,088 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:21,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5432 states. [2019-10-13 20:57:21,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5432 to 5432. [2019-10-13 20:57:21,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5432 states. [2019-10-13 20:57:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5432 states to 5432 states and 7584 transitions. [2019-10-13 20:57:21,336 INFO L78 Accepts]: Start accepts. Automaton has 5432 states and 7584 transitions. Word has length 398 [2019-10-13 20:57:21,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:21,339 INFO L462 AbstractCegarLoop]: Abstraction has 5432 states and 7584 transitions. [2019-10-13 20:57:21,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:21,339 INFO L276 IsEmpty]: Start isEmpty. Operand 5432 states and 7584 transitions. [2019-10-13 20:57:21,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-10-13 20:57:21,365 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:21,365 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 20:57:21,365 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:21,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:21,366 INFO L82 PathProgramCache]: Analyzing trace with hash -476487847, now seen corresponding path program 1 times [2019-10-13 20:57:21,366 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:21,367 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856205186] [2019-10-13 20:57:21,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:21,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:21,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:21,825 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-13 20:57:21,825 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856205186] [2019-10-13 20:57:21,825 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:21,826 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:21,826 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742327741] [2019-10-13 20:57:21,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:21,827 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:21,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:21,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:21,827 INFO L87 Difference]: Start difference. First operand 5432 states and 7584 transitions. Second operand 3 states. [2019-10-13 20:57:22,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:22,042 INFO L93 Difference]: Finished difference Result 10943 states and 15323 transitions. [2019-10-13 20:57:22,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:22,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 398 [2019-10-13 20:57:22,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:22,069 INFO L225 Difference]: With dead ends: 10943 [2019-10-13 20:57:22,069 INFO L226 Difference]: Without dead ends: 5572 [2019-10-13 20:57:22,090 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:22,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5572 states. [2019-10-13 20:57:22,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5572 to 5560. [2019-10-13 20:57:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5560 states. [2019-10-13 20:57:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5560 states to 5560 states and 7788 transitions. [2019-10-13 20:57:22,392 INFO L78 Accepts]: Start accepts. Automaton has 5560 states and 7788 transitions. Word has length 398 [2019-10-13 20:57:22,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:22,393 INFO L462 AbstractCegarLoop]: Abstraction has 5560 states and 7788 transitions. [2019-10-13 20:57:22,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:22,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5560 states and 7788 transitions. [2019-10-13 20:57:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2019-10-13 20:57:22,414 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:22,415 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 20:57:22,415 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:22,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:22,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1438638363, now seen corresponding path program 1 times [2019-10-13 20:57:22,416 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:22,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912161801] [2019-10-13 20:57:22,416 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:22,416 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:22,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-13 20:57:22,848 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912161801] [2019-10-13 20:57:22,848 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:22,849 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 20:57:22,849 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983830162] [2019-10-13 20:57:22,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 20:57:22,850 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:22,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 20:57:22,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:57:22,851 INFO L87 Difference]: Start difference. First operand 5560 states and 7788 transitions. Second operand 4 states. [2019-10-13 20:57:23,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:23,069 INFO L93 Difference]: Finished difference Result 11339 states and 15959 transitions. [2019-10-13 20:57:23,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:57:23,069 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 399 [2019-10-13 20:57:23,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:23,094 INFO L225 Difference]: With dead ends: 11339 [2019-10-13 20:57:23,094 INFO L226 Difference]: Without dead ends: 5840 [2019-10-13 20:57:23,115 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 [2019-10-13 20:57:23,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5840 states. [2019-10-13 20:57:23,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5840 to 5824. [2019-10-13 20:57:23,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5824 states. [2019-10-13 20:57:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5824 states to 5824 states and 8208 transitions. [2019-10-13 20:57:23,346 INFO L78 Accepts]: Start accepts. Automaton has 5824 states and 8208 transitions. Word has length 399 [2019-10-13 20:57:23,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:23,346 INFO L462 AbstractCegarLoop]: Abstraction has 5824 states and 8208 transitions. [2019-10-13 20:57:23,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 20:57:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 5824 states and 8208 transitions. [2019-10-13 20:57:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2019-10-13 20:57:23,373 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:23,374 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 20:57:23,374 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:23,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:23,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1868063214, now seen corresponding path program 1 times [2019-10-13 20:57:23,375 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:23,375 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171587602] [2019-10-13 20:57:23,375 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:23,375 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:23,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:23,991 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-13 20:57:23,992 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171587602] [2019-10-13 20:57:23,992 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:23,992 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 20:57:23,993 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143827511] [2019-10-13 20:57:23,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 20:57:23,994 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:23,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 20:57:23,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:57:23,994 INFO L87 Difference]: Start difference. First operand 5824 states and 8208 transitions. Second operand 4 states. [2019-10-13 20:57:24,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:24,169 INFO L93 Difference]: Finished difference Result 8824 states and 12428 transitions. [2019-10-13 20:57:24,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:57:24,170 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 400 [2019-10-13 20:57:24,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:24,217 INFO L225 Difference]: With dead ends: 8824 [2019-10-13 20:57:24,217 INFO L226 Difference]: Without dead ends: 5840 [2019-10-13 20:57:24,236 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 [2019-10-13 20:57:24,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5840 states. [2019-10-13 20:57:24,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5840 to 5832. [2019-10-13 20:57:24,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5832 states. [2019-10-13 20:57:24,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5832 states to 5832 states and 8216 transitions. [2019-10-13 20:57:24,433 INFO L78 Accepts]: Start accepts. Automaton has 5832 states and 8216 transitions. Word has length 400 [2019-10-13 20:57:24,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:24,434 INFO L462 AbstractCegarLoop]: Abstraction has 5832 states and 8216 transitions. [2019-10-13 20:57:24,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 20:57:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5832 states and 8216 transitions. [2019-10-13 20:57:24,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2019-10-13 20:57:24,455 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:24,456 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 20:57:24,456 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:24,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:24,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1944964012, now seen corresponding path program 1 times [2019-10-13 20:57:24,457 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:24,457 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999943267] [2019-10-13 20:57:24,457 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:24,457 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:24,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-13 20:57:25,209 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999943267] [2019-10-13 20:57:25,209 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:25,209 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:57:25,209 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674393744] [2019-10-13 20:57:25,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:57:25,210 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:25,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:57:25,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:57:25,211 INFO L87 Difference]: Start difference. First operand 5832 states and 8216 transitions. Second operand 5 states. [2019-10-13 20:57:25,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:25,438 INFO L93 Difference]: Finished difference Result 11635 states and 16405 transitions. [2019-10-13 20:57:25,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:57:25,439 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 400 [2019-10-13 20:57:25,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:25,464 INFO L225 Difference]: With dead ends: 11635 [2019-10-13 20:57:25,464 INFO L226 Difference]: Without dead ends: 5864 [2019-10-13 20:57:25,485 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:57:25,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5864 states. [2019-10-13 20:57:25,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5864 to 5848. [2019-10-13 20:57:25,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5848 states. [2019-10-13 20:57:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5848 states to 5848 states and 8232 transitions. [2019-10-13 20:57:25,816 INFO L78 Accepts]: Start accepts. Automaton has 5848 states and 8232 transitions. Word has length 400 [2019-10-13 20:57:25,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:25,816 INFO L462 AbstractCegarLoop]: Abstraction has 5848 states and 8232 transitions. [2019-10-13 20:57:25,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:57:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 5848 states and 8232 transitions. [2019-10-13 20:57:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-10-13 20:57:25,838 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:25,839 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:25,840 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:25,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:25,840 INFO L82 PathProgramCache]: Analyzing trace with hash -223317360, now seen corresponding path program 1 times [2019-10-13 20:57:25,840 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:25,841 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380844242] [2019-10-13 20:57:25,841 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:25,841 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:25,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-13 20:57:26,267 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380844242] [2019-10-13 20:57:26,267 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:26,267 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:26,268 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102137546] [2019-10-13 20:57:26,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:26,269 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:26,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:26,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:26,269 INFO L87 Difference]: Start difference. First operand 5848 states and 8232 transitions. Second operand 3 states. [2019-10-13 20:57:26,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:26,416 INFO L93 Difference]: Finished difference Result 11639 states and 16407 transitions. [2019-10-13 20:57:26,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:26,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 427 [2019-10-13 20:57:26,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:26,438 INFO L225 Difference]: With dead ends: 11639 [2019-10-13 20:57:26,438 INFO L226 Difference]: Without dead ends: 5852 [2019-10-13 20:57:26,451 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:26,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5852 states. [2019-10-13 20:57:26,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5852 to 5852. [2019-10-13 20:57:26,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5852 states. [2019-10-13 20:57:26,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 5852 states and 8236 transitions. [2019-10-13 20:57:26,639 INFO L78 Accepts]: Start accepts. Automaton has 5852 states and 8236 transitions. Word has length 427 [2019-10-13 20:57:26,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:26,640 INFO L462 AbstractCegarLoop]: Abstraction has 5852 states and 8236 transitions. [2019-10-13 20:57:26,640 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:26,640 INFO L276 IsEmpty]: Start isEmpty. Operand 5852 states and 8236 transitions. [2019-10-13 20:57:26,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-10-13 20:57:26,663 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:26,664 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:26,664 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:26,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:26,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1945320046, now seen corresponding path program 1 times [2019-10-13 20:57:26,665 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:26,665 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853190762] [2019-10-13 20:57:26,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:26,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:26,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-13 20:57:27,299 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853190762] [2019-10-13 20:57:27,299 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:27,300 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:57:27,300 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992384426] [2019-10-13 20:57:27,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:57:27,301 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:27,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:57:27,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:57:27,302 INFO L87 Difference]: Start difference. First operand 5852 states and 8236 transitions. Second operand 5 states. [2019-10-13 20:57:27,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:27,513 INFO L93 Difference]: Finished difference Result 11667 states and 16439 transitions. [2019-10-13 20:57:27,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:57:27,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 427 [2019-10-13 20:57:27,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:27,538 INFO L225 Difference]: With dead ends: 11667 [2019-10-13 20:57:27,538 INFO L226 Difference]: Without dead ends: 5876 [2019-10-13 20:57:27,631 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:57:27,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5876 states. [2019-10-13 20:57:27,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5876 to 5868. [2019-10-13 20:57:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5868 states. [2019-10-13 20:57:27,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5868 states to 5868 states and 8252 transitions. [2019-10-13 20:57:27,814 INFO L78 Accepts]: Start accepts. Automaton has 5868 states and 8252 transitions. Word has length 427 [2019-10-13 20:57:27,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:27,815 INFO L462 AbstractCegarLoop]: Abstraction has 5868 states and 8252 transitions. [2019-10-13 20:57:27,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:57:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 5868 states and 8252 transitions. [2019-10-13 20:57:27,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2019-10-13 20:57:27,836 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:27,836 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:57:27,836 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:27,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:27,837 INFO L82 PathProgramCache]: Analyzing trace with hash -382111735, now seen corresponding path program 1 times [2019-10-13 20:57:27,837 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:27,837 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027956832] [2019-10-13 20:57:27,837 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:27,838 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:27,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY