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--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 01:59:38,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 01:59:38,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 01:59:38,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 01:59:38,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 01:59:38,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 01:59:38,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 01:59:38,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 01:59:38,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 01:59:38,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 01:59:38,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 01:59:38,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 01:59:38,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 01:59:39,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 01:59:39,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 01:59:39,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 01:59:39,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 01:59:39,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 01:59:39,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 01:59:39,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 01:59:39,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 01:59:39,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 01:59:39,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 01:59:39,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 01:59:39,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 01:59:39,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 01:59:39,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 01:59:39,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 01:59:39,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 01:59:39,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 01:59:39,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 01:59:39,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 01:59:39,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 01:59:39,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 01:59:39,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 01:59:39,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 01:59:39,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 01:59:39,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 01:59:39,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 01:59:39,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 01:59:39,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 01:59:39,027 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 [2019-10-03 01:59:39,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 01:59:39,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 01:59:39,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 01:59:39,044 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 01:59:39,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 01:59:39,045 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 01:59:39,045 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 01:59:39,045 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 01:59:39,046 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 01:59:39,046 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 01:59:39,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 01:59:39,047 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 01:59:39,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 01:59:39,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 01:59:39,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 01:59:39,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 01:59:39,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 01:59:39,048 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 01:59:39,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 01:59:39,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 01:59:39,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 01:59:39,049 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 01:59:39,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 01:59:39,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:59:39,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 01:59:39,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 01:59:39,050 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 01:59:39,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 01:59:39,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 01:59:39,050 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 01:59:39,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 01:59:39,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 01:59:39,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 01:59:39,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 01:59:39,098 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 01:59:39,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-03 01:59:39,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc92b1e6c/8cca01a824ad497ebe9212e42f3fbecc/FLAG0f6151069 [2019-10-03 01:59:39,952 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 01:59:39,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-03 01:59:40,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc92b1e6c/8cca01a824ad497ebe9212e42f3fbecc/FLAG0f6151069 [2019-10-03 01:59:40,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc92b1e6c/8cca01a824ad497ebe9212e42f3fbecc [2019-10-03 01:59:40,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 01:59:40,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 01:59:40,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 01:59:40,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 01:59:40,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 01:59:40,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:59:40" (1/1) ... [2019-10-03 01:59:40,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21960f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:59:40, skipping insertion in model container [2019-10-03 01:59:40,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:59:40" (1/1) ... [2019-10-03 01:59:40,554 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 01:59:40,671 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 01:59:42,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:59:42,378 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 01:59:42,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:59:42,867 INFO L192 MainTranslator]: Completed translation [2019-10-03 01:59:42,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:59:42 WrapperNode [2019-10-03 01:59:42,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 01:59:42,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 01:59:42,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 01:59:42,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 01:59:42,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:59:42" (1/1) ... [2019-10-03 01:59:42,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:59:42" (1/1) ... [2019-10-03 01:59:43,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:59:42" (1/1) ... [2019-10-03 01:59:43,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:59:42" (1/1) ... [2019-10-03 01:59:43,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:59:42" (1/1) ... [2019-10-03 01:59:43,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:59:42" (1/1) ... [2019-10-03 01:59:43,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:59:42" (1/1) ... [2019-10-03 01:59:43,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 01:59:43,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 01:59:43,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 01:59:43,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 01:59:43,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:59:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:59:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 01:59:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 01:59:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-03 01:59:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-03 01:59:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 01:59:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 01:59:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-03 01:59:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-03 01:59:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 01:59:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 01:59:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 01:59:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 01:59:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 01:59:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 01:59:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 01:59:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-03 01:59:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-03 01:59:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-03 01:59:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-03 01:59:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-03 01:59:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-03 01:59:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-03 01:59:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-03 01:59:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-03 01:59:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-03 01:59:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-03 01:59:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-03 01:59:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 01:59:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-03 01:59:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-03 01:59:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-03 01:59:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-03 01:59:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-03 01:59:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-03 01:59:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-03 01:59:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-03 01:59:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-03 01:59:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-03 01:59:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-03 01:59:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-03 01:59:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-03 01:59:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-03 01:59:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-03 01:59:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-03 01:59:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-03 01:59:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-03 01:59:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-03 01:59:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-03 01:59:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-03 01:59:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-03 01:59:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-03 01:59:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-03 01:59:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-03 01:59:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-03 01:59:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-03 01:59:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-03 01:59:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-03 01:59:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-03 01:59:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-03 01:59:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-03 01:59:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-03 01:59:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-03 01:59:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-03 01:59:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-03 01:59:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2019-10-03 01:59:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-03 01:59:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2019-10-03 01:59:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_class_interface_1 [2019-10-03 01:59:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 01:59:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-10-03 01:59:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2019-10-03 01:59:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2019-10-03 01:59:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_22 [2019-10-03 01:59:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-03 01:59:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-03 01:59:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-03 01:59:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-03 01:59:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-03 01:59:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-03 01:59:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-03 01:59:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-03 01:59:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-03 01:59:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-10-03 01:59:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2019-10-03 01:59:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 01:59:43,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-03 01:59:43,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 01:59:43,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 01:59:43,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 01:59:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 01:59:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-03 01:59:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-03 01:59:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-03 01:59:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-03 01:59:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 01:59:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-03 01:59:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-03 01:59:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-03 01:59:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-03 01:59:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-03 01:59:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-03 01:59:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-03 01:59:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-03 01:59:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 01:59:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 01:59:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 01:59:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 01:59:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 01:59:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-03 01:59:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-03 01:59:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-03 01:59:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-03 01:59:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 01:59:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-03 01:59:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-03 01:59:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-03 01:59:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-03 01:59:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-03 01:59:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-03 01:59:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-03 01:59:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-03 01:59:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 01:59:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-03 01:59:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-10-03 01:59:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_6 [2019-10-03 01:59:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_7 [2019-10-03 01:59:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-03 01:59:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-03 01:59:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 01:59:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-03 01:59:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-03 01:59:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 01:59:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-03 01:59:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-03 01:59:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-03 01:59:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-03 01:59:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 01:59:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 01:59:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 01:59:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 01:59:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 01:59:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 01:59:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-03 01:59:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-03 01:59:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 01:59:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-03 01:59:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-03 01:59:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 01:59:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 01:59:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 01:59:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 01:59:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 01:59:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 01:59:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 01:59:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 01:59:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 01:59:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 01:59:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-03 01:59:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-03 01:59:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 01:59:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 01:59:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 01:59:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 01:59:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 01:59:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-03 01:59:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-03 01:59:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-03 01:59:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-03 01:59:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-03 01:59:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 01:59:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 01:59:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 01:59:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 01:59:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 01:59:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 01:59:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-03 01:59:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-03 01:59:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-03 01:59:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-03 01:59:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 01:59:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 01:59:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-03 01:59:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 01:59:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-03 01:59:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_6 [2019-10-03 01:59:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-10-03 01:59:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_7 [2019-10-03 01:59:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-03 01:59:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 01:59:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 01:59:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-03 01:59:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 01:59:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 01:59:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-03 01:59:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-03 01:59:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-03 01:59:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_22 [2019-10-03 01:59:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2019-10-03 01:59:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-03 01:59:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-03 01:59:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-03 01:59:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-03 01:59:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-03 01:59:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2019-10-03 01:59:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-10-03 01:59:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2019-10-03 01:59:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-03 01:59:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-03 01:59:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-03 01:59:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-03 01:59:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-10-03 01:59:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-03 01:59:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-03 01:59:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-03 01:59:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-03 01:59:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-03 01:59:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-03 01:59:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-03 01:59:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-03 01:59:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-03 01:59:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 01:59:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-03 01:59:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2019-10-03 01:59:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-03 01:59:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2019-10-03 01:59:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_class_interface_1 [2019-10-03 01:59:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-03 01:59:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-03 01:59:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-03 01:59:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 01:59:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-03 01:59:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-03 01:59:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-03 01:59:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-03 01:59:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-03 01:59:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-03 01:59:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-03 01:59:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-03 01:59:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-03 01:59:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-03 01:59:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-03 01:59:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-03 01:59:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-03 01:59:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-03 01:59:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-03 01:59:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-03 01:59:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-03 01:59:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-03 01:59:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-03 01:59:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-03 01:59:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-03 01:59:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-03 01:59:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-03 01:59:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-03 01:59:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-03 01:59:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-03 01:59:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-03 01:59:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-03 01:59:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-03 01:59:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-03 01:59:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-03 01:59:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-03 01:59:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-03 01:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-03 01:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-03 01:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-03 01:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-03 01:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-03 01:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 01:59:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 01:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 01:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 01:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-03 01:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 01:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 01:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 01:59:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 01:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-03 01:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-03 01:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-03 01:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 01:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-03 01:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-03 01:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-03 01:59:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-03 01:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-03 01:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-03 01:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-03 01:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 01:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 01:59:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-03 01:59:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-03 01:59:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-03 01:59:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-03 01:59:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-03 01:59:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 01:59:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 01:59:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 01:59:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 01:59:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 01:59:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 01:59:44,340 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 01:59:47,428 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 01:59:47,429 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 01:59:47,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:59:47 BoogieIcfgContainer [2019-10-03 01:59:47,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 01:59:47,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 01:59:47,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 01:59:47,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 01:59:47,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 01:59:40" (1/3) ... [2019-10-03 01:59:47,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783190f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:59:47, skipping insertion in model container [2019-10-03 01:59:47,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:59:42" (2/3) ... [2019-10-03 01:59:47,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783190f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:59:47, skipping insertion in model container [2019-10-03 01:59:47,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:59:47" (3/3) ... [2019-10-03 01:59:47,441 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-03 01:59:47,453 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 01:59:47,467 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 01:59:47,485 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 01:59:47,515 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 01:59:47,516 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 01:59:47,516 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 01:59:47,516 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 01:59:47,516 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 01:59:47,516 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 01:59:47,516 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 01:59:47,517 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 01:59:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states. [2019-10-03 01:59:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-10-03 01:59:47,618 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:59:47,623 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:59:47,626 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:59:47,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:59:47,633 INFO L82 PathProgramCache]: Analyzing trace with hash -949789276, now seen corresponding path program 1 times [2019-10-03 01:59:47,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:59:47,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:47,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:59:47,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:47,742 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:59:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:59:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2019-10-03 01:59:48,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:59:48,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:59:48,743 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:59:48,749 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:59:48,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:59:48,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:48,768 INFO L87 Difference]: Start difference. First operand 1161 states. Second operand 3 states. [2019-10-03 01:59:49,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:59:49,002 INFO L93 Difference]: Finished difference Result 1834 states and 2482 transitions. [2019-10-03 01:59:49,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:59:49,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2019-10-03 01:59:49,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:59:49,051 INFO L225 Difference]: With dead ends: 1834 [2019-10-03 01:59:49,051 INFO L226 Difference]: Without dead ends: 1801 [2019-10-03 01:59:49,053 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:49,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2019-10-03 01:59:49,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1781. [2019-10-03 01:59:49,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1781 states. [2019-10-03 01:59:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 2411 transitions. [2019-10-03 01:59:49,252 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 2411 transitions. Word has length 294 [2019-10-03 01:59:49,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:59:49,253 INFO L475 AbstractCegarLoop]: Abstraction has 1781 states and 2411 transitions. [2019-10-03 01:59:49,253 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:59:49,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2411 transitions. [2019-10-03 01:59:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-03 01:59:49,259 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:59:49,262 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:59:49,263 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:59:49,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:59:49,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1855670110, now seen corresponding path program 1 times [2019-10-03 01:59:49,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:59:49,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:49,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:59:49,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:49,272 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:59:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:59:49,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2019-10-03 01:59:49,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:59:49,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:59:49,686 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:59:49,699 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:59:49,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:59:49,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:49,706 INFO L87 Difference]: Start difference. First operand 1781 states and 2411 transitions. Second operand 3 states. [2019-10-03 01:59:49,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:59:49,851 INFO L93 Difference]: Finished difference Result 3369 states and 4559 transitions. [2019-10-03 01:59:49,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:59:49,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2019-10-03 01:59:49,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:59:49,879 INFO L225 Difference]: With dead ends: 3369 [2019-10-03 01:59:49,879 INFO L226 Difference]: Without dead ends: 3369 [2019-10-03 01:59:49,880 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:49,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3369 states. [2019-10-03 01:59:50,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3369 to 3348. [2019-10-03 01:59:50,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3348 states. [2019-10-03 01:59:50,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 3348 states and 4537 transitions. [2019-10-03 01:59:50,116 INFO L78 Accepts]: Start accepts. Automaton has 3348 states and 4537 transitions. Word has length 296 [2019-10-03 01:59:50,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:59:50,117 INFO L475 AbstractCegarLoop]: Abstraction has 3348 states and 4537 transitions. [2019-10-03 01:59:50,117 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:59:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 4537 transitions. [2019-10-03 01:59:50,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-03 01:59:50,122 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:59:50,123 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:59:50,123 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:59:50,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:59:50,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1542752190, now seen corresponding path program 1 times [2019-10-03 01:59:50,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:59:50,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:50,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:59:50,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:50,132 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:59:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:59:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2019-10-03 01:59:50,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:59:50,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:59:50,505 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:59:50,506 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:59:50,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:59:50,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:50,507 INFO L87 Difference]: Start difference. First operand 3348 states and 4537 transitions. Second operand 3 states. [2019-10-03 01:59:50,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:59:50,860 INFO L93 Difference]: Finished difference Result 6488 states and 8804 transitions. [2019-10-03 01:59:50,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:59:50,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2019-10-03 01:59:50,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:59:50,901 INFO L225 Difference]: With dead ends: 6488 [2019-10-03 01:59:50,901 INFO L226 Difference]: Without dead ends: 6488 [2019-10-03 01:59:50,902 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:50,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6488 states. [2019-10-03 01:59:51,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6488 to 6484. [2019-10-03 01:59:51,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6484 states. [2019-10-03 01:59:51,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6484 states to 6484 states and 8801 transitions. [2019-10-03 01:59:51,122 INFO L78 Accepts]: Start accepts. Automaton has 6484 states and 8801 transitions. Word has length 296 [2019-10-03 01:59:51,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:59:51,123 INFO L475 AbstractCegarLoop]: Abstraction has 6484 states and 8801 transitions. [2019-10-03 01:59:51,125 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:59:51,125 INFO L276 IsEmpty]: Start isEmpty. Operand 6484 states and 8801 transitions. [2019-10-03 01:59:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-10-03 01:59:51,131 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:59:51,131 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:59:51,131 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:59:51,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:59:51,132 INFO L82 PathProgramCache]: Analyzing trace with hash 414682598, now seen corresponding path program 1 times [2019-10-03 01:59:51,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:59:51,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:51,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:59:51,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:51,142 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:59:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:59:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2019-10-03 01:59:51,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:59:51,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:59:51,625 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:59:51,627 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:59:51,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:59:51,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:51,628 INFO L87 Difference]: Start difference. First operand 6484 states and 8801 transitions. Second operand 3 states. [2019-10-03 01:59:51,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:59:51,702 INFO L93 Difference]: Finished difference Result 6483 states and 8799 transitions. [2019-10-03 01:59:51,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:59:51,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2019-10-03 01:59:51,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:59:51,751 INFO L225 Difference]: With dead ends: 6483 [2019-10-03 01:59:51,751 INFO L226 Difference]: Without dead ends: 6483 [2019-10-03 01:59:51,752 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:51,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6483 states. [2019-10-03 01:59:51,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6483 to 6483. [2019-10-03 01:59:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6483 states. [2019-10-03 01:59:51,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6483 states to 6483 states and 8799 transitions. [2019-10-03 01:59:51,965 INFO L78 Accepts]: Start accepts. Automaton has 6483 states and 8799 transitions. Word has length 300 [2019-10-03 01:59:51,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:59:51,966 INFO L475 AbstractCegarLoop]: Abstraction has 6483 states and 8799 transitions. [2019-10-03 01:59:51,966 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:59:51,966 INFO L276 IsEmpty]: Start isEmpty. Operand 6483 states and 8799 transitions. [2019-10-03 01:59:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-10-03 01:59:51,973 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:59:51,978 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:59:51,978 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:59:51,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:59:51,979 INFO L82 PathProgramCache]: Analyzing trace with hash -30252806, now seen corresponding path program 1 times [2019-10-03 01:59:51,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:59:51,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:51,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:59:51,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:51,990 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:59:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:59:52,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2019-10-03 01:59:52,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:59:52,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:59:52,335 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:59:52,337 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:59:52,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:59:52,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:52,338 INFO L87 Difference]: Start difference. First operand 6483 states and 8799 transitions. Second operand 3 states. [2019-10-03 01:59:52,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:59:52,440 INFO L93 Difference]: Finished difference Result 6482 states and 8797 transitions. [2019-10-03 01:59:52,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:59:52,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2019-10-03 01:59:52,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:59:52,478 INFO L225 Difference]: With dead ends: 6482 [2019-10-03 01:59:52,479 INFO L226 Difference]: Without dead ends: 6482 [2019-10-03 01:59:52,479 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6482 states. [2019-10-03 01:59:52,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6482 to 6482. [2019-10-03 01:59:52,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6482 states. [2019-10-03 01:59:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6482 states to 6482 states and 8797 transitions. [2019-10-03 01:59:52,668 INFO L78 Accepts]: Start accepts. Automaton has 6482 states and 8797 transitions. Word has length 301 [2019-10-03 01:59:52,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:59:52,669 INFO L475 AbstractCegarLoop]: Abstraction has 6482 states and 8797 transitions. [2019-10-03 01:59:52,669 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:59:52,669 INFO L276 IsEmpty]: Start isEmpty. Operand 6482 states and 8797 transitions. [2019-10-03 01:59:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-10-03 01:59:52,673 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:59:52,674 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:59:52,674 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:59:52,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:59:52,675 INFO L82 PathProgramCache]: Analyzing trace with hash -938343575, now seen corresponding path program 1 times [2019-10-03 01:59:52,675 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:59:52,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:52,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:59:52,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:52,683 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:59:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:59:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2019-10-03 01:59:52,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:59:52,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:59:52,985 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:59:52,985 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:59:52,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:59:52,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:52,986 INFO L87 Difference]: Start difference. First operand 6482 states and 8797 transitions. Second operand 3 states. [2019-10-03 01:59:53,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:59:53,065 INFO L93 Difference]: Finished difference Result 7714 states and 10409 transitions. [2019-10-03 01:59:53,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:59:53,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2019-10-03 01:59:53,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:59:53,108 INFO L225 Difference]: With dead ends: 7714 [2019-10-03 01:59:53,108 INFO L226 Difference]: Without dead ends: 7702 [2019-10-03 01:59:53,108 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:53,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7702 states. [2019-10-03 01:59:53,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7702 to 7652. [2019-10-03 01:59:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7652 states. [2019-10-03 01:59:53,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7652 states to 7652 states and 10341 transitions. [2019-10-03 01:59:53,336 INFO L78 Accepts]: Start accepts. Automaton has 7652 states and 10341 transitions. Word has length 302 [2019-10-03 01:59:53,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:59:53,336 INFO L475 AbstractCegarLoop]: Abstraction has 7652 states and 10341 transitions. [2019-10-03 01:59:53,336 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:59:53,337 INFO L276 IsEmpty]: Start isEmpty. Operand 7652 states and 10341 transitions. [2019-10-03 01:59:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2019-10-03 01:59:53,346 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:59:53,346 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:59:53,346 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:59:53,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:59:53,347 INFO L82 PathProgramCache]: Analyzing trace with hash -456649462, now seen corresponding path program 1 times [2019-10-03 01:59:53,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:59:53,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:53,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:59:53,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:53,356 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:59:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:59:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1367 trivial. 0 not checked. [2019-10-03 01:59:53,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:59:53,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:59:53,865 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:59:53,866 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:59:53,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:59:53,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:53,867 INFO L87 Difference]: Start difference. First operand 7652 states and 10341 transitions. Second operand 3 states. [2019-10-03 01:59:54,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:59:54,064 INFO L93 Difference]: Finished difference Result 15058 states and 20282 transitions. [2019-10-03 01:59:54,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:59:54,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 413 [2019-10-03 01:59:54,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:59:54,154 INFO L225 Difference]: With dead ends: 15058 [2019-10-03 01:59:54,154 INFO L226 Difference]: Without dead ends: 15058 [2019-10-03 01:59:54,155 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:54,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15058 states. [2019-10-03 01:59:54,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15058 to 15044. [2019-10-03 01:59:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15044 states. [2019-10-03 01:59:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15044 states to 15044 states and 20269 transitions. [2019-10-03 01:59:54,562 INFO L78 Accepts]: Start accepts. Automaton has 15044 states and 20269 transitions. Word has length 413 [2019-10-03 01:59:54,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:59:54,563 INFO L475 AbstractCegarLoop]: Abstraction has 15044 states and 20269 transitions. [2019-10-03 01:59:54,563 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:59:54,563 INFO L276 IsEmpty]: Start isEmpty. Operand 15044 states and 20269 transitions. [2019-10-03 01:59:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2019-10-03 01:59:54,572 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:59:54,573 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:59:54,573 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:59:54,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:59:54,574 INFO L82 PathProgramCache]: Analyzing trace with hash 2126942323, now seen corresponding path program 1 times [2019-10-03 01:59:54,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:59:54,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:54,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:59:54,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:54,583 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:59:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:59:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1367 trivial. 0 not checked. [2019-10-03 01:59:55,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:59:55,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:59:55,726 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:59:55,727 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:59:55,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:59:55,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:55,728 INFO L87 Difference]: Start difference. First operand 15044 states and 20269 transitions. Second operand 3 states. [2019-10-03 01:59:55,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:59:55,955 INFO L93 Difference]: Finished difference Result 26737 states and 35895 transitions. [2019-10-03 01:59:55,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:59:55,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 416 [2019-10-03 01:59:55,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:59:56,061 INFO L225 Difference]: With dead ends: 26737 [2019-10-03 01:59:56,061 INFO L226 Difference]: Without dead ends: 26737 [2019-10-03 01:59:56,062 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:56,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26737 states. [2019-10-03 01:59:56,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26737 to 26724. [2019-10-03 01:59:56,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26724 states. [2019-10-03 01:59:56,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26724 states to 26724 states and 35883 transitions. [2019-10-03 01:59:56,688 INFO L78 Accepts]: Start accepts. Automaton has 26724 states and 35883 transitions. Word has length 416 [2019-10-03 01:59:56,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:59:56,689 INFO L475 AbstractCegarLoop]: Abstraction has 26724 states and 35883 transitions. [2019-10-03 01:59:56,689 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:59:56,689 INFO L276 IsEmpty]: Start isEmpty. Operand 26724 states and 35883 transitions. [2019-10-03 01:59:56,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2019-10-03 01:59:56,708 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:59:56,708 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 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] [2019-10-03 01:59:56,709 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:59:56,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:59:56,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1313603113, now seen corresponding path program 1 times [2019-10-03 01:59:56,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:59:56,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:56,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:59:56,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:56,719 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:59:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:59:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2460 trivial. 0 not checked. [2019-10-03 01:59:57,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:59:57,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:59:57,358 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:59:57,359 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:59:57,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:59:57,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:57,360 INFO L87 Difference]: Start difference. First operand 26724 states and 35883 transitions. Second operand 3 states. [2019-10-03 01:59:57,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:59:57,695 INFO L93 Difference]: Finished difference Result 25790 states and 34434 transitions. [2019-10-03 01:59:57,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:59:57,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 478 [2019-10-03 01:59:57,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:59:57,793 INFO L225 Difference]: With dead ends: 25790 [2019-10-03 01:59:57,793 INFO L226 Difference]: Without dead ends: 25790 [2019-10-03 01:59:57,794 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:57,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25790 states. [2019-10-03 01:59:58,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25790 to 25638. [2019-10-03 01:59:58,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25638 states. [2019-10-03 01:59:58,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25638 states to 25638 states and 34283 transitions. [2019-10-03 01:59:58,335 INFO L78 Accepts]: Start accepts. Automaton has 25638 states and 34283 transitions. Word has length 478 [2019-10-03 01:59:58,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:59:58,335 INFO L475 AbstractCegarLoop]: Abstraction has 25638 states and 34283 transitions. [2019-10-03 01:59:58,336 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:59:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 25638 states and 34283 transitions. [2019-10-03 01:59:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2019-10-03 01:59:58,423 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:59:58,423 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:59:58,423 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:59:58,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:59:58,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2056903789, now seen corresponding path program 1 times [2019-10-03 01:59:58,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:59:58,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:58,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:59:58,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:59:58,432 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:59:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:59:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2019-10-03 01:59:59,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:59:59,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:59:59,932 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:59:59,933 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:59:59,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:59:59,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:59:59,934 INFO L87 Difference]: Start difference. First operand 25638 states and 34283 transitions. Second operand 3 states. [2019-10-03 02:00:00,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:00:00,072 INFO L93 Difference]: Finished difference Result 25662 states and 34307 transitions. [2019-10-03 02:00:00,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:00:00,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 581 [2019-10-03 02:00:00,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:00:00,162 INFO L225 Difference]: With dead ends: 25662 [2019-10-03 02:00:00,162 INFO L226 Difference]: Without dead ends: 25662 [2019-10-03 02:00:00,162 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:00:00,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25662 states. [2019-10-03 02:00:00,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25662 to 25662. [2019-10-03 02:00:00,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25662 states. [2019-10-03 02:00:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25662 states to 25662 states and 34307 transitions. [2019-10-03 02:00:00,639 INFO L78 Accepts]: Start accepts. Automaton has 25662 states and 34307 transitions. Word has length 581 [2019-10-03 02:00:00,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:00:00,640 INFO L475 AbstractCegarLoop]: Abstraction has 25662 states and 34307 transitions. [2019-10-03 02:00:00,640 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:00:00,640 INFO L276 IsEmpty]: Start isEmpty. Operand 25662 states and 34307 transitions. [2019-10-03 02:00:00,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2019-10-03 02:00:00,734 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:00:00,735 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:00:00,735 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:00:00,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:00:00,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1622398191, now seen corresponding path program 1 times [2019-10-03 02:00:00,736 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:00:00,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:00:00,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:00:00,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:00:00,746 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:00:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:00:01,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2478 trivial. 0 not checked. [2019-10-03 02:00:01,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:00:01,957 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:00:01,958 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 582 with the following transitions: [2019-10-03 02:00:01,964 INFO L207 CegarAbsIntRunner]: [85], [86], [92], [93], [94], [95], [108], [110], [111], [112], [114], [115], [116], [118], [119], [122], [124], [125], [132], [208], [211], [213], [300], [302], [303], [335], [337], [338], [364], [371], [378], [385], [410], [412], [414], [415], [416], [421], [422], [455], [457], [463], [482], [484], [487], [491], [492], [493], [496], [500], [503], [507], [512], [514], [518], [530], [578], [705], [711], [712], [846], [848], [849], [862], [863], [874], [876], [877], [1029], [1031], [1032], [1033], [1035], [1037], [1039], [1041], [1043], [1045], [1047], [1049], [1052], [1054], [1056], [1058], [1060], [1062], [1064], [1066], [1068], [1070], [1072], [1074], [1076], [1078], [1080], [1082], [1084], [1096], [1142], [1154], [1200], [1246], [1249], [1252], [1265], [1268], [1271], [1331], [1334], [1337], [1349], [1352], [1355], [1357], [1362], [1365], [1367], [1369], [1371], [1373], [1375], [1377], [1578], [1580], [1582], [1585], [1588], [1779], [1792], [1794], [1797], [1827], [1832], [1837], [1840], [1851], [1853], [1855], [1856], [1857], [1859], [1861], [1862], [1893], [1895], [1896], [2106], [2108], [2109], [2125], [2127], [2128], [2330], [2333], [2340], [2343], [2347], [2349], [2385], [2387], [2388], [2472], [2473], [2474], [2475], [2476], [2477], [2478], [2479], [2486], [2522], [2523], [2530], [2531], [2546], [2548], [2549], [2550], [2551], [2558], [2560], [2561], [2562], [2616], [2617], [2630], [2631], [2672], [2673], [2674], [2675], [2676], [2677], [2678], [2679], [2680], [2681], [2682], [2683], [2684], [2685], [2686], [2687], [2688], [2689], [2690], [2691], [2692], [2693], [2694], [2695], [2696], [2697], [2698], [2699], [2700], [2701], [2702], [2703], [2704], [2705], [2706], [2707], [2708], [2709], [2710], [2711], [2712], [2713], [2714], [2715], [2716], [2717], [2718], [2719], [2720], [2721], [2722], [2723], [2748], [2760], [2761], [2762], [2763], [2764], [2765], [2766], [2767], [2768], [2769], [2770], [2771], [2772], [2773], [2774], [2775], [2816], [2817], [2818], [2819], [2820], [2860], [2861], [2862], [2870], [2872], [2873], [2874], [2875], [2876], [2877], [2878], [2879], [2894], [2895], [2940], [2941], [2946], [2947], [3010], [3011], [3012], [3014], [3016], [3017] [2019-10-03 02:00:02,066 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:00:02,067 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:00:02,212 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:00:02,214 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 139 root evaluator evaluations with a maximum evaluation depth of 0. Performed 139 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 300 variables. [2019-10-03 02:00:02,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:00:02,220 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:00:02,412 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:00:02,412 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:00:02,424 INFO L420 sIntCurrentIteration]: We unified 580 AI predicates to 580 [2019-10-03 02:00:02,424 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:00:02,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:00:02,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 11 [2019-10-03 02:00:02,426 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:00:02,427 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:00:02,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:00:02,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:00:02,428 INFO L87 Difference]: Start difference. First operand 25662 states and 34307 transitions. Second operand 2 states. [2019-10-03 02:00:02,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:00:02,428 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:00:02,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:00:02,428 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 581 [2019-10-03 02:00:02,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:00:02,429 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:00:02,429 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:00:02,429 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:00:02,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:00:02,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:00:02,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:00:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:00:02,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 581 [2019-10-03 02:00:02,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:00:02,430 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:00:02,430 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:00:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:00:02,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:00:02,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:00:02 BoogieIcfgContainer [2019-10-03 02:00:02,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:00:02,439 INFO L168 Benchmark]: Toolchain (without parser) took 21912.34 ms. Allocated memory was 137.9 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 78.9 MB in the beginning and 517.5 MB in the end (delta: -438.6 MB). Peak memory consumption was 670.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:00:02,440 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-03 02:00:02,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2339.95 ms. Allocated memory was 137.9 MB in the beginning and 215.5 MB in the end (delta: 77.6 MB). Free memory was 78.7 MB in the beginning and 77.9 MB in the end (delta: 778.7 kB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:00:02,442 INFO L168 Benchmark]: Boogie Preprocessor took 428.88 ms. Allocated memory was 215.5 MB in the beginning and 273.7 MB in the end (delta: 58.2 MB). Free memory was 77.9 MB in the beginning and 224.7 MB in the end (delta: -146.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:00:02,443 INFO L168 Benchmark]: RCFGBuilder took 4132.16 ms. Allocated memory was 273.7 MB in the beginning and 378.0 MB in the end (delta: 104.3 MB). Free memory was 224.7 MB in the beginning and 221.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 171.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:00:02,444 INFO L168 Benchmark]: TraceAbstraction took 15003.47 ms. Allocated memory was 378.0 MB in the beginning and 1.2 GB in the end (delta: 869.3 MB). Free memory was 221.2 MB in the beginning and 517.5 MB in the end (delta: -296.3 MB). Peak memory consumption was 573.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:00:02,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2339.95 ms. Allocated memory was 137.9 MB in the beginning and 215.5 MB in the end (delta: 77.6 MB). Free memory was 78.7 MB in the beginning and 77.9 MB in the end (delta: 778.7 kB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 428.88 ms. Allocated memory was 215.5 MB in the beginning and 273.7 MB in the end (delta: 58.2 MB). Free memory was 77.9 MB in the beginning and 224.7 MB in the end (delta: -146.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4132.16 ms. Allocated memory was 273.7 MB in the beginning and 378.0 MB in the end (delta: 104.3 MB). Free memory was 224.7 MB in the beginning and 221.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 171.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15003.47 ms. Allocated memory was 378.0 MB in the beginning and 1.2 GB in the end (delta: 869.3 MB). Free memory was 221.2 MB in the beginning and 517.5 MB in the end (delta: -296.3 MB). Peak memory consumption was 573.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4921]: 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 151 procedures, 1315 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 11 OverallIterations, 18 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15125 SDtfs, 9978 SDslu, 9041 SDs, 0 SdLazy, 85 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 613 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26724occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.6155172413793104 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 274 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 4258 NumberOfCodeBlocks, 4258 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4247 ConstructedInterpolants, 0 QuantifiedInterpolants, 1983957 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 18163/18184 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...