java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 01:40:52,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 01:40:52,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 01:40:53,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 01:40:53,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 01:40:53,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 01:40:53,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 01:40:53,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 01:40:53,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 01:40:53,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 01:40:53,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 01:40:53,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 01:40:53,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 01:40:53,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 01:40:53,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 01:40:53,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 01:40:53,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 01:40:53,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 01:40:53,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 01:40:53,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 01:40:53,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 01:40:53,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 01:40:53,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 01:40:53,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 01:40:53,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 01:40:53,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 01:40:53,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 01:40:53,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 01:40:53,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 01:40:53,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 01:40:53,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 01:40:53,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 01:40:53,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 01:40:53,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 01:40:53,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 01:40:53,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 01:40:53,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 01:40:53,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 01:40:53,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 01:40:53,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 01:40:53,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 01:40:53,049 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 01:40:53,064 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 01:40:53,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 01:40:53,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 01:40:53,065 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 01:40:53,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 01:40:53,066 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 01:40:53,066 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 01:40:53,067 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 01:40:53,067 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 01:40:53,067 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 01:40:53,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 01:40:53,068 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 01:40:53,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 01:40:53,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 01:40:53,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 01:40:53,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 01:40:53,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 01:40:53,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 01:40:53,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 01:40:53,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 01:40:53,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 01:40:53,070 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 01:40:53,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 01:40:53,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:40:53,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 01:40:53,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 01:40:53,073 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 01:40:53,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 01:40:53,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 01:40:53,073 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 01:40:53,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 01:40:53,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 01:40:53,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 01:40:53,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 01:40:53,124 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 01:40:53,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2019-10-03 01:40:53,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ff565531/04fafc23b78d4af98b7b53e34596ee11/FLAG41ab05c06 [2019-10-03 01:40:53,847 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 01:40:53,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2019-10-03 01:40:53,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ff565531/04fafc23b78d4af98b7b53e34596ee11/FLAG41ab05c06 [2019-10-03 01:40:54,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ff565531/04fafc23b78d4af98b7b53e34596ee11 [2019-10-03 01:40:54,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 01:40:54,053 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 01:40:54,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 01:40:54,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 01:40:54,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 01:40:54,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:40:54" (1/1) ... [2019-10-03 01:40:54,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f9a405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:40:54, skipping insertion in model container [2019-10-03 01:40:54,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:40:54" (1/1) ... [2019-10-03 01:40:54,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 01:40:54,173 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 01:40:55,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:40:55,215 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 01:40:55,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:40:55,420 INFO L192 MainTranslator]: Completed translation [2019-10-03 01:40:55,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:40:55 WrapperNode [2019-10-03 01:40:55,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 01:40:55,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 01:40:55,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 01:40:55,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 01:40:55,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:40:55" (1/1) ... [2019-10-03 01:40:55,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:40:55" (1/1) ... [2019-10-03 01:40:55,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:40:55" (1/1) ... [2019-10-03 01:40:55,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:40:55" (1/1) ... [2019-10-03 01:40:55,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:40:55" (1/1) ... [2019-10-03 01:40:55,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:40:55" (1/1) ... [2019-10-03 01:40:55,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:40:55" (1/1) ... [2019-10-03 01:40:55,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 01:40:55,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 01:40:55,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 01:40:55,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 01:40:55,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:40:55" (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 01:40:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 01:40:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 01:40:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 01:40:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-03 01:40:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-03 01:40:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-03 01:40:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2019-10-03 01:40:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2019-10-03 01:40:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 01:40:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 01:40:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-03 01:40:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-03 01:40:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 01:40:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 01:40:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 01:40:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 01:40:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-10-03 01:40:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2019-10-03 01:40:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-10-03 01:40:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2019-10-03 01:40:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure l440gx_set_vpp [2019-10-03 01:40:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure init_l440gx [2019-10-03 01:40:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_l440gx [2019-10-03 01:40:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 01:40:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 01:40:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 01:40:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 01:40:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 01:40:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 01:40:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-03 01:40:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-03 01:40:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-03 01:40:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-03 01:40:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-03 01:40:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 01:40:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-03 01:40:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-03 01:40:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure do_map_probe [2019-10-03 01:40:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-03 01:40:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-03 01:40:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 01:40:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure map_destroy [2019-10-03 01:40:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_device_parse_register [2019-10-03 01:40:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_device_unregister [2019-10-03 01:40:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_assign_resource [2019-10-03 01:40:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2019-10-03 01:40:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-10-03 01:40:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2019-10-03 01:40:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-10-03 01:40:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2019-10-03 01:40:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2019-10-03 01:40:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 01:40:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_map_init [2019-10-03 01:40:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 01:40:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 01:40:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 01:40:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 01:40:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 01:40:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 01:40:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 01:40:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-03 01:40:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-03 01:40:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 01:40:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-03 01:40:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-03 01:40:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-03 01:40:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-03 01:40:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-03 01:40:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2019-10-03 01:40:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2019-10-03 01:40:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 01:40:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 01:40:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 01:40:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 01:40:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 01:40:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 01:40:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 01:40:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 01:40:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 01:40:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 01:40:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-03 01:40:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-03 01:40:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 01:40:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 01:40:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 01:40:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 01:40:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 01:40:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2019-10-03 01:40:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2019-10-03 01:40:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-10-03 01:40:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2019-10-03 01:40:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-10-03 01:40:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2019-10-03 01:40:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-10-03 01:40:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 01:40:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 01:40:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2019-10-03 01:40:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-10-03 01:40:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2019-10-03 01:40:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure pci_assign_resource [2019-10-03 01:40:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_device_parse_register [2019-10-03 01:40:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_device_unregister [2019-10-03 01:40:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure do_map_probe [2019-10-03 01:40:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure map_destroy [2019-10-03 01:40:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure simple_map_init [2019-10-03 01:40:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 01:40:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure l440gx_set_vpp [2019-10-03 01:40:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure init_l440gx [2019-10-03 01:40:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 01:40:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 01:40:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 01:40:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_l440gx [2019-10-03 01:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 01:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 01:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 01:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 01:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 01:40:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 01:40:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 01:40:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 01:40:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-03 01:40:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-03 01:40:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-03 01:40:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-03 01:40:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-03 01:40:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 01:40:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 01:40:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 01:40:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 01:40:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 01:40:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 01:40:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 01:40:56,510 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 01:40:56,565 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-03 01:40:57,007 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 01:40:57,008 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 01:40:57,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:40:57 BoogieIcfgContainer [2019-10-03 01:40:57,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 01:40:57,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 01:40:57,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 01:40:57,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 01:40:57,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 01:40:54" (1/3) ... [2019-10-03 01:40:57,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a64557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:40:57, skipping insertion in model container [2019-10-03 01:40:57,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:40:55" (2/3) ... [2019-10-03 01:40:57,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a64557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:40:57, skipping insertion in model container [2019-10-03 01:40:57,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:40:57" (3/3) ... [2019-10-03 01:40:57,035 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2019-10-03 01:40:57,048 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 01:40:57,062 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 01:40:57,082 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 01:40:57,113 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 01:40:57,113 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 01:40:57,113 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 01:40:57,113 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 01:40:57,113 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 01:40:57,113 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 01:40:57,114 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 01:40:57,114 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 01:40:57,140 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2019-10-03 01:40:57,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-03 01:40:57,151 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:40:57,152 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:57,154 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:40:57,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:40:57,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1902704918, now seen corresponding path program 1 times [2019-10-03 01:40:57,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:40:57,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:40:57,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:40:57,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:40:57,238 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:40:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:40:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 01:40:57,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:40:57,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:40:57,599 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:40:57,610 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:40:57,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:40:57,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:40:57,633 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 3 states. [2019-10-03 01:40:57,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:40:57,761 INFO L93 Difference]: Finished difference Result 236 states and 272 transitions. [2019-10-03 01:40:57,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:40:57,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-03 01:40:57,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:40:57,777 INFO L225 Difference]: With dead ends: 236 [2019-10-03 01:40:57,778 INFO L226 Difference]: Without dead ends: 223 [2019-10-03 01:40:57,780 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 01:40:57,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-03 01:40:57,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2019-10-03 01:40:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-10-03 01:40:57,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 255 transitions. [2019-10-03 01:40:57,847 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 255 transitions. Word has length 38 [2019-10-03 01:40:57,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:40:57,848 INFO L475 AbstractCegarLoop]: Abstraction has 223 states and 255 transitions. [2019-10-03 01:40:57,848 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:40:57,848 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 255 transitions. [2019-10-03 01:40:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-03 01:40:57,851 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:40:57,851 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-03 01:40:57,852 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:40:57,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:40:57,852 INFO L82 PathProgramCache]: Analyzing trace with hash 579942014, now seen corresponding path program 1 times [2019-10-03 01:40:57,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:40:57,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:40:57,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:40:57,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:40:57,859 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:40:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:40:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-03 01:40:57,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:40:57,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:40:57,988 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:40:57,991 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:40:57,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:40:57,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:40:57,992 INFO L87 Difference]: Start difference. First operand 223 states and 255 transitions. Second operand 3 states. [2019-10-03 01:40:58,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:40:58,040 INFO L93 Difference]: Finished difference Result 228 states and 258 transitions. [2019-10-03 01:40:58,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:40:58,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-10-03 01:40:58,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:40:58,044 INFO L225 Difference]: With dead ends: 228 [2019-10-03 01:40:58,045 INFO L226 Difference]: Without dead ends: 228 [2019-10-03 01:40:58,046 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 01:40:58,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-10-03 01:40:58,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 223. [2019-10-03 01:40:58,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-10-03 01:40:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 254 transitions. [2019-10-03 01:40:58,067 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 254 transitions. Word has length 57 [2019-10-03 01:40:58,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:40:58,067 INFO L475 AbstractCegarLoop]: Abstraction has 223 states and 254 transitions. [2019-10-03 01:40:58,068 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:40:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 254 transitions. [2019-10-03 01:40:58,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-03 01:40:58,070 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:40:58,070 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-03 01:40:58,070 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:40:58,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:40:58,071 INFO L82 PathProgramCache]: Analyzing trace with hash 637200316, now seen corresponding path program 1 times [2019-10-03 01:40:58,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:40:58,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:40:58,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:40:58,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:40:58,078 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:40:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:40:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-03 01:40:58,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:40:58,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:40:58,288 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:40:58,289 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:40:58,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:40:58,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:40:58,290 INFO L87 Difference]: Start difference. First operand 223 states and 254 transitions. Second operand 3 states. [2019-10-03 01:40:58,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:40:58,318 INFO L93 Difference]: Finished difference Result 220 states and 251 transitions. [2019-10-03 01:40:58,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:40:58,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-10-03 01:40:58,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:40:58,320 INFO L225 Difference]: With dead ends: 220 [2019-10-03 01:40:58,320 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 01:40:58,320 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 01:40:58,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 01:40:58,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 01:40:58,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 01:40:58,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 01:40:58,321 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2019-10-03 01:40:58,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:40:58,322 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 01:40:58,322 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:40:58,322 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 01:40:58,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 01:40:58,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 01:40:58 BoogieIcfgContainer [2019-10-03 01:40:58,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 01:40:58,341 INFO L168 Benchmark]: Toolchain (without parser) took 4286.28 ms. Allocated memory was 136.3 MB in the beginning and 223.9 MB in the end (delta: 87.6 MB). Free memory was 80.4 MB in the beginning and 63.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. [2019-10-03 01:40:58,345 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 103.5 MB in the beginning and 103.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-03 01:40:58,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1367.73 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 80.2 MB in the beginning and 130.0 MB in the end (delta: -49.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-10-03 01:40:58,347 INFO L168 Benchmark]: Boogie Preprocessor took 103.41 ms. Allocated memory is still 202.4 MB. Free memory was 130.0 MB in the beginning and 124.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-10-03 01:40:58,348 INFO L168 Benchmark]: RCFGBuilder took 1484.61 ms. Allocated memory was 202.4 MB in the beginning and 223.9 MB in the end (delta: 21.5 MB). Free memory was 124.5 MB in the beginning and 140.8 MB in the end (delta: -16.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2019-10-03 01:40:58,349 INFO L168 Benchmark]: TraceAbstraction took 1322.99 ms. Allocated memory is still 223.9 MB. Free memory was 139.4 MB in the beginning and 63.6 MB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. [2019-10-03 01:40:58,356 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 103.5 MB in the beginning and 103.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1367.73 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 80.2 MB in the beginning and 130.0 MB in the end (delta: -49.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.41 ms. Allocated memory is still 202.4 MB. Free memory was 130.0 MB in the beginning and 124.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1484.61 ms. Allocated memory was 202.4 MB in the beginning and 223.9 MB in the end (delta: 21.5 MB). Free memory was 124.5 MB in the beginning and 140.8 MB in the end (delta: -16.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1322.99 ms. Allocated memory is still 223.9 MB. Free memory was 139.4 MB in the beginning and 63.6 MB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3084]: 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 57 procedures, 305 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 724 SDtfs, 648 SDslu, 60 SDs, 0 SdLazy, 17 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 10139 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 22/22 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...