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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:43:10,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:43:10,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:43:10,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:43:10,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:43:10,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:43:10,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:43:10,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:43:10,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:43:10,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:43:10,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:43:10,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:43:10,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:43:10,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:43:10,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:43:10,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:43:10,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:43:10,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:43:10,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:43:10,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:43:10,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:43:10,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:43:10,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:43:10,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:43:10,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:43:10,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:43:10,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:43:10,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:43:10,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:43:10,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:43:10,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:43:10,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:43:10,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:43:10,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:43:10,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:43:10,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:43:10,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:43:10,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:43:10,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:43:10,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:43:10,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:43:10,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:43:10,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:43:10,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:43:10,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:43:10,598 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:43:10,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:43:10,599 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:43:10,600 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:43:10,600 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:43:10,600 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:43:10,600 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:43:10,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:43:10,601 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:43:10,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:43:10,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:43:10,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:43:10,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:43:10,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:43:10,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:43:10,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:43:10,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:43:10,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:43:10,603 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:43:10,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:43:10,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:43:10,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:43:10,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:43:10,604 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:43:10,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:43:10,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:43:10,605 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:43:10,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:43:10,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:43:10,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:43:10,650 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:43:10,651 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:43:10,651 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i [2019-09-20 13:43:10,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e0004b5/bb32409dda654c2b9e69ab4c379cccc8/FLAG285377bb7 [2019-09-20 13:43:11,385 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:43:11,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i [2019-09-20 13:43:11,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e0004b5/bb32409dda654c2b9e69ab4c379cccc8/FLAG285377bb7 [2019-09-20 13:43:11,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86e0004b5/bb32409dda654c2b9e69ab4c379cccc8 [2019-09-20 13:43:11,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:43:11,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:43:11,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:11,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:43:11,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:43:11,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:11" (1/1) ... [2019-09-20 13:43:11,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356071d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:11, skipping insertion in model container [2019-09-20 13:43:11,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:11" (1/1) ... [2019-09-20 13:43:11,553 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:43:11,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:43:12,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:12,846 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:43:13,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:13,237 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:43:13,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:13 WrapperNode [2019-09-20 13:43:13,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:13,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:43:13,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:43:13,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:43:13,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:13" (1/1) ... [2019-09-20 13:43:13,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:13" (1/1) ... [2019-09-20 13:43:13,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:13" (1/1) ... [2019-09-20 13:43:13,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:13" (1/1) ... [2019-09-20 13:43:13,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:13" (1/1) ... [2019-09-20 13:43:13,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:13" (1/1) ... [2019-09-20 13:43:13,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:13" (1/1) ... [2019-09-20 13:43:13,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:43:13,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:43:13,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:43:13,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:43:13,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:43:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:43:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:43:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-20 13:43:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-20 13:43:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-09-20 13:43:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2019-09-20 13:43:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2019-09-20 13:43:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:43:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:43:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:43:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:43:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-09-20 13:43:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure opstate_init [2019-09-20 13:43:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure get_err_from_table [2019-09-20 13:43:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_process_error_global [2019-09-20 13:43:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_process_fbd_error [2019-09-20 13:43:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_check_error [2019-09-20 13:43:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_clear_error [2019-09-20 13:43:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_enable_error_reporting [2019-09-20 13:43:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_mtr [2019-09-20 13:43:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure print_dimm_size [2019-09-20 13:43:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_init_csrows [2019-09-20 13:43:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_mir [2019-09-20 13:43:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_get_mc_regs [2019-09-20 13:43:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_put_devices [2019-09-20 13:43:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_get_devices [2019-09-20 13:43:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_init_one [2019-09-20 13:43:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_remove_one [2019-09-20 13:43:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_init [2019-09-20 13:43:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure i7300_exit [2019-09-20 13:43:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:43:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-20 13:43:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-20 13:43:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-20 13:43:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-20 13:43:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-20 13:43:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-20 13:43:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-20 13:43:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:43:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:43:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:43:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:43:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:43:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-20 13:43:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-20 13:43:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:43:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-20 13:43:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-20 13:43:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:43:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:43:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:43:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:43:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:43:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:43:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:43:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:43:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:43:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-20 13:43:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure edac_mc_add_mc [2019-09-20 13:43:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure edac_mc_alloc [2019-09-20 13:43:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure edac_mc_del_mc [2019-09-20 13:43:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure edac_mc_free [2019-09-20 13:43:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure edac_mc_handle_error [2019-09-20 13:43:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure edac_pci_create_generic_ctl [2019-09-20 13:43:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure edac_pci_release_generic_ctl [2019-09-20 13:43:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2019-09-20 13:43:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 13:43:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-20 13:43:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:43:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2019-09-20 13:43:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-09-20 13:43:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2019-09-20 13:43:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2019-09-20 13:43:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-20 13:43:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2019-09-20 13:43:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-20 13:43:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:43:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:43:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:43:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:43:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:43:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:43:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2019-09-20 13:43:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:43:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 13:43:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-20 13:43:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-20 13:43:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:43:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-20 13:43:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-20 13:43:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-20 13:43:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 13:43:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-20 13:43:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-20 13:43:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-20 13:43:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-20 13:43:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-20 13:43:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:43:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:43:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:43:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:43:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-20 13:43:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:43:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-20 13:43:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2019-09-20 13:43:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2019-09-20 13:43:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-09-20 13:43:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2019-09-20 13:43:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2019-09-20 13:43:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-09-20 13:43:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:43:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2019-09-20 13:43:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2019-09-20 13:43:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-20 13:43:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-20 13:43:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-20 13:43:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:43:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:43:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:43:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:43:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:43:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:43:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:43:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:43:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-09-20 13:43:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure opstate_init [2019-09-20 13:43:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure edac_mc_alloc [2019-09-20 13:43:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure edac_mc_add_mc [2019-09-20 13:43:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure edac_mc_free [2019-09-20 13:43:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure edac_mc_del_mc [2019-09-20 13:43:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure edac_mc_handle_error [2019-09-20 13:43:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure edac_pci_create_generic_ctl [2019-09-20 13:43:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure edac_pci_release_generic_ctl [2019-09-20 13:43:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure get_err_from_table [2019-09-20 13:43:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_process_error_global [2019-09-20 13:43:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:43:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:43:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_process_fbd_error [2019-09-20 13:43:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_check_error [2019-09-20 13:43:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_clear_error [2019-09-20 13:43:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_enable_error_reporting [2019-09-20 13:43:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure decode_mtr [2019-09-20 13:43:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure print_dimm_size [2019-09-20 13:43:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_init_csrows [2019-09-20 13:43:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure decode_mir [2019-09-20 13:43:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_get_mc_regs [2019-09-20 13:43:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_put_devices [2019-09-20 13:43:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_get_devices [2019-09-20 13:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_init_one [2019-09-20 13:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_remove_one [2019-09-20 13:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_init [2019-09-20 13:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure i7300_exit [2019-09-20 13:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:43:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:43:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:43:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:43:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:43:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-20 13:43:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:43:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:43:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-20 13:43:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:43:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-20 13:43:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:43:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:43:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:43:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:43:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:43:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:43:22,263 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:43:22,263 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:43:22,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:22 BoogieIcfgContainer [2019-09-20 13:43:22,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:43:22,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:43:22,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:43:22,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:43:22,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:43:11" (1/3) ... [2019-09-20 13:43:22,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d76948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:22, skipping insertion in model container [2019-09-20 13:43:22,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:13" (2/3) ... [2019-09-20 13:43:22,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d76948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:22, skipping insertion in model container [2019-09-20 13:43:22,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:22" (3/3) ... [2019-09-20 13:43:22,278 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--edac--i7300_edac.ko-main.cil.out.i [2019-09-20 13:43:22,288 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:43:22,303 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:43:22,319 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:43:22,342 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:43:22,342 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:43:22,342 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:43:22,342 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:43:22,342 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:43:22,343 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:43:22,343 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:43:22,343 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:43:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states. [2019-09-20 13:43:22,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-09-20 13:43:22,384 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:22,385 INFO L407 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] [2019-09-20 13:43:22,388 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:22,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:22,393 INFO L82 PathProgramCache]: Analyzing trace with hash -965023468, now seen corresponding path program 1 times [2019-09-20 13:43:22,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:22,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:22,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:22,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:22,479 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:23,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:23,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:23,237 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:23,242 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:23,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:23,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:23,261 INFO L87 Difference]: Start difference. First operand 651 states. Second operand 3 states. [2019-09-20 13:43:26,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:26,612 INFO L93 Difference]: Finished difference Result 859 states and 1146 transitions. [2019-09-20 13:43:26,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:26,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-09-20 13:43:26,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:26,657 INFO L225 Difference]: With dead ends: 859 [2019-09-20 13:43:26,657 INFO L226 Difference]: Without dead ends: 852 [2019-09-20 13:43:26,661 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2019-09-20 13:43:26,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 852. [2019-09-20 13:43:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-09-20 13:43:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1139 transitions. [2019-09-20 13:43:26,809 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1139 transitions. Word has length 30 [2019-09-20 13:43:26,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:26,809 INFO L475 AbstractCegarLoop]: Abstraction has 852 states and 1139 transitions. [2019-09-20 13:43:26,809 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:26,809 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1139 transitions. [2019-09-20 13:43:26,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-09-20 13:43:26,813 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:26,813 INFO L407 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, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:26,813 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:26,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:26,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1857391625, now seen corresponding path program 1 times [2019-09-20 13:43:26,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:26,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:26,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:26,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:26,825 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:27,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:27,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:43:27,132 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:27,133 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:43:27,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:43:27,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:43:27,134 INFO L87 Difference]: Start difference. First operand 852 states and 1139 transitions. Second operand 6 states. [2019-09-20 13:43:27,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:27,962 INFO L93 Difference]: Finished difference Result 866 states and 1153 transitions. [2019-09-20 13:43:27,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:43:27,962 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2019-09-20 13:43:27,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:27,968 INFO L225 Difference]: With dead ends: 866 [2019-09-20 13:43:27,968 INFO L226 Difference]: Without dead ends: 866 [2019-09-20 13:43:27,969 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:43:27,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2019-09-20 13:43:28,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 857. [2019-09-20 13:43:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2019-09-20 13:43:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1143 transitions. [2019-09-20 13:43:28,010 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1143 transitions. Word has length 44 [2019-09-20 13:43:28,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:28,011 INFO L475 AbstractCegarLoop]: Abstraction has 857 states and 1143 transitions. [2019-09-20 13:43:28,011 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:43:28,011 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1143 transitions. [2019-09-20 13:43:28,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-09-20 13:43:28,013 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:28,014 INFO L407 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, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:28,014 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:28,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:28,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1679252791, now seen corresponding path program 1 times [2019-09-20 13:43:28,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:28,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:28,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:28,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:28,023 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:28,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:28,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:28,261 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:28,261 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:28,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:28,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:28,262 INFO L87 Difference]: Start difference. First operand 857 states and 1143 transitions. Second operand 3 states. [2019-09-20 13:43:31,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:31,256 INFO L93 Difference]: Finished difference Result 856 states and 1141 transitions. [2019-09-20 13:43:31,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:31,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-09-20 13:43:31,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:31,263 INFO L225 Difference]: With dead ends: 856 [2019-09-20 13:43:31,264 INFO L226 Difference]: Without dead ends: 856 [2019-09-20 13:43:31,264 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:31,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2019-09-20 13:43:31,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2019-09-20 13:43:31,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2019-09-20 13:43:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1141 transitions. [2019-09-20 13:43:31,302 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1141 transitions. Word has length 44 [2019-09-20 13:43:31,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:31,302 INFO L475 AbstractCegarLoop]: Abstraction has 856 states and 1141 transitions. [2019-09-20 13:43:31,302 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1141 transitions. [2019-09-20 13:43:31,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-09-20 13:43:31,304 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:31,305 INFO L407 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, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:31,305 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:31,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:31,305 INFO L82 PathProgramCache]: Analyzing trace with hash -517651619, now seen corresponding path program 1 times [2019-09-20 13:43:31,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:31,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:31,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:31,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:31,314 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:31,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:31,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:31,523 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:31,524 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:31,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:31,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:31,525 INFO L87 Difference]: Start difference. First operand 856 states and 1141 transitions. Second operand 3 states. [2019-09-20 13:43:34,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:34,524 INFO L93 Difference]: Finished difference Result 855 states and 1139 transitions. [2019-09-20 13:43:34,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:34,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-09-20 13:43:34,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:34,532 INFO L225 Difference]: With dead ends: 855 [2019-09-20 13:43:34,533 INFO L226 Difference]: Without dead ends: 855 [2019-09-20 13:43:34,533 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:34,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2019-09-20 13:43:34,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 855. [2019-09-20 13:43:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2019-09-20 13:43:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1139 transitions. [2019-09-20 13:43:34,560 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1139 transitions. Word has length 45 [2019-09-20 13:43:34,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:34,560 INFO L475 AbstractCegarLoop]: Abstraction has 855 states and 1139 transitions. [2019-09-20 13:43:34,560 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1139 transitions. [2019-09-20 13:43:34,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:43:34,562 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:34,562 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:34,563 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:34,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:34,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1132251212, now seen corresponding path program 1 times [2019-09-20 13:43:34,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:34,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:34,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,571 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:34,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:34,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:34,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:34,793 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:34,793 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:34,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:34,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:34,794 INFO L87 Difference]: Start difference. First operand 855 states and 1139 transitions. Second operand 3 states. [2019-09-20 13:43:37,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:37,397 INFO L93 Difference]: Finished difference Result 852 states and 1136 transitions. [2019-09-20 13:43:37,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:37,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-09-20 13:43:37,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:37,614 INFO L225 Difference]: With dead ends: 852 [2019-09-20 13:43:37,614 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:43:37,614 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:37,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:43:37,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:43:37,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:43:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:43:37,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2019-09-20 13:43:37,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:37,616 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:43:37,617 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:37,617 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:43:37,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:43:37,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:43:37 BoogieIcfgContainer [2019-09-20 13:43:37,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:43:37,625 INFO L168 Benchmark]: Toolchain (without parser) took 26088.11 ms. Allocated memory was 130.5 MB in the beginning and 624.4 MB in the end (delta: 493.9 MB). Free memory was 79.7 MB in the beginning and 97.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 476.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:37,630 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 13:43:37,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1701.56 ms. Allocated memory was 130.5 MB in the beginning and 210.2 MB in the end (delta: 79.7 MB). Free memory was 79.3 MB in the beginning and 107.2 MB in the end (delta: -27.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:37,632 INFO L168 Benchmark]: Boogie Preprocessor took 230.72 ms. Allocated memory is still 210.2 MB. Free memory was 107.2 MB in the beginning and 91.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:37,633 INFO L168 Benchmark]: RCFGBuilder took 8794.98 ms. Allocated memory was 210.2 MB in the beginning and 624.4 MB in the end (delta: 414.2 MB). Free memory was 91.6 MB in the beginning and 537.6 MB in the end (delta: -446.0 MB). Peak memory consumption was 462.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:37,634 INFO L168 Benchmark]: TraceAbstraction took 15355.71 ms. Allocated memory is still 624.4 MB. Free memory was 537.6 MB in the beginning and 97.6 MB in the end (delta: 440.0 MB). Peak memory consumption was 440.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:37,640 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 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1701.56 ms. Allocated memory was 130.5 MB in the beginning and 210.2 MB in the end (delta: 79.7 MB). Free memory was 79.3 MB in the beginning and 107.2 MB in the end (delta: -27.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 230.72 ms. Allocated memory is still 210.2 MB. Free memory was 107.2 MB in the beginning and 91.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8794.98 ms. Allocated memory was 210.2 MB in the beginning and 624.4 MB in the end (delta: 414.2 MB). Free memory was 91.6 MB in the beginning and 537.6 MB in the end (delta: -446.0 MB). Peak memory consumption was 462.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15355.71 ms. Allocated memory is still 624.4 MB. Free memory was 537.6 MB in the beginning and 97.6 MB in the end (delta: 440.0 MB). Peak memory consumption was 440.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4495]: 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 86 procedures, 747 locations, 1 error locations. SAFE Result, 15.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 13.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3069 SDtfs, 2877 SDslu, 2416 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=2, 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 13856 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...