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-32_7a-drivers--scsi--3w-9xxx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 12:48:33,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 12:48:33,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 12:48:33,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 12:48:33,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 12:48:33,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 12:48:33,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 12:48:33,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 12:48:33,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 12:48:33,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 12:48:33,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 12:48:33,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 12:48:33,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 12:48:33,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 12:48:33,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 12:48:33,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 12:48:33,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 12:48:33,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 12:48:33,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 12:48:33,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 12:48:33,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 12:48:33,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 12:48:33,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 12:48:33,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 12:48:33,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 12:48:33,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 12:48:33,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 12:48:33,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 12:48:33,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 12:48:33,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 12:48:33,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 12:48:33,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 12:48:33,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 12:48:33,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 12:48:33,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 12:48:33,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 12:48:33,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 12:48:33,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 12:48:33,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 12:48:33,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 12:48:33,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 12:48:33,957 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 12:48:33,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 12:48:33,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 12:48:33,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 12:48:33,974 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 12:48:33,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 12:48:33,975 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 12:48:33,975 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 12:48:33,976 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 12:48:33,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 12:48:33,976 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 12:48:33,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 12:48:33,977 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 12:48:33,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 12:48:33,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 12:48:33,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 12:48:33,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 12:48:33,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 12:48:33,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 12:48:33,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 12:48:33,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 12:48:33,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 12:48:33,979 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 12:48:33,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 12:48:33,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 12:48:33,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 12:48:33,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 12:48:33,980 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 12:48:33,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 12:48:33,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 12:48:33,981 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 12:48:34,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 12:48:34,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 12:48:34,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 12:48:34,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 12:48:34,034 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 12:48:34,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point.cil.out.i [2019-09-10 12:48:34,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6863ab9/463292a3927a4f38b6eeb960383f4922/FLAG8ce591756 [2019-09-10 12:48:35,202 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 12:48:35,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point.cil.out.i [2019-09-10 12:48:35,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6863ab9/463292a3927a4f38b6eeb960383f4922/FLAG8ce591756 [2019-09-10 12:48:35,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6863ab9/463292a3927a4f38b6eeb960383f4922 [2019-09-10 12:48:35,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 12:48:35,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 12:48:35,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 12:48:35,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 12:48:35,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 12:48:35,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:48:35" (1/1) ... [2019-09-10 12:48:35,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0d303e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:48:35, skipping insertion in model container [2019-09-10 12:48:35,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:48:35" (1/1) ... [2019-09-10 12:48:35,515 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 12:48:35,683 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 12:48:38,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 12:48:39,083 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 12:48:39,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 12:48:40,146 INFO L192 MainTranslator]: Completed translation [2019-09-10 12:48:40,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:48:40 WrapperNode [2019-09-10 12:48:40,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 12:48:40,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 12:48:40,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 12:48:40,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 12:48:40,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:48:40" (1/1) ... [2019-09-10 12:48:40,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:48:40" (1/1) ... [2019-09-10 12:48:40,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:48:40" (1/1) ... [2019-09-10 12:48:40,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:48:40" (1/1) ... [2019-09-10 12:48:40,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:48:40" (1/1) ... [2019-09-10 12:48:40,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:48:40" (1/1) ... [2019-09-10 12:48:40,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:48:40" (1/1) ... [2019-09-10 12:48:40,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 12:48:40,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 12:48:40,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 12:48:40,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 12:48:40,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:48:40" (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 12:48:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 12:48:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 12:48:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 12:48:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-10 12:48:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-10 12:48:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-10 12:48:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 12:48:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 12:48:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 12:48:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 12:48:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-10 12:48:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-10 12:48:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 12:48:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 12:48:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 12:48:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 12:48:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 12:48:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 12:48:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 12:48:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 12:48:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 12:48:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-09-10 12:48:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-09-10 12:48:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-09-10 12:48:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 12:48:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-09-10 12:48:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-09-10 12:48:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-10 12:48:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-10 12:48:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-10 12:48:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 12:48:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 12:48:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-09-10 12:48:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2019-09-10 12:48:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_exact [2019-09-10 12:48:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2019-09-10 12:48:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-09-10 12:48:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-09-10 12:48:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-09-10 12:48:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2019-09-10 12:48:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-09-10 12:48:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-09-10 12:48:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-09-10 12:48:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-09-10 12:48:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-09-10 12:48:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-09-10 12:48:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2019-09-10 12:48:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2019-09-10 12:48:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2019-09-10 12:48:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2019-09-10 12:48:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2019-09-10 12:48:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_copy_from_buffer [2019-09-10 12:48:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_copy_to_buffer [2019-09-10 12:48:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_show_stats [2019-09-10 12:48:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_complete [2019-09-10 12:48:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_drain_queue [2019-09-10 12:48:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_queue_event [2019-09-10 12:48:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_read_queue [2019-09-10 12:48:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_severity_lookup [2019-09-10 12:48:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_sync_time [2019-09-10 12:48:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_allocate_memory [2019-09-10 12:48:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_check_bits [2019-09-10 12:48:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_check_srl [2019-09-10 12:48:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_chrdev_ioctl [2019-09-10 12:48:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_chrdev_open [2019-09-10 12:48:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_decode_bits [2019-09-10 12:48:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_empty_response_queue [2019-09-10 12:48:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_empty_response_queue_large [2019-09-10 12:48:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_fill_sense [2019-09-10 12:48:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_free_device_extension [2019-09-10 12:48:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_free_request_id [2019-09-10 12:48:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_get_param [2019-09-10 12:48:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_get_request_id [2019-09-10 12:48:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_initconnection [2019-09-10 12:48:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_initialize_device_extension [2019-09-10 12:48:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_interrupt [2019-09-10 12:48:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_load_sgl [2019-09-10 12:48:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_poll_response [2019-09-10 12:48:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_poll_status [2019-09-10 12:48:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_poll_status_gone [2019-09-10 12:48:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_post_command_packet [2019-09-10 12:48:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_reset_device_extension [2019-09-10 12:48:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_reset_sequence [2019-09-10 12:48:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_biosparam [2019-09-10 12:48:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_eh_reset [2019-09-10 12:48:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_queue_lck [2019-09-10 12:48:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsi_queue [2019-09-10 12:48:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsiop_execute_scsi [2019-09-10 12:48:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsiop_execute_scsi_complete [2019-09-10 12:48:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __twa_shutdown [2019-09-10 12:48:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_shutdown [2019-09-10 12:48:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_string_lookup [2019-09-10 12:48:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_slave_configure [2019-09-10 12:48:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_probe [2019-09-10 12:48:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_remove [2019-09-10 12:48:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_suspend [2019-09-10 12:48:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_resume [2019-09-10 12:48:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_init [2019-09-10 12:48:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_exit [2019-09-10 12:48:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-09-10 12:48:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-09-10 12:48:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2019-09-10 12:48:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-09-10 12:48:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-10 12:48:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-09-10 12:48:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-10 12:48:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-10 12:48:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-10 12:48:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2019-09-10 12:48:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-09-10 12:48:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-10 12:48:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-09-10 12:48:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 12:48:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-09-10 12:48:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-09-10 12:48:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-09-10 12:48:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-09-10 12:48:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-09-10 12:48:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-09-10 12:48:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-09-10 12:48:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_12 [2019-09-10 12:48:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-09-10 12:48:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2019-09-10 12:48:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-09-10 12:48:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-09-10 12:48:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-09-10 12:48:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-09-10 12:48:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_19 [2019-09-10 12:48:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_20 [2019-09-10 12:48:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_21 [2019-09-10 12:48:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_22 [2019-09-10 12:48:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_23 [2019-09-10 12:48:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_24 [2019-09-10 12:48:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2019-09-10 12:48:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_26 [2019-09-10 12:48:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_27 [2019-09-10 12:48:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_28 [2019-09-10 12:48:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_29 [2019-09-10 12:48:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_30 [2019-09-10 12:48:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 12:48:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-10 12:48:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 12:48:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 12:48:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 12:48:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 12:48:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-10 12:48:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-10 12:48:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-10 12:48:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-10 12:48:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-10 12:48:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-10 12:48:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-10 12:48:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-10 12:48:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-10 12:48:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-10 12:48:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-10 12:48:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 12:48:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-10 12:48:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-10 12:48:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-10 12:48:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 12:48:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-10 12:48:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-10 12:48:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-09-10 12:48:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-09-10 12:48:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-09-10 12:48:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-09-10 12:48:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 12:48:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 12:48:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 12:48:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 12:48:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 12:48:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 12:48:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 12:48:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-09-10 12:48:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-10 12:48:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-10 12:48:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-10 12:48:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_twa_chrdev_mutex [2019-09-10 12:48:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_twa_chrdev_mutex [2019-09-10 12:48:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_twa_chrdev_mutex [2019-09-10 12:48:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_twa_chrdev_mutex [2019-09-10 12:48:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_twa_chrdev_mutex [2019-09-10 12:48:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_twa_chrdev_mutex [2019-09-10 12:48:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_twa_chrdev_mutex [2019-09-10 12:48:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_twa_chrdev_mutex [2019-09-10 12:48:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_twa_chrdev_mutex [2019-09-10 12:48:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_twa_chrdev_mutex [2019-09-10 12:48:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_twa_chrdev_mutex [2019-09-10 12:48:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 12:48:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-10 12:48:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-10 12:48:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 12:48:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-09-10 12:48:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-09-10 12:48:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 12:48:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2019-09-10 12:48:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-10 12:48:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-09-10 12:48:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-09-10 12:48:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-10 12:48:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-10 12:48:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-10 12:48:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 12:48:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-10 12:48:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 12:48:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 12:48:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2019-09-10 12:48:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-10 12:48:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-10 12:48:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-09-10 12:48:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2019-09-10 12:48:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-09-10 12:48:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-10 12:48:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-10 12:48:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-09-10 12:48:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-09-10 12:48:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 12:48:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2019-09-10 12:48:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2019-09-10 12:48:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_3 [2019-09-10 12:48:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-10 12:48:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-10 12:48:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-09-10 12:48:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-10 12:48:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 12:48:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-09-10 12:48:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-09-10 12:48:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-09-10 12:48:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-09-10 12:48:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2019-09-10 12:48:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-10 12:48:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_range [2019-09-10 12:48:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-09-10 12:48:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-09-10 12:48:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-09-10 12:48:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-09-10 12:48:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-09-10 12:48:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-09-10 12:48:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_set_mwi [2019-09-10 12:48:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-10 12:48:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-09-10 12:48:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 12:48:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-10 12:48:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-10 12:48:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2019-09-10 12:48:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2019-09-10 12:48:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_get_serial [2019-09-10 12:48:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2019-09-10 12:48:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2019-09-10 12:48:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2019-09-10 12:48:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2019-09-10 12:48:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2019-09-10 12:48:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_scan_host [2019-09-10 12:48:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2019-09-10 12:48:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2019-09-10 12:48:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2019-09-10 12:48:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2019-09-10 12:48:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-10 12:48:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 12:48:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 12:48:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 12:48:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 12:48:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 12:48:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 12:48:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 12:48:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 12:48:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-10 12:48:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-10 12:48:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-10 12:48:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 12:48:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 12:48:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 12:48:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-09-10 12:48:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-09-10 12:48:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-10 12:48:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-10 12:48:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 12:48:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 12:48:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 12:48:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 12:48:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-10 12:48:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-10 12:48:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 12:48:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-10 12:48:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-09-10 12:48:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 12:48:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-09-10 12:48:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-09-10 12:48:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-09-10 12:48:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-09-10 12:48:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-09-10 12:48:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-09-10 12:48:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 12:48:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 12:48:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 12:48:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 12:48:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 12:48:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 12:48:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 12:48:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 12:48:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 12:48:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 12:48:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-10 12:48:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-10 12:48:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 12:48:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 12:48:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 12:48:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 12:48:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 12:48:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-09-10 12:48:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2019-09-10 12:48:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-10 12:48:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-09-10 12:48:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-09-10 12:48:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-09-10 12:48:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-09-10 12:48:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-09-10 12:48:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-10 12:48:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-10 12:48:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-10 12:48:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-10 12:48:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 12:48:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 12:48:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 12:48:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_twa_chrdev_mutex [2019-09-10 12:48:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_twa_chrdev_mutex [2019-09-10 12:48:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 12:48:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-10 12:48:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 12:48:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 12:48:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 12:48:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 12:48:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 12:48:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 12:48:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 12:48:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-10 12:48:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-09-10 12:48:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-10 12:48:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-09-10 12:48:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-09-10 12:48:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-09-10 12:48:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-09-10 12:48:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-09-10 12:48:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-09-10 12:48:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-10 12:48:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 12:48:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 12:48:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-09-10 12:48:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-09-10 12:48:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-09-10 12:48:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-09-10 12:48:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2019-09-10 12:48:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-09-10 12:48:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-10 12:48:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-09-10 12:48:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-10 12:48:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-10 12:48:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-10 12:48:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2019-09-10 12:48:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-09-10 12:48:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-10 12:48:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-09-10 12:48:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-10 12:48:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-10 12:48:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-10 12:48:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-10 12:48:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-10 12:48:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-10 12:48:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-10 12:48:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-10 12:48:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_21 [2019-09-10 12:48:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_27 [2019-09-10 12:48:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-10 12:48:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_19 [2019-09-10 12:48:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_26 [2019-09-10 12:48:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-10 12:48:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 12:48:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 12:48:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 12:48:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-09-10 12:48:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-09-10 12:48:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-10 12:48:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-09-10 12:48:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-09-10 12:48:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_set_mwi [2019-09-10 12:48:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-09-10 12:48:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-09-10 12:48:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-09-10 12:48:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-09-10 12:48:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2019-09-10 12:48:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2019-09-10 12:48:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-09-10 12:48:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-09-10 12:48:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-10 12:48:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_29 [2019-09-10 12:48:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-10 12:48:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_30 [2019-09-10 12:48:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2019-09-10 12:48:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2019-09-10 12:48:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2019-09-10 12:48:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2019-09-10 12:48:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_range [2019-09-10 12:48:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_exact [2019-09-10 12:48:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2019-09-10 12:48:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-09-10 12:48:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-10 12:48:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-10 12:48:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2019-09-10 12:48:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 12:48:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-09-10 12:48:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-09-10 12:48:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-09-10 12:48:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2019-09-10 12:48:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-09-10 12:48:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-09-10 12:48:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-09-10 12:48:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-09-10 12:48:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-09-10 12:48:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-09-10 12:48:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-09-10 12:48:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_22 [2019-09-10 12:48:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-09-10 12:48:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2019-09-10 12:48:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-09-10 12:48:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2019-09-10 12:48:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2019-09-10 12:48:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_20 [2019-09-10 12:48:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2019-09-10 12:48:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_12 [2019-09-10 12:48:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2019-09-10 12:48:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2019-09-10 12:48:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_23 [2019-09-10 12:48:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_24 [2019-09-10 12:48:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_28 [2019-09-10 12:48:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2019-09-10 12:48:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2019-09-10 12:48:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2019-09-10 12:48:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2019-09-10 12:48:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2019-09-10 12:48:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2019-09-10 12:48:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2019-09-10 12:48:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2019-09-10 12:48:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2019-09-10 12:48:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2019-09-10 12:48:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2019-09-10 12:48:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_copy_from_buffer [2019-09-10 12:48:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_copy_to_buffer [2019-09-10 12:48:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_queue_event [2019-09-10 12:48:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_read_queue [2019-09-10 12:48:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_severity_lookup [2019-09-10 12:48:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_sync_time [2019-09-10 12:48:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure twa_chrdev_ioctl [2019-09-10 12:48:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure twa_chrdev_open [2019-09-10 12:48:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure twa_fill_sense [2019-09-10 12:48:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure twa_free_request_id [2019-09-10 12:48:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure twa_get_request_id [2019-09-10 12:48:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure twa_initconnection [2019-09-10 12:48:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure twa_load_sgl [2019-09-10 12:48:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure twa_poll_response [2019-09-10 12:48:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure twa_poll_status_gone [2019-09-10 12:48:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure twa_post_command_packet [2019-09-10 12:48:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure twa_reset_device_extension [2019-09-10 12:48:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure twa_reset_sequence [2019-09-10 12:48:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsiop_execute_scsi [2019-09-10 12:48:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsiop_execute_scsi_complete [2019-09-10 12:48:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure twa_string_lookup [2019-09-10 12:48:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure twa_show_stats [2019-09-10 12:48:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_complete [2019-09-10 12:48:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_drain_queue [2019-09-10 12:48:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 12:48:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 12:48:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure twa_allocate_memory [2019-09-10 12:48:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure twa_check_bits [2019-09-10 12:48:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure twa_check_srl [2019-09-10 12:48:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure twa_decode_bits [2019-09-10 12:48:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure twa_empty_response_queue [2019-09-10 12:48:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure twa_empty_response_queue_large [2019-09-10 12:48:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure twa_free_device_extension [2019-09-10 12:48:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure twa_get_param [2019-09-10 12:48:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure twa_initialize_device_extension [2019-09-10 12:48:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure twa_interrupt [2019-09-10 12:48:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 12:48:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure twa_poll_status [2019-09-10 12:48:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_biosparam [2019-09-10 12:48:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_eh_reset [2019-09-10 12:48:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_queue_lck [2019-09-10 12:48:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsi_queue [2019-09-10 12:48:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure __twa_shutdown [2019-09-10 12:48:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure twa_shutdown [2019-09-10 12:48:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure twa_slave_configure [2019-09-10 12:48:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure twa_probe [2019-09-10 12:48:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure twa_remove [2019-09-10 12:48:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure twa_suspend [2019-09-10 12:48:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure twa_resume [2019-09-10 12:48:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure twa_init [2019-09-10 12:48:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure twa_exit [2019-09-10 12:48:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2019-09-10 12:48:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_3 [2019-09-10 12:48:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2019-09-10 12:48:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 12:48:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 12:48:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 12:48:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 12:48:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-10 12:48:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 12:48:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 12:48:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 12:48:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 12:48:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-10 12:48:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-10 12:48:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-10 12:48:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-10 12:48:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-10 12:48:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-10 12:48:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-10 12:48:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-10 12:48:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-10 12:48:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_ioctl_lock_of_TAG_TW_Device_Extension [2019-09-10 12:48:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 12:48:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-10 12:48:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-10 12:48:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 12:48:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-10 12:48:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-09-10 12:48:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-09-10 12:48:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-09-10 12:48:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-09-10 12:48:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 12:48:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 12:48:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 12:48:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 12:48:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-09-10 12:48:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-10 12:48:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-10 12:48:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-10 12:48:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_twa_chrdev_mutex [2019-09-10 12:48:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_twa_chrdev_mutex [2019-09-10 12:48:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_twa_chrdev_mutex [2019-09-10 12:48:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_twa_chrdev_mutex [2019-09-10 12:48:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_twa_chrdev_mutex [2019-09-10 12:48:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_twa_chrdev_mutex [2019-09-10 12:48:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_twa_chrdev_mutex [2019-09-10 12:48:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_twa_chrdev_mutex [2019-09-10 12:48:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_twa_chrdev_mutex [2019-09-10 12:48:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 12:48:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 12:48:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 12:48:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 12:48:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 12:48:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 12:48:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 12:48:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 12:48:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 12:48:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 12:48:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 12:48:43,354 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 12:51:15,767 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 12:51:15,767 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 12:51:15,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:51:15 BoogieIcfgContainer [2019-09-10 12:51:15,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 12:51:15,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 12:51:15,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 12:51:15,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 12:51:15,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:48:35" (1/3) ... [2019-09-10 12:51:15,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de33e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:51:15, skipping insertion in model container [2019-09-10 12:51:15,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:48:40" (2/3) ... [2019-09-10 12:51:15,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de33e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:51:15, skipping insertion in model container [2019-09-10 12:51:15,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:51:15" (3/3) ... [2019-09-10 12:51:15,777 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point.cil.out.i [2019-09-10 12:51:15,787 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 12:51:15,797 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 12:51:15,814 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 12:51:15,841 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 12:51:15,841 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 12:51:15,841 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 12:51:15,841 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 12:51:15,842 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 12:51:15,842 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 12:51:15,842 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 12:51:15,842 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 12:51:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states. [2019-09-10 12:51:15,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-09-10 12:51:15,916 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:51:15,919 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 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] [2019-09-10 12:51:15,923 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:51:15,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:51:15,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1691577027, now seen corresponding path program 1 times [2019-09-10 12:51:15,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:51:16,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:16,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:51:16,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:16,011 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:51:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:51:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-10 12:51:17,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:51:17,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:51:17,792 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:51:17,797 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:51:17,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:51:17,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:51:17,816 INFO L87 Difference]: Start difference. First operand 2260 states. Second operand 3 states. [2019-09-10 12:51:19,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:51:19,341 INFO L93 Difference]: Finished difference Result 3845 states and 5153 transitions. [2019-09-10 12:51:19,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:51:19,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2019-09-10 12:51:19,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:51:19,414 INFO L225 Difference]: With dead ends: 3845 [2019-09-10 12:51:19,415 INFO L226 Difference]: Without dead ends: 3810 [2019-09-10 12:51:19,417 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 12:51:19,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2019-09-10 12:51:19,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3752. [2019-09-10 12:51:19,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3752 states. [2019-09-10 12:51:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3752 states to 3752 states and 5031 transitions. [2019-09-10 12:51:19,680 INFO L78 Accepts]: Start accepts. Automaton has 3752 states and 5031 transitions. Word has length 182 [2019-09-10 12:51:19,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:51:19,681 INFO L475 AbstractCegarLoop]: Abstraction has 3752 states and 5031 transitions. [2019-09-10 12:51:19,682 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:51:19,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3752 states and 5031 transitions. [2019-09-10 12:51:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-09-10 12:51:19,688 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:51:19,688 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 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] [2019-09-10 12:51:19,689 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:51:19,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:51:19,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1492342111, now seen corresponding path program 1 times [2019-09-10 12:51:19,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:51:19,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:19,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:51:19,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:19,694 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:51:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:51:20,566 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-10 12:51:20,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:51:20,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:51:20,566 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:51:20,570 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:51:20,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:51:20,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:51:20,571 INFO L87 Difference]: Start difference. First operand 3752 states and 5031 transitions. Second operand 3 states. [2019-09-10 12:51:27,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:51:27,037 INFO L93 Difference]: Finished difference Result 7392 states and 9922 transitions. [2019-09-10 12:51:27,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:51:27,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-09-10 12:51:27,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:51:27,123 INFO L225 Difference]: With dead ends: 7392 [2019-09-10 12:51:27,124 INFO L226 Difference]: Without dead ends: 7392 [2019-09-10 12:51:27,125 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 12:51:27,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7392 states. [2019-09-10 12:51:27,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7392 to 7385. [2019-09-10 12:51:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7385 states. [2019-09-10 12:51:27,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7385 states to 7385 states and 9916 transitions. [2019-09-10 12:51:27,532 INFO L78 Accepts]: Start accepts. Automaton has 7385 states and 9916 transitions. Word has length 188 [2019-09-10 12:51:27,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:51:27,535 INFO L475 AbstractCegarLoop]: Abstraction has 7385 states and 9916 transitions. [2019-09-10 12:51:27,535 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:51:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 7385 states and 9916 transitions. [2019-09-10 12:51:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-09-10 12:51:27,540 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:51:27,541 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 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] [2019-09-10 12:51:27,541 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:51:27,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:51:27,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1921611290, now seen corresponding path program 1 times [2019-09-10 12:51:27,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:51:27,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:27,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:51:27,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:27,548 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:51:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:51:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-10 12:51:28,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:51:28,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:51:28,211 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:51:28,212 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:51:28,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:51:28,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:51:28,213 INFO L87 Difference]: Start difference. First operand 7385 states and 9916 transitions. Second operand 3 states. [2019-09-10 12:51:37,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:51:37,409 INFO L93 Difference]: Finished difference Result 13589 states and 18365 transitions. [2019-09-10 12:51:37,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:51:37,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2019-09-10 12:51:37,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:51:37,504 INFO L225 Difference]: With dead ends: 13589 [2019-09-10 12:51:37,504 INFO L226 Difference]: Without dead ends: 13589 [2019-09-10 12:51:37,504 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 12:51:37,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13589 states. [2019-09-10 12:51:37,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13589 to 13482. [2019-09-10 12:51:37,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13482 states. [2019-09-10 12:51:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13482 states to 13482 states and 18247 transitions. [2019-09-10 12:51:37,951 INFO L78 Accepts]: Start accepts. Automaton has 13482 states and 18247 transitions. Word has length 195 [2019-09-10 12:51:37,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:51:37,951 INFO L475 AbstractCegarLoop]: Abstraction has 13482 states and 18247 transitions. [2019-09-10 12:51:37,951 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:51:37,952 INFO L276 IsEmpty]: Start isEmpty. Operand 13482 states and 18247 transitions. [2019-09-10 12:51:37,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-09-10 12:51:37,956 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:51:37,957 INFO L399 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1] [2019-09-10 12:51:37,957 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:51:37,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:51:37,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1680201804, now seen corresponding path program 1 times [2019-09-10 12:51:37,958 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:51:37,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:37,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:51:37,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:37,961 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:51:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:51:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2019-09-10 12:51:38,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:51:38,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:51:38,623 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:51:38,624 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:51:38,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:51:38,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:51:38,624 INFO L87 Difference]: Start difference. First operand 13482 states and 18247 transitions. Second operand 3 states. [2019-09-10 12:51:45,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:51:45,591 INFO L93 Difference]: Finished difference Result 13495 states and 18259 transitions. [2019-09-10 12:51:45,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:51:45,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2019-09-10 12:51:45,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:51:45,715 INFO L225 Difference]: With dead ends: 13495 [2019-09-10 12:51:45,715 INFO L226 Difference]: Without dead ends: 13495 [2019-09-10 12:51:45,715 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 12:51:45,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13495 states. [2019-09-10 12:51:46,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13495 to 13482. [2019-09-10 12:51:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13482 states. [2019-09-10 12:51:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13482 states to 13482 states and 18243 transitions. [2019-09-10 12:51:46,128 INFO L78 Accepts]: Start accepts. Automaton has 13482 states and 18243 transitions. Word has length 209 [2019-09-10 12:51:46,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:51:46,130 INFO L475 AbstractCegarLoop]: Abstraction has 13482 states and 18243 transitions. [2019-09-10 12:51:46,131 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:51:46,131 INFO L276 IsEmpty]: Start isEmpty. Operand 13482 states and 18243 transitions. [2019-09-10 12:51:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-09-10 12:51:46,136 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:51:46,136 INFO L399 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1] [2019-09-10 12:51:46,136 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:51:46,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:51:46,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1622943502, now seen corresponding path program 1 times [2019-09-10 12:51:46,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:51:46,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:46,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:51:46,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:46,141 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:51:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:51:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2019-09-10 12:51:46,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:51:46,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:51:46,903 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:51:46,904 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:51:46,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:51:46,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:51:46,905 INFO L87 Difference]: Start difference. First operand 13482 states and 18243 transitions. Second operand 3 states. [2019-09-10 12:51:47,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:51:47,009 INFO L93 Difference]: Finished difference Result 13481 states and 18241 transitions. [2019-09-10 12:51:47,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:51:47,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2019-09-10 12:51:47,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:51:47,082 INFO L225 Difference]: With dead ends: 13481 [2019-09-10 12:51:47,083 INFO L226 Difference]: Without dead ends: 13481 [2019-09-10 12:51:47,083 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 12:51:47,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13481 states. [2019-09-10 12:51:47,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13481 to 13481. [2019-09-10 12:51:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13481 states. [2019-09-10 12:51:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13481 states to 13481 states and 18241 transitions. [2019-09-10 12:51:47,515 INFO L78 Accepts]: Start accepts. Automaton has 13481 states and 18241 transitions. Word has length 209 [2019-09-10 12:51:47,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:51:47,519 INFO L475 AbstractCegarLoop]: Abstraction has 13481 states and 18241 transitions. [2019-09-10 12:51:47,519 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:51:47,519 INFO L276 IsEmpty]: Start isEmpty. Operand 13481 states and 18241 transitions. [2019-09-10 12:51:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-09-10 12:51:47,524 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:51:47,524 INFO L399 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1] [2019-09-10 12:51:47,525 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:51:47,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:51:47,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1227492152, now seen corresponding path program 1 times [2019-09-10 12:51:47,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:51:47,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:47,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:51:47,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:47,529 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:51:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:51:48,257 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2019-09-10 12:51:48,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:51:48,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:51:48,258 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:51:48,258 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:51:48,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:51:48,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:51:48,259 INFO L87 Difference]: Start difference. First operand 13481 states and 18241 transitions. Second operand 3 states. [2019-09-10 12:51:48,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:51:48,480 INFO L93 Difference]: Finished difference Result 26602 states and 36037 transitions. [2019-09-10 12:51:48,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:51:48,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2019-09-10 12:51:48,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:51:48,606 INFO L225 Difference]: With dead ends: 26602 [2019-09-10 12:51:48,606 INFO L226 Difference]: Without dead ends: 26602 [2019-09-10 12:51:48,607 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 12:51:48,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26602 states. [2019-09-10 12:51:50,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26602 to 26567. [2019-09-10 12:51:50,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26567 states. [2019-09-10 12:51:50,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26567 states to 26567 states and 36003 transitions. [2019-09-10 12:51:50,413 INFO L78 Accepts]: Start accepts. Automaton has 26567 states and 36003 transitions. Word has length 210 [2019-09-10 12:51:50,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:51:50,413 INFO L475 AbstractCegarLoop]: Abstraction has 26567 states and 36003 transitions. [2019-09-10 12:51:50,413 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:51:50,414 INFO L276 IsEmpty]: Start isEmpty. Operand 26567 states and 36003 transitions. [2019-09-10 12:51:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-09-10 12:51:50,418 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:51:50,418 INFO L399 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1] [2019-09-10 12:51:50,418 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:51:50,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:51:50,422 INFO L82 PathProgramCache]: Analyzing trace with hash -603310923, now seen corresponding path program 1 times [2019-09-10 12:51:50,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:51:50,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:50,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:51:50,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:50,426 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:51:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:51:51,133 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2019-09-10 12:51:51,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:51:51,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:51:51,134 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:51:51,135 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:51:51,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:51:51,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:51:51,136 INFO L87 Difference]: Start difference. First operand 26567 states and 36003 transitions. Second operand 3 states. [2019-09-10 12:51:51,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:51:51,303 INFO L93 Difference]: Finished difference Result 26566 states and 36001 transitions. [2019-09-10 12:51:51,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:51:51,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-09-10 12:51:51,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:51:51,435 INFO L225 Difference]: With dead ends: 26566 [2019-09-10 12:51:51,435 INFO L226 Difference]: Without dead ends: 26566 [2019-09-10 12:51:51,436 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 12:51:51,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26566 states. [2019-09-10 12:51:51,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26566 to 26566. [2019-09-10 12:51:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26566 states. [2019-09-10 12:51:52,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26566 states to 26566 states and 36001 transitions. [2019-09-10 12:51:52,098 INFO L78 Accepts]: Start accepts. Automaton has 26566 states and 36001 transitions. Word has length 211 [2019-09-10 12:51:52,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:51:52,098 INFO L475 AbstractCegarLoop]: Abstraction has 26566 states and 36001 transitions. [2019-09-10 12:51:52,098 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:51:52,099 INFO L276 IsEmpty]: Start isEmpty. Operand 26566 states and 36001 transitions. [2019-09-10 12:51:52,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-09-10 12:51:52,103 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:51:52,104 INFO L399 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:51:52,104 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:51:52,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:51:52,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1523626533, now seen corresponding path program 1 times [2019-09-10 12:51:52,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:51:52,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:52,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:51:52,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:52,108 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:51:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:51:52,815 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2019-09-10 12:51:52,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:51:52,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:51:52,816 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:51:52,818 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:51:52,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:51:52,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:51:52,818 INFO L87 Difference]: Start difference. First operand 26566 states and 36001 transitions. Second operand 3 states. [2019-09-10 12:51:53,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:51:53,000 INFO L93 Difference]: Finished difference Result 26565 states and 35999 transitions. [2019-09-10 12:51:53,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:51:53,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2019-09-10 12:51:53,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:51:53,122 INFO L225 Difference]: With dead ends: 26565 [2019-09-10 12:51:53,122 INFO L226 Difference]: Without dead ends: 26565 [2019-09-10 12:51:53,123 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 12:51:53,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26565 states. [2019-09-10 12:51:53,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26565 to 26565. [2019-09-10 12:51:53,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26565 states. [2019-09-10 12:51:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26565 states to 26565 states and 35999 transitions. [2019-09-10 12:51:53,822 INFO L78 Accepts]: Start accepts. Automaton has 26565 states and 35999 transitions. Word has length 212 [2019-09-10 12:51:53,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:51:53,824 INFO L475 AbstractCegarLoop]: Abstraction has 26565 states and 35999 transitions. [2019-09-10 12:51:53,824 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:51:53,824 INFO L276 IsEmpty]: Start isEmpty. Operand 26565 states and 35999 transitions. [2019-09-10 12:51:53,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-09-10 12:51:53,828 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:51:53,828 INFO L399 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:51:53,829 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:51:53,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:51:53,830 INFO L82 PathProgramCache]: Analyzing trace with hash 11365496, now seen corresponding path program 1 times [2019-09-10 12:51:53,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:51:53,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:53,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:51:53,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:53,835 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:51:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:51:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2019-09-10 12:51:54,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:51:54,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:51:54,550 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:51:54,551 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:51:54,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:51:54,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:51:54,552 INFO L87 Difference]: Start difference. First operand 26565 states and 35999 transitions. Second operand 3 states. [2019-09-10 12:51:54,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:51:54,756 INFO L93 Difference]: Finished difference Result 33794 states and 45562 transitions. [2019-09-10 12:51:54,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:51:54,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-09-10 12:51:54,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:51:54,893 INFO L225 Difference]: With dead ends: 33794 [2019-09-10 12:51:54,893 INFO L226 Difference]: Without dead ends: 33775 [2019-09-10 12:51:54,893 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 12:51:54,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33775 states. [2019-09-10 12:51:55,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33775 to 31572. [2019-09-10 12:51:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31572 states. [2019-09-10 12:51:55,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31572 states to 31572 states and 42576 transitions. [2019-09-10 12:51:55,638 INFO L78 Accepts]: Start accepts. Automaton has 31572 states and 42576 transitions. Word has length 213 [2019-09-10 12:51:55,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:51:55,638 INFO L475 AbstractCegarLoop]: Abstraction has 31572 states and 42576 transitions. [2019-09-10 12:51:55,639 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:51:55,639 INFO L276 IsEmpty]: Start isEmpty. Operand 31572 states and 42576 transitions. [2019-09-10 12:51:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-09-10 12:51:55,670 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:51:55,671 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:51:55,671 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:51:55,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:51:55,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1286558712, now seen corresponding path program 1 times [2019-09-10 12:51:55,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:51:55,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:55,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:51:55,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:51:55,676 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:51:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:51:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2019-09-10 12:51:56,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:51:56,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:51:56,415 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:51:56,416 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:51:56,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:51:56,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:51:56,417 INFO L87 Difference]: Start difference. First operand 31572 states and 42576 transitions. Second operand 3 states. [2019-09-10 12:52:05,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:52:05,084 INFO L93 Difference]: Finished difference Result 53216 states and 71824 transitions. [2019-09-10 12:52:05,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:52:05,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 334 [2019-09-10 12:52:05,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:52:05,309 INFO L225 Difference]: With dead ends: 53216 [2019-09-10 12:52:05,310 INFO L226 Difference]: Without dead ends: 53216 [2019-09-10 12:52:05,310 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 12:52:05,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53216 states. [2019-09-10 12:52:07,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53216 to 50912. [2019-09-10 12:52:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50912 states. [2019-09-10 12:52:07,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50912 states to 50912 states and 68746 transitions. [2019-09-10 12:52:07,845 INFO L78 Accepts]: Start accepts. Automaton has 50912 states and 68746 transitions. Word has length 334 [2019-09-10 12:52:07,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:52:07,846 INFO L475 AbstractCegarLoop]: Abstraction has 50912 states and 68746 transitions. [2019-09-10 12:52:07,846 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:52:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 50912 states and 68746 transitions. [2019-09-10 12:52:07,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-09-10 12:52:07,884 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:52:07,885 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:52:07,885 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:52:07,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:52:07,886 INFO L82 PathProgramCache]: Analyzing trace with hash -303388364, now seen corresponding path program 1 times [2019-09-10 12:52:07,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:52:07,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:07,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:52:07,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:07,890 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:52:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:52:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2019-09-10 12:52:08,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:52:08,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 12:52:08,681 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:52:08,682 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 12:52:08,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 12:52:08,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 12:52:08,682 INFO L87 Difference]: Start difference. First operand 50912 states and 68746 transitions. Second operand 7 states. [2019-09-10 12:52:09,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:52:09,064 INFO L93 Difference]: Finished difference Result 52408 states and 71246 transitions. [2019-09-10 12:52:09,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 12:52:09,064 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 376 [2019-09-10 12:52:09,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:52:09,286 INFO L225 Difference]: With dead ends: 52408 [2019-09-10 12:52:09,287 INFO L226 Difference]: Without dead ends: 52408 [2019-09-10 12:52:09,288 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 12:52:09,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52408 states. [2019-09-10 12:52:10,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52408 to 51024. [2019-09-10 12:52:10,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51024 states. [2019-09-10 12:52:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51024 states to 51024 states and 68906 transitions. [2019-09-10 12:52:10,447 INFO L78 Accepts]: Start accepts. Automaton has 51024 states and 68906 transitions. Word has length 376 [2019-09-10 12:52:10,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:52:10,448 INFO L475 AbstractCegarLoop]: Abstraction has 51024 states and 68906 transitions. [2019-09-10 12:52:10,448 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 12:52:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 51024 states and 68906 transitions. [2019-09-10 12:52:10,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-09-10 12:52:10,486 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:52:10,487 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:52:10,487 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:52:10,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:52:10,488 INFO L82 PathProgramCache]: Analyzing trace with hash -983167865, now seen corresponding path program 1 times [2019-09-10 12:52:10,488 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:52:10,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:10,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:52:10,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:10,491 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:52:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:52:11,366 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2019-09-10 12:52:11,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:52:11,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 12:52:11,367 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:52:11,368 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 12:52:11,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 12:52:11,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 12:52:11,369 INFO L87 Difference]: Start difference. First operand 51024 states and 68906 transitions. Second operand 7 states. [2019-09-10 12:52:11,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:52:11,745 INFO L93 Difference]: Finished difference Result 51152 states and 69066 transitions. [2019-09-10 12:52:11,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 12:52:11,746 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 387 [2019-09-10 12:52:11,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:52:11,965 INFO L225 Difference]: With dead ends: 51152 [2019-09-10 12:52:11,966 INFO L226 Difference]: Without dead ends: 51152 [2019-09-10 12:52:11,967 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 12:52:12,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51152 states. [2019-09-10 12:52:12,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51152 to 51152. [2019-09-10 12:52:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51152 states. [2019-09-10 12:52:12,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51152 states to 51152 states and 69066 transitions. [2019-09-10 12:52:12,867 INFO L78 Accepts]: Start accepts. Automaton has 51152 states and 69066 transitions. Word has length 387 [2019-09-10 12:52:12,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:52:12,868 INFO L475 AbstractCegarLoop]: Abstraction has 51152 states and 69066 transitions. [2019-09-10 12:52:12,868 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 12:52:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 51152 states and 69066 transitions. [2019-09-10 12:52:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-09-10 12:52:12,904 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:52:12,905 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:52:12,905 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:52:12,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:52:12,905 INFO L82 PathProgramCache]: Analyzing trace with hash 811017480, now seen corresponding path program 1 times [2019-09-10 12:52:12,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:52:12,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:12,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:52:12,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:12,909 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:52:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:52:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2019-09-10 12:52:15,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:52:15,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:52:15,721 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:52:15,722 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:52:15,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:52:15,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:52:15,723 INFO L87 Difference]: Start difference. First operand 51152 states and 69066 transitions. Second operand 3 states. [2019-09-10 12:52:16,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:52:16,064 INFO L93 Difference]: Finished difference Result 51224 states and 69110 transitions. [2019-09-10 12:52:16,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:52:16,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 387 [2019-09-10 12:52:16,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:52:16,289 INFO L225 Difference]: With dead ends: 51224 [2019-09-10 12:52:16,290 INFO L226 Difference]: Without dead ends: 51224 [2019-09-10 12:52:16,290 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 12:52:16,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51224 states. [2019-09-10 12:52:16,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51224 to 51164. [2019-09-10 12:52:16,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51164 states. [2019-09-10 12:52:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51164 states to 51164 states and 69022 transitions. [2019-09-10 12:52:17,055 INFO L78 Accepts]: Start accepts. Automaton has 51164 states and 69022 transitions. Word has length 387 [2019-09-10 12:52:17,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:52:17,055 INFO L475 AbstractCegarLoop]: Abstraction has 51164 states and 69022 transitions. [2019-09-10 12:52:17,055 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:52:17,056 INFO L276 IsEmpty]: Start isEmpty. Operand 51164 states and 69022 transitions. [2019-09-10 12:52:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-09-10 12:52:17,074 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:52:17,074 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:52:17,074 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:52:17,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:52:17,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1452785097, now seen corresponding path program 1 times [2019-09-10 12:52:17,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:52:17,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:17,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:52:17,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:17,077 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:52:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:52:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2019-09-10 12:52:17,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:52:17,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:52:17,772 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:52:17,772 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:52:17,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:52:17,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:52:17,773 INFO L87 Difference]: Start difference. First operand 51164 states and 69022 transitions. Second operand 3 states. [2019-09-10 12:52:18,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:52:18,185 INFO L93 Difference]: Finished difference Result 51468 states and 69461 transitions. [2019-09-10 12:52:18,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:52:18,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 376 [2019-09-10 12:52:18,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:52:18,399 INFO L225 Difference]: With dead ends: 51468 [2019-09-10 12:52:18,399 INFO L226 Difference]: Without dead ends: 51468 [2019-09-10 12:52:18,401 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 12:52:18,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51468 states. [2019-09-10 12:52:19,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51468 to 51213. [2019-09-10 12:52:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51213 states. [2019-09-10 12:52:19,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51213 states to 51213 states and 69071 transitions. [2019-09-10 12:52:19,240 INFO L78 Accepts]: Start accepts. Automaton has 51213 states and 69071 transitions. Word has length 376 [2019-09-10 12:52:19,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:52:19,241 INFO L475 AbstractCegarLoop]: Abstraction has 51213 states and 69071 transitions. [2019-09-10 12:52:19,241 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:52:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand 51213 states and 69071 transitions. [2019-09-10 12:52:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2019-09-10 12:52:19,263 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:52:19,264 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:52:19,264 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:52:19,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:52:19,265 INFO L82 PathProgramCache]: Analyzing trace with hash -428091906, now seen corresponding path program 1 times [2019-09-10 12:52:19,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:52:19,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:19,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:52:19,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:19,269 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:52:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:52:20,062 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-09-10 12:52:20,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:52:20,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 12:52:20,063 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:52:20,064 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 12:52:20,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 12:52:20,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 12:52:20,064 INFO L87 Difference]: Start difference. First operand 51213 states and 69071 transitions. Second operand 3 states. [2019-09-10 12:52:20,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:52:20,383 INFO L93 Difference]: Finished difference Result 52539 states and 71162 transitions. [2019-09-10 12:52:20,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 12:52:20,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 396 [2019-09-10 12:52:20,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:52:20,534 INFO L225 Difference]: With dead ends: 52539 [2019-09-10 12:52:20,534 INFO L226 Difference]: Without dead ends: 52539 [2019-09-10 12:52:20,535 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 12:52:20,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52539 states. [2019-09-10 12:52:21,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52539 to 51252. [2019-09-10 12:52:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51252 states. [2019-09-10 12:52:21,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51252 states to 51252 states and 69110 transitions. [2019-09-10 12:52:21,567 INFO L78 Accepts]: Start accepts. Automaton has 51252 states and 69110 transitions. Word has length 396 [2019-09-10 12:52:21,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:52:21,567 INFO L475 AbstractCegarLoop]: Abstraction has 51252 states and 69110 transitions. [2019-09-10 12:52:21,568 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 12:52:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand 51252 states and 69110 transitions. [2019-09-10 12:52:21,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2019-09-10 12:52:21,592 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:52:21,593 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2019-09-10 12:52:21,594 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:52:21,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:52:21,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1764950361, now seen corresponding path program 1 times [2019-09-10 12:52:21,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:52:21,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:21,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:52:21,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:21,597 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:52:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:52:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2019-09-10 12:52:22,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 12:52:22,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 12:52:22,351 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:52:22,352 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 12:52:22,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 12:52:22,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 12:52:22,352 INFO L87 Difference]: Start difference. First operand 51252 states and 69110 transitions. Second operand 6 states. [2019-09-10 12:52:22,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:52:22,705 INFO L93 Difference]: Finished difference Result 52695 states and 71318 transitions. [2019-09-10 12:52:22,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 12:52:22,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 402 [2019-09-10 12:52:22,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:52:22,864 INFO L225 Difference]: With dead ends: 52695 [2019-09-10 12:52:22,864 INFO L226 Difference]: Without dead ends: 52695 [2019-09-10 12:52:22,865 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-10 12:52:22,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52695 states. [2019-09-10 12:52:23,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52695 to 51447. [2019-09-10 12:52:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51447 states. [2019-09-10 12:52:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51447 states to 51447 states and 69305 transitions. [2019-09-10 12:52:23,616 INFO L78 Accepts]: Start accepts. Automaton has 51447 states and 69305 transitions. Word has length 402 [2019-09-10 12:52:23,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:52:23,617 INFO L475 AbstractCegarLoop]: Abstraction has 51447 states and 69305 transitions. [2019-09-10 12:52:23,617 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 12:52:23,617 INFO L276 IsEmpty]: Start isEmpty. Operand 51447 states and 69305 transitions. [2019-09-10 12:52:23,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-09-10 12:52:23,655 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 12:52:23,656 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 12:52:23,656 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 12:52:23,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:52:23,657 INFO L82 PathProgramCache]: Analyzing trace with hash -167331835, now seen corresponding path program 1 times [2019-09-10 12:52:23,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 12:52:23,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:23,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 12:52:23,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 12:52:23,660 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 12:52:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 12:52:24,387 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2019-09-10 12:52:24,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 12:52:24,387 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 12:52:24,389 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 423 with the following transitions: [2019-09-10 12:52:24,392 INFO L207 CegarAbsIntRunner]: [8], [11], [339], [341], [352], [355], [357], [360], [370], [375], [377], [390], [395], [398], [403], [405], [609], [610], [617], [620], [631], [647], [653], [654], [655], [656], [774], [887], [888], [914], [917], [918], [948], [954], [955], [1106], [1108], [1109], [1110], [1111], [1122], [1123], [1124], [1125], [1220], [1242], [1248], [1251], [1254], [1257], [1261], [1314], [1316], [1318], [1319], [1338], [1339], [1340], [1342], [1343], [1393], [1394], [1437], [1439], [1570], [1571], [1752], [1754], [1755], [1986], [2040], [2041], [2161], [2163], [2164], [2343], [2344], [2409], [2411], [2415], [2416], [2421], [2423], [2424], [2425], [2431], [2433], [2434], [2787], [2789], [2790], [2860], [2862], [2864], [2866], [2868], [2870], [2872], [2874], [2877], [2879], [2881], [2883], [2885], [2887], [2889], [2891], [2924], [2927], [2930], [2943], [2956], [2969], [2982], [2985], [2988], [3009], [3021], [3024], [3027], [3039], [3042], [3045], [3047], [3050], [3058], [3077], [3080], [3083], [3086], [3089], [3091], [3094], [3412], [3413], [3558], [3559], [3645], [3648], [3866], [3868], [3870], [3872], [3874], [3876], [3878], [3881], [3885], [3888], [3906], [3908], [3912], [3914], [3916], [3920], [3922], [3924], [3926], [3929], [3937], [3938], [3939], [3941], [3943], [3944], [4054], [4055], [4085], [4088], [4097], [4098], [4159], [4161], [4162], [4271], [4272], [4275], [4276], [4277], [4278], [4300], [4302], [4304], [4311], [4338], [4340], [4341], [4479], [4481], [4484], [4489], [4490], [4522], [4523], [4524], [4525], [4604], [4605], [4606], [4607], [4608], [4609], [4610], [4611], [4614], [4615], [4616], [4617], [4618], [4619], [4666], [4667], [4672], [4673], [4674], [4675], [4676], [4718], [4806], [4807], [4858], [4859], [4872], [4873], [4896], [4897], [4984], [4985], [5056], [5057], [5110], [5111], [5114], [5115], [5212], [5213], [5234], [5235], [5236], [5237], [5238], [5239], [5240], [5241], [5242], [5243], [5244], [5245], [5246], [5247], [5248], [5249], [5250], [5251], [5252], [5253], [5254], [5255], [5256], [5257], [5258], [5259], [5260], [5261], [5262], [5263], [5276], [5284], [5285], [5288], [5289], [5382], [5422], [5423], [5424], [5425], [5426], [5427], [5428], [5429], [5430], [5431], [5436], [5437], [5438], [5439], [5444], [5445], [5446], [5447], [5502], [5503], [5544], [5545], [5546], [5547], [5604], [5605], [5606], [5608], [5609], [5610], [5611] [2019-09-10 12:52:24,466 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 12:52:24,466 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 12:52:25,164 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 12:52:25,166 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 968 root evaluator evaluations with a maximum evaluation depth of 0. Performed 968 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 1854 variables. [2019-09-10 12:52:25,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 12:52:25,170 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 12:52:25,337 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 12:52:25,337 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 12:52:25,356 INFO L420 sIntCurrentIteration]: We unified 421 AI predicates to 421 [2019-09-10 12:52:25,356 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 12:52:25,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 12:52:25,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-10 12:52:25,359 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 12:52:25,360 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 12:52:25,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 12:52:25,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 12:52:25,361 INFO L87 Difference]: Start difference. First operand 51447 states and 69305 transitions. Second operand 2 states. [2019-09-10 12:52:25,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 12:52:25,362 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 12:52:25,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 12:52:25,362 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 422 [2019-09-10 12:52:25,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 12:52:25,363 INFO L225 Difference]: With dead ends: 2 [2019-09-10 12:52:25,363 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 12:52:25,364 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 421 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 12:52:25,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 12:52:25,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 12:52:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 12:52:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 12:52:25,366 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 422 [2019-09-10 12:52:25,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 12:52:25,366 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 12:52:25,366 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 12:52:25,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 12:52:25,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 12:52:25,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:52:25 BoogieIcfgContainer [2019-09-10 12:52:25,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 12:52:25,381 INFO L168 Benchmark]: Toolchain (without parser) took 229879.12 ms. Allocated memory was 132.6 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 76.9 MB in the beginning and 320.8 MB in the end (delta: -243.9 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-09-10 12:52:25,383 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 12:52:25,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4649.33 ms. Allocated memory was 132.6 MB in the beginning and 285.7 MB in the end (delta: 153.1 MB). Free memory was 76.6 MB in the beginning and 183.0 MB in the end (delta: -106.3 MB). Peak memory consumption was 167.5 MB. Max. memory is 7.1 GB. [2019-09-10 12:52:25,391 INFO L168 Benchmark]: Boogie Preprocessor took 623.75 ms. Allocated memory is still 285.7 MB. Free memory was 183.0 MB in the beginning and 109.1 MB in the end (delta: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2019-09-10 12:52:25,393 INFO L168 Benchmark]: RCFGBuilder took 154996.43 ms. Allocated memory was 285.7 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 109.1 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2019-09-10 12:52:25,397 INFO L168 Benchmark]: TraceAbstraction took 69604.88 ms. Allocated memory was 2.7 GB in the beginning and 3.0 GB in the end (delta: 272.1 MB). Free memory was 2.4 GB in the beginning and 320.8 MB in the end (delta: 2.1 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2019-09-10 12:52:25,408 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4649.33 ms. Allocated memory was 132.6 MB in the beginning and 285.7 MB in the end (delta: 153.1 MB). Free memory was 76.6 MB in the beginning and 183.0 MB in the end (delta: -106.3 MB). Peak memory consumption was 167.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 623.75 ms. Allocated memory is still 285.7 MB. Free memory was 183.0 MB in the beginning and 109.1 MB in the end (delta: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 154996.43 ms. Allocated memory was 285.7 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 109.1 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * TraceAbstraction took 69604.88 ms. Allocated memory was 2.7 GB in the beginning and 3.0 GB in the end (delta: 272.1 MB). Free memory was 2.4 GB in the beginning and 320.8 MB in the end (delta: 2.1 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8944]: 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 275 procedures, 2441 locations, 1 error locations. SAFE Result, 69.5s OverallTime, 17 OverallIterations, 8 TraceHistogramMax, 38.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 46744 SDtfs, 24836 SDslu, 59468 SDs, 0 SdLazy, 229 SolverSat, 39 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 29.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51447occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.330166270783848 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 13.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 8961 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 4909 NumberOfCodeBlocks, 4909 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4892 ConstructedInterpolants, 0 QuantifiedInterpolants, 1715963 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 16 PerfectInterpolantSequences, 7386/7395 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...