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 0.1.24-13a467a-m [2019-10-15 00:55:55,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:55:55,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:55:55,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:55:55,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:55:55,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:55:55,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:55:55,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:55:55,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:55:55,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:55:55,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:55:55,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:55:55,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:55:55,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:55:55,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:55:55,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:55:55,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:55:55,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:55:55,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:55:55,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:55:55,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:55:55,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:55:55,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:55:55,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:55:55,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:55:55,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:55:55,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:55:55,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:55:55,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:55:55,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:55:55,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:55:55,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:55:55,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:55:55,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:55:55,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:55:55,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:55:55,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:55:55,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:55:55,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:55:55,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:55:55,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:55:55,878 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:55:55,892 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:55:55,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:55:55,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:55:55,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:55:55,894 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:55:55,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:55:55,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:55:55,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:55:55,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:55:55,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:55:55,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:55:55,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:55:55,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:55:55,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:55:55,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:55:55,896 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:55:55,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:55:55,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:55:55,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:55:55,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:55:55,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:55:55,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:55:55,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:55:55,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:55:55,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:55:55,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:55:55,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:55:55,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:55:55,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:55:56,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:55:56,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:55:56,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:55:56,192 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:55:56,193 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:55:56,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-15 00:55:56,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e1a8592/3dddde2210ac46cea9092e122e431022/FLAGc4d8640f4 [2019-10-15 00:55:57,094 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:55:57,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-15 00:55:57,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e1a8592/3dddde2210ac46cea9092e122e431022/FLAGc4d8640f4 [2019-10-15 00:55:57,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e1a8592/3dddde2210ac46cea9092e122e431022 [2019-10-15 00:55:57,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:55:57,587 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:55:57,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:55:57,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:55:57,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:55:57,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:55:57" (1/1) ... [2019-10-15 00:55:57,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b1f898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:57, skipping insertion in model container [2019-10-15 00:55:57,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:55:57" (1/1) ... [2019-10-15 00:55:57,604 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:55:57,739 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:55:59,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:55:59,754 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:56:00,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:56:00,416 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:56:00,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:56:00 WrapperNode [2019-10-15 00:56:00,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:56:00,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:56:00,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:56:00,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:56:00,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:56:00" (1/1) ... [2019-10-15 00:56:00,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:56:00" (1/1) ... [2019-10-15 00:56:00,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:56:00" (1/1) ... [2019-10-15 00:56:00,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:56:00" (1/1) ... [2019-10-15 00:56:00,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:56:00" (1/1) ... [2019-10-15 00:56:00,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:56:00" (1/1) ... [2019-10-15 00:56:00,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:56:00" (1/1) ... [2019-10-15 00:56:00,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:56:00,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:56:00,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:56:00,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:56:00,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:56:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:56:00,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:56:00,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:56:00,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 00:56:00,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-10-15 00:56:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:56:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:56:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 00:56:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 00:56:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 00:56:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-10-15 00:56:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2019-10-15 00:56:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2019-10-15 00:56:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-15 00:56:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 00:56:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-15 00:56:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-15 00:56:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2019-10-15 00:56:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:56:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:56:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 00:56:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 00:56:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:56:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:56:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:56:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:56:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:56:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-15 00:56:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:56:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:56:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-10-15 00:56:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-15 00:56:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2019-10-15 00:56:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-10-15 00:56:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2019-10-15 00:56:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_lock_nointr [2019-10-15 00:56:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sector [2019-10-15 00:56:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_format [2019-10-15 00:56:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_copies [2019-10-15 00:56:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_format_to_md_layout [2019-10-15 00:56:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_raid_type [2019-10-15 00:56:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure context_alloc [2019-10-15 00:56:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure context_free [2019-10-15 00:56:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_parms [2019-10-15 00:56:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_region_size [2019-10-15 00:56:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_raid_redundancy [2019-10-15 00:56:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_raid_params [2019-10-15 00:56:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure do_table_event [2019-10-15 00:56:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_is_congested [2019-10-15 00:56:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure read_disk_sb [2019-10-15 00:56:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure super_sync [2019-10-15 00:56:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure super_load [2019-10-15 00:56:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure super_init_validation [2019-10-15 00:56:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure super_validate [2019-10-15 00:56:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure analyse_superblocks [2019-10-15 00:56:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_discard_support [2019-10-15 00:56:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_ctr [2019-10-15 00:56:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_dtr [2019-10-15 00:56:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_map [2019-10-15 00:56:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure decipher_sync_action [2019-10-15 00:56:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_status [2019-10-15 00:56:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_message [2019-10-15 00:56:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_iterate_devices [2019-10-15 00:56:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_io_hints [2019-10-15 00:56:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_presuspend [2019-10-15 00:56:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_postsuspend [2019-10-15 00:56:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure attempt_restore_of_faulty_devices [2019-10-15 00:56:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_resume [2019-10-15 00:56:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_merge [2019-10-15 00:56:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_init [2019-10-15 00:56:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_exit [2019-10-15 00:56:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-15 00:56:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-15 00:56:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-15 00:56:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2019-10-15 00:56:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-15 00:56:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-15 00:56:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-15 00:56:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:56:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-15 00:56:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 00:56:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 00:56:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-15 00:56:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-15 00:56:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-15 00:56:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-15 00:56:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-15 00:56:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-15 00:56:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-15 00:56:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-15 00:56:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2019-10-15 00:56:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-15 00:56:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-15 00:56:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-15 00:56:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2019-10-15 00:56:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-10-15 00:56:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_20 [2019-10-15 00:56:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:56:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-15 00:56:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:56:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:56:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:56:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:56:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-15 00:56:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-15 00:56:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 00:56:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 00:56:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 00:56:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 00:56:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 00:56:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-15 00:56:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-15 00:56:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-15 00:56:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-15 00:56:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:56:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:56:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 00:56:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 00:56:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:56:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 00:56:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 00:56:00,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-15 00:56:00,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-15 00:56:00,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 00:56:00,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-15 00:56:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:56:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:56:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:56:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:56:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:56:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:56:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:56:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 00:56:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 00:56:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 00:56:00,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 00:56:00,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2019-10-15 00:56:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2019-10-15 00:56:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2019-10-15 00:56:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2019-10-15 00:56:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2019-10-15 00:56:00,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2019-10-15 00:56:00,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2019-10-15 00:56:00,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2019-10-15 00:56:00,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2019-10-15 00:56:00,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2019-10-15 00:56:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2019-10-15 00:56:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:56:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-15 00:56:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:56:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:56:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-15 00:56:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-15 00:56:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_load [2019-10-15 00:56:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2019-10-15 00:56:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2019-10-15 00:56:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2019-10-15 00:56:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2019-10-15 00:56:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2019-10-15 00:56:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_set_target_max_io_len [2019-10-15 00:56:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_add_target_callbacks [2019-10-15 00:56:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2019-10-15 00:56:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2019-10-15 00:56:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2019-10-15 00:56:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-15 00:56:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-15 00:56:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:56:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_preresume_2 [2019-10-15 00:56:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 00:56:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-15 00:56:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure md_error [2019-10-15 00:56:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_clear [2019-10-15 00:56:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_init [2019-10-15 00:56:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure md_reap_sync_thread [2019-10-15 00:56:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure md_run [2019-10-15 00:56:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop [2019-10-15 00:56:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop_writes [2019-10-15 00:56:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2019-10-15 00:56:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_congested [2019-10-15 00:56:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_init [2019-10-15 00:56:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_resume [2019-10-15 00:56:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_suspend [2019-10-15 00:56:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_unlock [2019-10-15 00:56:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 00:56:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-15 00:56:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 00:56:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:56:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:56:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2019-10-15 00:56:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-15 00:56:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-15 00:56:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_set_cache_size [2019-10-15 00:56:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-10-15 00:56:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2019-10-15 00:56:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_page_io [2019-10-15 00:56:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:56:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:56:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:56:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:56:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:56:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:56:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 00:56:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 00:56:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 00:56:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:56:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-10-15 00:56:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2019-10-15 00:56:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2019-10-15 00:56:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:56:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-15 00:56:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-15 00:56:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-10-15 00:56:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:56:00,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:56:00,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:56:00,989 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 00:56:00,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:56:00,989 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:56:00,989 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-15 00:56:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:56:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-15 00:56:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 00:56:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-15 00:56:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:56:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-15 00:56:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2019-10-15 00:56:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-15 00:56:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 00:56:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 00:56:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2019-10-15 00:56:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-15 00:56:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 00:56:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2019-10-15 00:56:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_20 [2019-10-15 00:56:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:56:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-15 00:56:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-15 00:56:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-15 00:56:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:56:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:56:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:56:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:56:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:56:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:56:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:56:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:56:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:56:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:56:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 00:56:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 00:56:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:56:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:56:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:56:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:56:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:56:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-15 00:56:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2019-10-15 00:56:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 00:56:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-15 00:56:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-15 00:56:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-15 00:56:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-10-15 00:56:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 00:56:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 00:56:01,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 00:56:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 00:56:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:56:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:56:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:56:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2019-10-15 00:56:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2019-10-15 00:56:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2019-10-15 00:56:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-15 00:56:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-15 00:56:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-15 00:56:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-15 00:56:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-15 00:56:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-15 00:56:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-15 00:56:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-15 00:56:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-15 00:56:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-15 00:56:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-15 00:56:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:56:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:56:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:56:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:56:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-15 00:56:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-15 00:56:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-15 00:56:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2019-10-15 00:56:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-15 00:56:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-15 00:56:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-15 00:56:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-10-15 00:56:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2019-10-15 00:56:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-15 00:56:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2019-10-15 00:56:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2019-10-15 00:56:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2019-10-15 00:56:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-10-15 00:56:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2019-10-15 00:56:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_lock_nointr [2019-10-15 00:56:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_unlock [2019-10-15 00:56:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2019-10-15 00:56:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure md_reap_sync_thread [2019-10-15 00:56:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure md_error [2019-10-15 00:56:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_congested [2019-10-15 00:56:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure sync_page_io [2019-10-15 00:56:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_init [2019-10-15 00:56:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure md_run [2019-10-15 00:56:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop [2019-10-15 00:56:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop_writes [2019-10-15 00:56:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_init [2019-10-15 00:56:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_clear [2019-10-15 00:56:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_suspend [2019-10-15 00:56:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_resume [2019-10-15 00:56:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_set_cache_size [2019-10-15 00:56:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_load [2019-10-15 00:56:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2019-10-15 00:56:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2019-10-15 00:56:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2019-10-15 00:56:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2019-10-15 00:56:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_add_target_callbacks [2019-10-15 00:56:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure dm_set_target_max_io_len [2019-10-15 00:56:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2019-10-15 00:56:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2019-10-15 00:56:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure to_sector [2019-10-15 00:56:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:56:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_format [2019-10-15 00:56:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_copies [2019-10-15 00:56:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_format_to_md_layout [2019-10-15 00:56:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_raid_type [2019-10-15 00:56:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure context_alloc [2019-10-15 00:56:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:56:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure context_free [2019-10-15 00:56:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure dev_parms [2019-10-15 00:56:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure validate_region_size [2019-10-15 00:56:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure validate_raid_redundancy [2019-10-15 00:56:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure parse_raid_params [2019-10-15 00:56:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:56:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure do_table_event [2019-10-15 00:56:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure raid_is_congested [2019-10-15 00:56:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure read_disk_sb [2019-10-15 00:56:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure super_sync [2019-10-15 00:56:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure super_load [2019-10-15 00:56:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure super_init_validation [2019-10-15 00:56:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure super_validate [2019-10-15 00:56:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure analyse_superblocks [2019-10-15 00:56:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure configure_discard_support [2019-10-15 00:56:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure raid_ctr [2019-10-15 00:56:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure raid_dtr [2019-10-15 00:56:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure raid_map [2019-10-15 00:56:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 00:56:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure decipher_sync_action [2019-10-15 00:56:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure raid_status [2019-10-15 00:56:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure raid_message [2019-10-15 00:56:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure raid_iterate_devices [2019-10-15 00:56:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-10-15 00:56:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure raid_io_hints [2019-10-15 00:56:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure raid_presuspend [2019-10-15 00:56:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure raid_postsuspend [2019-10-15 00:56:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure attempt_restore_of_faulty_devices [2019-10-15 00:56:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:56:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure raid_resume [2019-10-15 00:56:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure raid_merge [2019-10-15 00:56:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:56:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_init [2019-10-15 00:56:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_exit [2019-10-15 00:56:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_preresume_2 [2019-10-15 00:56:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:56:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:56:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:56:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:56:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-15 00:56:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:56:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-15 00:56:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-15 00:56:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 00:56:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 00:56:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 00:56:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-15 00:56:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-15 00:56:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-15 00:56:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-15 00:56:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:56:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:56:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 00:56:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:56:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 00:56:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-15 00:56:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-15 00:56:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 00:56:01,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-15 00:56:01,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:56:01,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:56:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:56:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:56:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 00:56:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 00:56:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 00:56:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 00:56:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2019-10-15 00:56:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2019-10-15 00:56:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2019-10-15 00:56:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2019-10-15 00:56:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2019-10-15 00:56:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2019-10-15 00:56:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2019-10-15 00:56:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2019-10-15 00:56:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:56:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 00:56:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 00:56:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:56:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:56:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:56:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:56:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:56:02,449 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:56:11,719 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:56:11,720 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:56:11,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:56:11 BoogieIcfgContainer [2019-10-15 00:56:11,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:56:11,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:56:11,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:56:11,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:56:11,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:55:57" (1/3) ... [2019-10-15 00:56:11,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7c37aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:56:11, skipping insertion in model container [2019-10-15 00:56:11,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:56:00" (2/3) ... [2019-10-15 00:56:11,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7c37aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:56:11, skipping insertion in model container [2019-10-15 00:56:11,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:56:11" (3/3) ... [2019-10-15 00:56:11,736 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-15 00:56:11,747 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:56:11,758 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:56:11,770 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:56:11,805 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:56:11,806 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:56:11,806 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:56:11,806 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:56:11,806 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:56:11,806 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:56:11,806 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:56:11,806 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:56:11,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states. [2019-10-15 00:56:11,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-15 00:56:11,871 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:11,872 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] [2019-10-15 00:56:11,875 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:11,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:11,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1913972526, now seen corresponding path program 1 times [2019-10-15 00:56:11,890 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:11,890 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285018816] [2019-10-15 00:56:11,890 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:11,891 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:11,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:13,125 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-10-15 00:56:13,126 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285018816] [2019-10-15 00:56:13,127 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:13,127 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:13,127 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177605738] [2019-10-15 00:56:13,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:13,135 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:13,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:13,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:13,153 INFO L87 Difference]: Start difference. First operand 1658 states. Second operand 3 states. [2019-10-15 00:56:15,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:15,949 INFO L93 Difference]: Finished difference Result 4043 states and 5668 transitions. [2019-10-15 00:56:15,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:15,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-15 00:56:15,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:15,987 INFO L225 Difference]: With dead ends: 4043 [2019-10-15 00:56:15,988 INFO L226 Difference]: Without dead ends: 2675 [2019-10-15 00:56:16,001 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:16,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2675 states. [2019-10-15 00:56:16,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2675 to 2672. [2019-10-15 00:56:16,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2672 states. [2019-10-15 00:56:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3723 transitions. [2019-10-15 00:56:16,298 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3723 transitions. Word has length 189 [2019-10-15 00:56:16,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:16,302 INFO L462 AbstractCegarLoop]: Abstraction has 2672 states and 3723 transitions. [2019-10-15 00:56:16,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:16,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3723 transitions. [2019-10-15 00:56:16,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-15 00:56:16,318 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:16,319 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] [2019-10-15 00:56:16,319 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:16,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:16,320 INFO L82 PathProgramCache]: Analyzing trace with hash 349202107, now seen corresponding path program 1 times [2019-10-15 00:56:16,320 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:16,320 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409705429] [2019-10-15 00:56:16,320 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:16,320 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:16,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-10-15 00:56:16,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409705429] [2019-10-15 00:56:16,811 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:16,811 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:16,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301109204] [2019-10-15 00:56:16,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:16,814 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:16,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:16,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:16,815 INFO L87 Difference]: Start difference. First operand 2672 states and 3723 transitions. Second operand 3 states. [2019-10-15 00:56:16,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:16,904 INFO L93 Difference]: Finished difference Result 2674 states and 3724 transitions. [2019-10-15 00:56:16,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:16,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-15 00:56:16,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:16,930 INFO L225 Difference]: With dead ends: 2674 [2019-10-15 00:56:16,930 INFO L226 Difference]: Without dead ends: 2671 [2019-10-15 00:56:16,935 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:16,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2019-10-15 00:56:17,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 2671. [2019-10-15 00:56:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2671 states. [2019-10-15 00:56:17,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 3721 transitions. [2019-10-15 00:56:17,073 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 3721 transitions. Word has length 194 [2019-10-15 00:56:17,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:17,076 INFO L462 AbstractCegarLoop]: Abstraction has 2671 states and 3721 transitions. [2019-10-15 00:56:17,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:17,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3721 transitions. [2019-10-15 00:56:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-15 00:56:17,080 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:17,081 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] [2019-10-15 00:56:17,081 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:17,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:17,084 INFO L82 PathProgramCache]: Analyzing trace with hash -2060217179, now seen corresponding path program 1 times [2019-10-15 00:56:17,085 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:17,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589853387] [2019-10-15 00:56:17,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:17,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:17,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-10-15 00:56:17,526 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589853387] [2019-10-15 00:56:17,526 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:17,526 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:17,527 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475028850] [2019-10-15 00:56:17,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:17,528 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:17,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:17,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:17,529 INFO L87 Difference]: Start difference. First operand 2671 states and 3721 transitions. Second operand 3 states. [2019-10-15 00:56:17,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:17,740 INFO L93 Difference]: Finished difference Result 2673 states and 3722 transitions. [2019-10-15 00:56:17,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:17,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2019-10-15 00:56:17,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:17,760 INFO L225 Difference]: With dead ends: 2673 [2019-10-15 00:56:17,760 INFO L226 Difference]: Without dead ends: 2670 [2019-10-15 00:56:17,762 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:17,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2019-10-15 00:56:17,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2670. [2019-10-15 00:56:17,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2670 states. [2019-10-15 00:56:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 3719 transitions. [2019-10-15 00:56:17,903 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 3719 transitions. Word has length 195 [2019-10-15 00:56:17,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:17,904 INFO L462 AbstractCegarLoop]: Abstraction has 2670 states and 3719 transitions. [2019-10-15 00:56:17,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3719 transitions. [2019-10-15 00:56:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-15 00:56:17,909 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:17,909 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] [2019-10-15 00:56:17,909 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:17,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:17,910 INFO L82 PathProgramCache]: Analyzing trace with hash 557201150, now seen corresponding path program 1 times [2019-10-15 00:56:17,910 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:17,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960275236] [2019-10-15 00:56:17,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:17,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:17,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-10-15 00:56:18,254 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960275236] [2019-10-15 00:56:18,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:18,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:18,255 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43066891] [2019-10-15 00:56:18,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:18,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:18,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:18,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:18,256 INFO L87 Difference]: Start difference. First operand 2670 states and 3719 transitions. Second operand 3 states. [2019-10-15 00:56:18,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:18,334 INFO L93 Difference]: Finished difference Result 2672 states and 3720 transitions. [2019-10-15 00:56:18,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:18,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2019-10-15 00:56:18,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:18,352 INFO L225 Difference]: With dead ends: 2672 [2019-10-15 00:56:18,352 INFO L226 Difference]: Without dead ends: 2669 [2019-10-15 00:56:18,355 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:18,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2669 states. [2019-10-15 00:56:18,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2669 to 2669. [2019-10-15 00:56:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2669 states. [2019-10-15 00:56:18,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 3717 transitions. [2019-10-15 00:56:18,478 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 3717 transitions. Word has length 196 [2019-10-15 00:56:18,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:18,479 INFO L462 AbstractCegarLoop]: Abstraction has 2669 states and 3717 transitions. [2019-10-15 00:56:18,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:18,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 3717 transitions. [2019-10-15 00:56:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-10-15 00:56:18,485 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:18,486 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] [2019-10-15 00:56:18,486 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:18,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:18,487 INFO L82 PathProgramCache]: Analyzing trace with hash 92795592, now seen corresponding path program 1 times [2019-10-15 00:56:18,487 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:18,487 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586830001] [2019-10-15 00:56:18,487 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:18,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:18,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:18,912 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-10-15 00:56:18,913 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586830001] [2019-10-15 00:56:18,913 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:18,913 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:18,913 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194026682] [2019-10-15 00:56:18,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:18,914 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:18,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:18,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:18,915 INFO L87 Difference]: Start difference. First operand 2669 states and 3717 transitions. Second operand 3 states. [2019-10-15 00:56:19,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:19,070 INFO L93 Difference]: Finished difference Result 5229 states and 7310 transitions. [2019-10-15 00:56:19,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:19,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2019-10-15 00:56:19,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:19,110 INFO L225 Difference]: With dead ends: 5229 [2019-10-15 00:56:19,110 INFO L226 Difference]: Without dead ends: 5212 [2019-10-15 00:56:19,115 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:19,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2019-10-15 00:56:19,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 5212. [2019-10-15 00:56:19,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5212 states. [2019-10-15 00:56:19,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 7289 transitions. [2019-10-15 00:56:19,516 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 7289 transitions. Word has length 197 [2019-10-15 00:56:19,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:19,522 INFO L462 AbstractCegarLoop]: Abstraction has 5212 states and 7289 transitions. [2019-10-15 00:56:19,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:19,522 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 7289 transitions. [2019-10-15 00:56:19,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2019-10-15 00:56:19,548 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:19,548 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] [2019-10-15 00:56:19,549 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:19,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:19,549 INFO L82 PathProgramCache]: Analyzing trace with hash -21004350, now seen corresponding path program 1 times [2019-10-15 00:56:19,549 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:19,550 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279249694] [2019-10-15 00:56:19,550 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:19,550 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:19,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:20,069 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2019-10-15 00:56:20,069 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279249694] [2019-10-15 00:56:20,070 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:20,070 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:20,070 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824007723] [2019-10-15 00:56:20,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:20,072 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:20,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:20,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:20,072 INFO L87 Difference]: Start difference. First operand 5212 states and 7289 transitions. Second operand 3 states. [2019-10-15 00:56:20,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:20,997 INFO L93 Difference]: Finished difference Result 10607 states and 14824 transitions. [2019-10-15 00:56:20,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:20,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2019-10-15 00:56:20,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:21,031 INFO L225 Difference]: With dead ends: 10607 [2019-10-15 00:56:21,031 INFO L226 Difference]: Without dead ends: 5444 [2019-10-15 00:56:21,055 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:21,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5444 states. [2019-10-15 00:56:21,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5444 to 5428. [2019-10-15 00:56:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5428 states. [2019-10-15 00:56:21,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5428 states to 5428 states and 7580 transitions. [2019-10-15 00:56:21,357 INFO L78 Accepts]: Start accepts. Automaton has 5428 states and 7580 transitions. Word has length 370 [2019-10-15 00:56:21,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:21,358 INFO L462 AbstractCegarLoop]: Abstraction has 5428 states and 7580 transitions. [2019-10-15 00:56:21,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand 5428 states and 7580 transitions. [2019-10-15 00:56:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-10-15 00:56:21,393 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:21,394 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] [2019-10-15 00:56:21,395 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:21,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:21,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1292983767, now seen corresponding path program 1 times [2019-10-15 00:56:21,396 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:21,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857614775] [2019-10-15 00:56:21,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:21,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:21,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-15 00:56:22,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857614775] [2019-10-15 00:56:22,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:22,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:22,041 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405056903] [2019-10-15 00:56:22,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:22,042 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:22,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:22,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:22,043 INFO L87 Difference]: Start difference. First operand 5428 states and 7580 transitions. Second operand 3 states. [2019-10-15 00:56:22,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:22,304 INFO L93 Difference]: Finished difference Result 10799 states and 15099 transitions. [2019-10-15 00:56:22,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:22,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 398 [2019-10-15 00:56:22,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:22,337 INFO L225 Difference]: With dead ends: 10799 [2019-10-15 00:56:22,338 INFO L226 Difference]: Without dead ends: 5432 [2019-10-15 00:56:22,361 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:22,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5432 states. [2019-10-15 00:56:22,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5432 to 5432. [2019-10-15 00:56:22,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5432 states. [2019-10-15 00:56:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5432 states to 5432 states and 7584 transitions. [2019-10-15 00:56:22,594 INFO L78 Accepts]: Start accepts. Automaton has 5432 states and 7584 transitions. Word has length 398 [2019-10-15 00:56:22,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:22,595 INFO L462 AbstractCegarLoop]: Abstraction has 5432 states and 7584 transitions. [2019-10-15 00:56:22,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:22,595 INFO L276 IsEmpty]: Start isEmpty. Operand 5432 states and 7584 transitions. [2019-10-15 00:56:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-10-15 00:56:22,616 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:22,616 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] [2019-10-15 00:56:22,616 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:22,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:22,617 INFO L82 PathProgramCache]: Analyzing trace with hash -476487847, now seen corresponding path program 1 times [2019-10-15 00:56:22,617 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:22,617 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328950395] [2019-10-15 00:56:22,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:22,618 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:22,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-15 00:56:23,387 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328950395] [2019-10-15 00:56:23,387 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:23,387 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:56:23,388 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143635228] [2019-10-15 00:56:23,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:56:23,389 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:23,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:56:23,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:23,390 INFO L87 Difference]: Start difference. First operand 5432 states and 7584 transitions. Second operand 3 states. [2019-10-15 00:56:23,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:23,603 INFO L93 Difference]: Finished difference Result 10943 states and 15323 transitions. [2019-10-15 00:56:23,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:56:23,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 398 [2019-10-15 00:56:23,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:23,635 INFO L225 Difference]: With dead ends: 10943 [2019-10-15 00:56:23,635 INFO L226 Difference]: Without dead ends: 5572 [2019-10-15 00:56:23,659 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:56:23,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5572 states. [2019-10-15 00:56:23,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5572 to 5560. [2019-10-15 00:56:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5560 states. [2019-10-15 00:56:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5560 states to 5560 states and 7788 transitions. [2019-10-15 00:56:23,901 INFO L78 Accepts]: Start accepts. Automaton has 5560 states and 7788 transitions. Word has length 398 [2019-10-15 00:56:23,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:23,903 INFO L462 AbstractCegarLoop]: Abstraction has 5560 states and 7788 transitions. [2019-10-15 00:56:23,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:56:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 5560 states and 7788 transitions. [2019-10-15 00:56:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2019-10-15 00:56:23,935 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:23,935 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] [2019-10-15 00:56:23,936 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:23,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:23,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1438638363, now seen corresponding path program 1 times [2019-10-15 00:56:23,936 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:23,936 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888322140] [2019-10-15 00:56:23,937 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:23,937 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:23,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:24,593 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-15 00:56:24,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888322140] [2019-10-15 00:56:24,593 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:24,593 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 00:56:24,594 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934248362] [2019-10-15 00:56:24,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 00:56:24,595 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:24,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 00:56:24,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 00:56:24,595 INFO L87 Difference]: Start difference. First operand 5560 states and 7788 transitions. Second operand 4 states. [2019-10-15 00:56:24,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:24,855 INFO L93 Difference]: Finished difference Result 11339 states and 15959 transitions. [2019-10-15 00:56:24,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:56:24,856 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 399 [2019-10-15 00:56:24,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:24,889 INFO L225 Difference]: With dead ends: 11339 [2019-10-15 00:56:24,889 INFO L226 Difference]: Without dead ends: 5840 [2019-10-15 00:56:24,917 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:56:24,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5840 states. [2019-10-15 00:56:25,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5840 to 5824. [2019-10-15 00:56:25,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5824 states. [2019-10-15 00:56:25,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5824 states to 5824 states and 8208 transitions. [2019-10-15 00:56:25,160 INFO L78 Accepts]: Start accepts. Automaton has 5824 states and 8208 transitions. Word has length 399 [2019-10-15 00:56:25,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:25,160 INFO L462 AbstractCegarLoop]: Abstraction has 5824 states and 8208 transitions. [2019-10-15 00:56:25,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 00:56:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 5824 states and 8208 transitions. [2019-10-15 00:56:25,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2019-10-15 00:56:25,181 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:25,182 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] [2019-10-15 00:56:25,182 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:25,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:25,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1868063214, now seen corresponding path program 1 times [2019-10-15 00:56:25,182 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:25,183 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083641451] [2019-10-15 00:56:25,183 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:25,183 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:25,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:25,667 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-15 00:56:25,667 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083641451] [2019-10-15 00:56:25,668 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:25,668 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 00:56:25,668 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844468955] [2019-10-15 00:56:25,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 00:56:25,669 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:25,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 00:56:25,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 00:56:25,670 INFO L87 Difference]: Start difference. First operand 5824 states and 8208 transitions. Second operand 4 states. [2019-10-15 00:56:25,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:25,912 INFO L93 Difference]: Finished difference Result 8824 states and 12428 transitions. [2019-10-15 00:56:25,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:56:25,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 400 [2019-10-15 00:56:25,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:25,953 INFO L225 Difference]: With dead ends: 8824 [2019-10-15 00:56:25,954 INFO L226 Difference]: Without dead ends: 5840 [2019-10-15 00:56:25,974 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:56:25,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5840 states. [2019-10-15 00:56:26,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5840 to 5832. [2019-10-15 00:56:26,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5832 states. [2019-10-15 00:56:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5832 states to 5832 states and 8216 transitions. [2019-10-15 00:56:26,325 INFO L78 Accepts]: Start accepts. Automaton has 5832 states and 8216 transitions. Word has length 400 [2019-10-15 00:56:26,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:26,326 INFO L462 AbstractCegarLoop]: Abstraction has 5832 states and 8216 transitions. [2019-10-15 00:56:26,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 00:56:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 5832 states and 8216 transitions. [2019-10-15 00:56:26,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2019-10-15 00:56:26,363 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:26,364 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] [2019-10-15 00:56:26,364 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:26,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:26,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1944964012, now seen corresponding path program 1 times [2019-10-15 00:56:26,366 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:26,366 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117335432] [2019-10-15 00:56:26,366 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:26,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:26,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:56:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:56:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-10-15 00:56:27,500 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117335432] [2019-10-15 00:56:27,500 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:56:27,500 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:56:27,501 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896958420] [2019-10-15 00:56:27,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:56:27,502 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:56:27,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:56:27,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:56:27,503 INFO L87 Difference]: Start difference. First operand 5832 states and 8216 transitions. Second operand 5 states. [2019-10-15 00:56:27,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:56:27,952 INFO L93 Difference]: Finished difference Result 11635 states and 16405 transitions. [2019-10-15 00:56:27,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:56:27,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 400 [2019-10-15 00:56:27,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:56:27,991 INFO L225 Difference]: With dead ends: 11635 [2019-10-15 00:56:27,991 INFO L226 Difference]: Without dead ends: 5864 [2019-10-15 00:56:28,019 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 [2019-10-15 00:56:28,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5864 states. [2019-10-15 00:56:28,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5864 to 5848. [2019-10-15 00:56:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5848 states. [2019-10-15 00:56:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5848 states to 5848 states and 8232 transitions. [2019-10-15 00:56:28,372 INFO L78 Accepts]: Start accepts. Automaton has 5848 states and 8232 transitions. Word has length 400 [2019-10-15 00:56:28,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:56:28,373 INFO L462 AbstractCegarLoop]: Abstraction has 5848 states and 8232 transitions. [2019-10-15 00:56:28,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:56:28,373 INFO L276 IsEmpty]: Start isEmpty. Operand 5848 states and 8232 transitions. [2019-10-15 00:56:28,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-10-15 00:56:28,413 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:56:28,414 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] [2019-10-15 00:56:28,414 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:56:28,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:56:28,415 INFO L82 PathProgramCache]: Analyzing trace with hash -223317360, now seen corresponding path program 1 times [2019-10-15 00:56:28,416 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:56:28,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032968219] [2019-10-15 00:56:28,416 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:28,416 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:56:28,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY