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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 11:44:50,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:44:50,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:44:50,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:44:50,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:44:50,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:44:50,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:44:50,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:44:50,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:44:50,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:44:50,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:44:50,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:44:50,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:44:50,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:44:50,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:44:50,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:44:50,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:44:50,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:44:50,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:44:50,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:44:50,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:44:50,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:44:50,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:44:50,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:44:50,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:44:50,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:44:50,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:44:50,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:44:50,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:44:50,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:44:50,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:44:50,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:44:50,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:44:50,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:44:50,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:44:50,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:44:50,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:44:50,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:44:50,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:44:50,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:44:50,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:44:50,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 11:44:50,753 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:44:50,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:44:50,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:44:50,754 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:44:50,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:44:50,755 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:44:50,755 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:44:50,756 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:44:50,756 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:44:50,756 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:44:50,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:44:50,757 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:44:50,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:44:50,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:44:50,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:44:50,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:44:50,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:44:50,758 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:44:50,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:44:50,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:44:50,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:44:50,759 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:44:50,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:44:50,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:44:50,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:44:50,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:44:50,760 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:44:50,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:44:50,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:44:50,761 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:44:50,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:44:50,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:44:50,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:44:50,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:44:50,809 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:44:50,810 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2019-09-10 11:44:50,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c71af1f9/53e584fa4457499daf70e941b010fd43/FLAGf23f8d65a [2019-09-10 11:44:51,639 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:44:51,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2019-09-10 11:44:51,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c71af1f9/53e584fa4457499daf70e941b010fd43/FLAGf23f8d65a [2019-09-10 11:44:52,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c71af1f9/53e584fa4457499daf70e941b010fd43 [2019-09-10 11:44:52,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:44:52,176 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:44:52,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:44:52,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:44:52,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:44:52,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:44:52" (1/1) ... [2019-09-10 11:44:52,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780b3015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:44:52, skipping insertion in model container [2019-09-10 11:44:52,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:44:52" (1/1) ... [2019-09-10 11:44:52,195 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:44:52,341 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:44:53,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:44:53,845 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:44:54,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:44:54,648 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:44:54,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:44:54 WrapperNode [2019-09-10 11:44:54,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:44:54,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:44:54,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:44:54,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:44:54,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:44:54" (1/1) ... [2019-09-10 11:44:54,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:44:54" (1/1) ... [2019-09-10 11:44:54,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:44:54" (1/1) ... [2019-09-10 11:44:54,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:44:54" (1/1) ... [2019-09-10 11:44:54,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:44:54" (1/1) ... [2019-09-10 11:44:54,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:44:54" (1/1) ... [2019-09-10 11:44:54,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:44:54" (1/1) ... [2019-09-10 11:44:54,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:44:54,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:44:54,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:44:54,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:44:54,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:44:54" (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 [2019-09-10 11:44:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:44:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:44:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-10 11:44:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-10 11:44:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 11:44:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2019-09-10 11:44:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 11:44:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-10 11:44:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-10 11:44:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 11:44:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-10 11:44:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-10 11:44:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-10 11:44:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 11:44:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 11:44:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 11:44:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:44:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:44:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-10 11:44:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-10 11:44:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:44:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:44:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:44:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:44:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-09-10 11:44:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mdname [2019-09-10 11:44:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_ast [2019-09-10 11:44:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2019-09-10 11:44:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2019-09-10 11:44:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2019-09-10 11:44:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2019-09-10 11:44:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2019-09-10 11:44:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure add_resync_info [2019-09-10 11:44:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure read_resync_info [2019-09-10 11:44:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_bitmaps [2019-09-10 11:44:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_prep [2019-09-10 11:44:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_slot [2019-09-10 11:44:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_done [2019-09-10 11:44:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ack_bast [2019-09-10 11:44:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __remove_suspend_info [2019-09-10 11:44:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_suspend_info [2019-09-10 11:44:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure process_suspend_info [2019-09-10 11:44:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure process_add_new_disk [2019-09-10 11:44:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure process_metadata_update [2019-09-10 11:44:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure process_remove_disk [2019-09-10 11:44:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure process_readd_disk [2019-09-10 11:44:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure process_recvd_msg [2019-09-10 11:44:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_daemon [2019-09-10 11:44:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2019-09-10 11:44:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2019-09-10 11:44:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2019-09-10 11:44:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2019-09-10 11:44:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure gather_all_resync_info [2019-09-10 11:44:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure join [2019-09-10 11:44:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure leave [2019-09-10 11:44:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure slot_number [2019-09-10 11:44:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2019-09-10 11:44:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_update_start [2019-09-10 11:44:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_update_finish [2019-09-10 11:44:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_update_cancel [2019-09-10 11:44:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2019-09-10 11:44:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_start [2019-09-10 11:44:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_finish [2019-09-10 11:44:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure area_resyncing [2019-09-10 11:44:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure add_new_disk_start [2019-09-10 11:44:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure add_new_disk_finish [2019-09-10 11:44:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure new_disk_ack [2019-09-10 11:44:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_disk [2019-09-10 11:44:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure gather_bitmaps [2019-09-10 11:44:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cluster_init [2019-09-10 11:44:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cluster_exit [2019-09-10 11:44:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_dlm_lockspace_ops_2 [2019-09-10 11:44:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_md_cluster_operations_1 [2019-09-10 11:44:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:44:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-09-10 11:44:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-09-10 11:44:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:44:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 11:44:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 11:44:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 11:44:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 11:44:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-10 11:44:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-10 11:44:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-10 11:44:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-10 11:44:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-10 11:44:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:44:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 11:44:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-10 11:44:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 11:44:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 11:44:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-10 11:44:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-10 11:44:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2019-09-10 11:44:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-10 11:44:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock [2019-09-10 11:44:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_new_lockspace [2019-09-10 11:44:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2019-09-10 11:44:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock [2019-09-10 11:44:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent_env [2019-09-10 11:44:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:44:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-10 11:44:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure md_check_recovery [2019-09-10 11:44:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure md_find_rdev_nr_rcu [2019-09-10 11:44:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure md_kick_rdev_from_array [2019-09-10 11:44:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2019-09-10 11:44:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure md_reload_sb [2019-09-10 11:44:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2019-09-10 11:44:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure md_update_sb [2019-09-10 11:44:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2019-09-10 11:44:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 11:44:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure register_md_cluster_operations [2019-09-10 11:44:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-10 11:44:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_md_cluster_operations [2019-09-10 11:44:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-10 11:44:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2019-09-10 11:44:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:44:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:44:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 11:44:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:44:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 11:44:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-09-10 11:44:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-10 11:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-10 11:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 11:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2019-09-10 11:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 11:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-10 11:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-10 11:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 11:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-10 11:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-10 11:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-10 11:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-10 11:44:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 11:44:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-09-10 11:44:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 11:44:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-10 11:44:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-10 11:44:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 11:44:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-10 11:44:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-10 11:44:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 11:44:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-10 11:44:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-10 11:44:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 11:44:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 11:44:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-10 11:44:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:44:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:44:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:44:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-10 11:44:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2019-09-10 11:44:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-10 11:44:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent_env [2019-09-10 11:44:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-09-10 11:44:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-09-10 11:44:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-10 11:44:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-10 11:44:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:44:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:44:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 11:44:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 11:44:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 11:44:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:44:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:44:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:44:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:44:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:44:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:44:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:44:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:44:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:44:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-10 11:44:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-10 11:44:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 11:44:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:44:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:44:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:44:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:44:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_dlm_lockspace_ops_2 [2019-09-10 11:44:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_md_cluster_operations_1 [2019-09-10 11:44:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_new_lockspace [2019-09-10 11:44:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2019-09-10 11:44:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock [2019-09-10 11:44:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock [2019-09-10 11:44:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-09-10 11:44:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure mdname [2019-09-10 11:44:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure register_md_cluster_operations [2019-09-10 11:44:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_md_cluster_operations [2019-09-10 11:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2019-09-10 11:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2019-09-10 11:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2019-09-10 11:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure md_check_recovery [2019-09-10 11:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure md_reload_sb [2019-09-10 11:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure md_update_sb [2019-09-10 11:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure md_kick_rdev_from_array [2019-09-10 11:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure md_find_rdev_nr_rcu [2019-09-10 11:44:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2019-09-10 11:44:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure sync_ast [2019-09-10 11:44:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2019-09-10 11:44:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2019-09-10 11:44:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2019-09-10 11:44:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2019-09-10 11:44:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2019-09-10 11:44:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure add_resync_info [2019-09-10 11:44:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure read_resync_info [2019-09-10 11:44:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 11:44:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure recover_bitmaps [2019-09-10 11:44:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure recover_prep [2019-09-10 11:44:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure recover_slot [2019-09-10 11:44:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure recover_done [2019-09-10 11:44:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure ack_bast [2019-09-10 11:44:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure __remove_suspend_info [2019-09-10 11:44:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure remove_suspend_info [2019-09-10 11:44:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure process_suspend_info [2019-09-10 11:44:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure process_add_new_disk [2019-09-10 11:44:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure process_metadata_update [2019-09-10 11:44:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure process_remove_disk [2019-09-10 11:44:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure process_readd_disk [2019-09-10 11:44:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure process_recvd_msg [2019-09-10 11:44:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure recv_daemon [2019-09-10 11:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2019-09-10 11:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2019-09-10 11:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2019-09-10 11:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-09-10 11:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2019-09-10 11:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure gather_all_resync_info [2019-09-10 11:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure join [2019-09-10 11:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure leave [2019-09-10 11:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure slot_number [2019-09-10 11:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2019-09-10 11:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_update_start [2019-09-10 11:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_update_finish [2019-09-10 11:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_update_cancel [2019-09-10 11:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2019-09-10 11:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure resync_start [2019-09-10 11:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure resync_finish [2019-09-10 11:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure area_resyncing [2019-09-10 11:44:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure add_new_disk_start [2019-09-10 11:44:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure add_new_disk_finish [2019-09-10 11:44:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure new_disk_ack [2019-09-10 11:44:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure remove_disk [2019-09-10 11:44:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure gather_bitmaps [2019-09-10 11:44:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure cluster_init [2019-09-10 11:44:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure cluster_exit [2019-09-10 11:44:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:44:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:44:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:44:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:44:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 11:44:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 11:44:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 11:44:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 11:44:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-10 11:44:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-10 11:44:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-10 11:44:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:44:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:44:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:44:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:44:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:44:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:44:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 11:44:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 11:44:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 11:44:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 11:44:55,957 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:44:59,122 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-10 11:44:59,608 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:44:59,608 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 11:44:59,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:44:59 BoogieIcfgContainer [2019-09-10 11:44:59,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:44:59,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:44:59,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:44:59,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:44:59,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:44:52" (1/3) ... [2019-09-10 11:44:59,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4729221b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:44:59, skipping insertion in model container [2019-09-10 11:44:59,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:44:54" (2/3) ... [2019-09-10 11:44:59,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4729221b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:44:59, skipping insertion in model container [2019-09-10 11:44:59,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:44:59" (3/3) ... [2019-09-10 11:44:59,617 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2019-09-10 11:44:59,627 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:44:59,639 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:44:59,656 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:44:59,683 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:44:59,684 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:44:59,684 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:44:59,684 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:44:59,684 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:44:59,684 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:44:59,684 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:44:59,684 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:44:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states. [2019-09-10 11:44:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-09-10 11:44:59,766 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:44:59,769 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:44:59,771 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:44:59,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:44:59,777 INFO L82 PathProgramCache]: Analyzing trace with hash -787206966, now seen corresponding path program 1 times [2019-09-10 11:44:59,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:44:59,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:44:59,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:44:59,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:44:59,871 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:45:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:45:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2019-09-10 11:45:00,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:45:00,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:45:00,535 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:45:00,541 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:45:00,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:45:00,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:45:00,559 INFO L87 Difference]: Start difference. First operand 924 states. Second operand 3 states. [2019-09-10 11:45:01,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:45:01,302 INFO L93 Difference]: Finished difference Result 1412 states and 1811 transitions. [2019-09-10 11:45:01,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:45:01,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2019-09-10 11:45:01,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:45:01,351 INFO L225 Difference]: With dead ends: 1412 [2019-09-10 11:45:01,352 INFO L226 Difference]: Without dead ends: 1395 [2019-09-10 11:45:01,358 INFO L628 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 [2019-09-10 11:45:01,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2019-09-10 11:45:01,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1392. [2019-09-10 11:45:01,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1392 states. [2019-09-10 11:45:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1784 transitions. [2019-09-10 11:45:01,546 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1784 transitions. Word has length 182 [2019-09-10 11:45:01,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:45:01,547 INFO L475 AbstractCegarLoop]: Abstraction has 1392 states and 1784 transitions. [2019-09-10 11:45:01,547 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:45:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1784 transitions. [2019-09-10 11:45:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-09-10 11:45:01,552 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:45:01,552 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:45:01,552 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:45:01,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:45:01,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1431413259, now seen corresponding path program 1 times [2019-09-10 11:45:01,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:45:01,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:45:01,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:45:01,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:45:01,558 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:45:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:45:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2019-09-10 11:45:01,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:45:01,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 11:45:01,844 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:45:01,847 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 11:45:01,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 11:45:01,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:45:01,848 INFO L87 Difference]: Start difference. First operand 1392 states and 1784 transitions. Second operand 5 states. [2019-09-10 11:45:02,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:45:02,096 INFO L93 Difference]: Finished difference Result 1391 states and 1780 transitions. [2019-09-10 11:45:02,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 11:45:02,097 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 186 [2019-09-10 11:45:02,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:45:02,110 INFO L225 Difference]: With dead ends: 1391 [2019-09-10 11:45:02,110 INFO L226 Difference]: Without dead ends: 1391 [2019-09-10 11:45:02,112 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 11:45:02,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2019-09-10 11:45:02,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1391. [2019-09-10 11:45:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2019-09-10 11:45:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1780 transitions. [2019-09-10 11:45:02,215 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1780 transitions. Word has length 186 [2019-09-10 11:45:02,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:45:02,218 INFO L475 AbstractCegarLoop]: Abstraction has 1391 states and 1780 transitions. [2019-09-10 11:45:02,218 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 11:45:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1780 transitions. [2019-09-10 11:45:02,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-09-10 11:45:02,229 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:45:02,229 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:45:02,230 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:45:02,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:45:02,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1920781233, now seen corresponding path program 1 times [2019-09-10 11:45:02,230 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:45:02,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:45:02,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:45:02,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:45:02,238 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:45:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:45:02,548 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2019-09-10 11:45:02,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:45:02,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:45:02,549 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:45:02,550 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:45:02,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:45:02,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:45:02,551 INFO L87 Difference]: Start difference. First operand 1391 states and 1780 transitions. Second operand 3 states. [2019-09-10 11:45:02,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:45:02,615 INFO L93 Difference]: Finished difference Result 2737 states and 3504 transitions. [2019-09-10 11:45:02,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:45:02,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-09-10 11:45:02,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:45:02,635 INFO L225 Difference]: With dead ends: 2737 [2019-09-10 11:45:02,635 INFO L226 Difference]: Without dead ends: 2726 [2019-09-10 11:45:02,636 INFO L628 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 [2019-09-10 11:45:02,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2726 states. [2019-09-10 11:45:02,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2726 to 2722. [2019-09-10 11:45:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2722 states. [2019-09-10 11:45:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3490 transitions. [2019-09-10 11:45:02,728 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3490 transitions. Word has length 243 [2019-09-10 11:45:02,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:45:02,729 INFO L475 AbstractCegarLoop]: Abstraction has 2722 states and 3490 transitions. [2019-09-10 11:45:02,729 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:45:02,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3490 transitions. [2019-09-10 11:45:02,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-09-10 11:45:02,740 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:45:02,740 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:45:02,741 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:45:02,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:45:02,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1610086020, now seen corresponding path program 1 times [2019-09-10 11:45:02,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:45:02,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:45:02,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:45:02,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:45:02,745 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:45:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:45:03,153 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2019-09-10 11:45:03,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:45:03,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:45:03,154 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:45:03,155 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:45:03,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:45:03,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:45:03,157 INFO L87 Difference]: Start difference. First operand 2722 states and 3490 transitions. Second operand 3 states. [2019-09-10 11:45:03,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:45:03,224 INFO L93 Difference]: Finished difference Result 2734 states and 3504 transitions. [2019-09-10 11:45:03,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:45:03,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2019-09-10 11:45:03,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:45:03,252 INFO L225 Difference]: With dead ends: 2734 [2019-09-10 11:45:03,252 INFO L226 Difference]: Without dead ends: 2734 [2019-09-10 11:45:03,253 INFO L628 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 [2019-09-10 11:45:03,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2734 states. [2019-09-10 11:45:03,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2734 to 2726. [2019-09-10 11:45:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2019-09-10 11:45:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3494 transitions. [2019-09-10 11:45:03,463 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3494 transitions. Word has length 281 [2019-09-10 11:45:03,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:45:03,464 INFO L475 AbstractCegarLoop]: Abstraction has 2726 states and 3494 transitions. [2019-09-10 11:45:03,464 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:45:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3494 transitions. [2019-09-10 11:45:03,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-09-10 11:45:03,478 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:45:03,479 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:45:03,479 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:45:03,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:45:03,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1744099526, now seen corresponding path program 1 times [2019-09-10 11:45:03,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:45:03,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:45:03,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:45:03,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:45:03,483 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:45:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:45:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2019-09-10 11:45:03,998 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:45:03,998 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:45:03,999 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2019-09-10 11:45:04,002 INFO L207 CegarAbsIntRunner]: [37], [40], [42], [45], [48], [50], [51], [66], [67], [73], [74], [75], [77], [82], [86], [225], [433], [443], [445], [447], [448], [451], [457], [458], [461], [463], [464], [485], [486], [597], [599], [600], [601], [603], [604], [626], [627], [628], [630], [632], [634], [637], [639], [641], [643], [645], [647], [649], [651], [653], [655], [657], [659], [662], [665], [678], [691], [704], [717], [730], [743], [756], [769], [782], [785], [788], [790], [874], [877], [880], [883], [886], [888], [892], [895], [898], [900], [903], [905], [914], [1169], [1170], [1183], [1184], [1443], [1445], [1446], [1463], [1465], [1466], [1469], [1546], [1547], [1548], [1549], [1550], [1551], [1672], [1673], [1674], [1675], [1676], [1677], [1718], [1719], [1720], [1721], [1728], [1729], [1730], [1731], [1732], [1733], [1734], [1735], [1736], [1737], [1738], [1739], [1740], [1741], [1742], [1743], [1744], [1745], [1746], [1747], [1748], [1749], [1750], [1751], [1752], [1753], [1754], [1755], [1756], [1757], [1776], [1777], [1790], [1791], [1792], [1793], [1794], [1795], [1796], [1797], [1810], [1966], [1967], [1968], [1969], [1970], [1982], [1983], [1984] [2019-09-10 11:45:04,058 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:45:04,058 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:45:04,197 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:45:04,199 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 176 root evaluator evaluations with a maximum evaluation depth of 0. Performed 176 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 382 variables. [2019-09-10 11:45:04,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:45:04,203 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:45:04,350 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:45:04,350 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:45:04,362 INFO L420 sIntCurrentIteration]: We unified 280 AI predicates to 280 [2019-09-10 11:45:04,362 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:45:04,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:45:04,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2019-09-10 11:45:04,364 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:45:04,364 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:45:04,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:45:04,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:45:04,365 INFO L87 Difference]: Start difference. First operand 2726 states and 3494 transitions. Second operand 2 states. [2019-09-10 11:45:04,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:45:04,365 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:45:04,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:45:04,366 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 281 [2019-09-10 11:45:04,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:45:04,366 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:45:04,366 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:45:04,366 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:45:04,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:45:04,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:45:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:45:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:45:04,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2019-09-10 11:45:04,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:45:04,372 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:45:04,372 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:45:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:45:04,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:45:04,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:45:04 BoogieIcfgContainer [2019-09-10 11:45:04,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:45:04,384 INFO L168 Benchmark]: Toolchain (without parser) took 12206.57 ms. Allocated memory was 132.1 MB in the beginning and 464.0 MB in the end (delta: 331.9 MB). Free memory was 80.6 MB in the beginning and 186.0 MB in the end (delta: -105.4 MB). Peak memory consumption was 226.4 MB. Max. memory is 7.1 GB. [2019-09-10 11:45:04,385 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-10 11:45:04,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2471.81 ms. Allocated memory was 132.1 MB in the beginning and 266.9 MB in the end (delta: 134.7 MB). Free memory was 80.4 MB in the beginning and 148.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 109.4 MB. Max. memory is 7.1 GB. [2019-09-10 11:45:04,389 INFO L168 Benchmark]: Boogie Preprocessor took 245.67 ms. Allocated memory is still 266.9 MB. Free memory was 148.4 MB in the beginning and 131.8 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-09-10 11:45:04,390 INFO L168 Benchmark]: RCFGBuilder took 4714.68 ms. Allocated memory was 266.9 MB in the beginning and 377.5 MB in the end (delta: 110.6 MB). Free memory was 131.8 MB in the beginning and 299.0 MB in the end (delta: -167.2 MB). Peak memory consumption was 189.2 MB. Max. memory is 7.1 GB. [2019-09-10 11:45:04,391 INFO L168 Benchmark]: TraceAbstraction took 4769.56 ms. Allocated memory was 377.5 MB in the beginning and 464.0 MB in the end (delta: 86.5 MB). Free memory was 299.0 MB in the beginning and 186.0 MB in the end (delta: 113.0 MB). Peak memory consumption was 199.5 MB. Max. memory is 7.1 GB. [2019-09-10 11:45:04,401 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2471.81 ms. Allocated memory was 132.1 MB in the beginning and 266.9 MB in the end (delta: 134.7 MB). Free memory was 80.4 MB in the beginning and 148.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 109.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 245.67 ms. Allocated memory is still 266.9 MB. Free memory was 148.4 MB in the beginning and 131.8 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4714.68 ms. Allocated memory was 266.9 MB in the beginning and 377.5 MB in the end (delta: 110.6 MB). Free memory was 131.8 MB in the beginning and 299.0 MB in the end (delta: -167.2 MB). Peak memory consumption was 189.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4769.56 ms. Allocated memory was 377.5 MB in the beginning and 464.0 MB in the end (delta: 86.5 MB). Free memory was 299.0 MB in the beginning and 186.0 MB in the end (delta: 113.0 MB). Peak memory consumption was 199.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5809]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 122 procedures, 971 locations, 1 error locations. SAFE Result, 4.7s OverallTime, 5 OverallIterations, 11 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4130 SDtfs, 2743 SDslu, 4567 SDs, 0 SdLazy, 32 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2726occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.6892857142857145 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1173 NumberOfCodeBlocks, 1173 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1168 ConstructedInterpolants, 0 QuantifiedInterpolants, 327030 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 2955/2957 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...