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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 00:56:57,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:56:57,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:56:57,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:56:57,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:56:57,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:56:57,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:56:57,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:56:57,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:56:57,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:56:57,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:56:57,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:56:57,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:56:57,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:56:57,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:56:57,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:56:57,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:56:57,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:56:57,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:56:57,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:56:57,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:56:57,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:56:57,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:56:57,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:56:57,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:56:57,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:56:57,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:56:57,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:56:57,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:56:57,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:56:57,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:56:57,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:56:57,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:56:57,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:56:57,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:56:57,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:56:57,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:56:57,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:56:57,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:56:57,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:56:57,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:56:57,529 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 00:56:57,547 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:56:57,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:56:57,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:56:57,548 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:56:57,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:56:57,549 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:56:57,549 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:56:57,549 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:56:57,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:56:57,549 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:56:57,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:56:57,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:56:57,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:56:57,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:56:57,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:56:57,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:56:57,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:56:57,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:56:57,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:56:57,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:56:57,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:56:57,553 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:56:57,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:56:57,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:56:57,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:56:57,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:56:57,554 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:56:57,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:56:57,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:56:57,554 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:56:57,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:56:57,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:56:57,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:56:57,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:56:57,609 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:56:57,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2019-10-03 00:56:57,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455ad83a6/8ffa5f7b2d794b68b05b0c9ac655692f/FLAG0f2f8e7b1 [2019-10-03 00:56:58,525 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:56:58,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2019-10-03 00:56:58,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455ad83a6/8ffa5f7b2d794b68b05b0c9ac655692f/FLAG0f2f8e7b1 [2019-10-03 00:56:58,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455ad83a6/8ffa5f7b2d794b68b05b0c9ac655692f [2019-10-03 00:56:58,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:56:58,623 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:56:58,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:56:58,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:56:58,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:56:58,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:56:58" (1/1) ... [2019-10-03 00:56:58,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554a7ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:56:58, skipping insertion in model container [2019-10-03 00:56:58,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:56:58" (1/1) ... [2019-10-03 00:56:58,645 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:56:58,746 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:56:59,213 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1257] [2019-10-03 00:56:59,214 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1258-1259] [2019-10-03 00:56:59,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:57:00,211 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:57:00,280 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1257] [2019-10-03 00:57:00,280 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1258-1259] [2019-10-03 00:57:00,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:57:00,986 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:57:00,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:00 WrapperNode [2019-10-03 00:57:00,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:57:00,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:57:00,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:57:00,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:57:01,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:00" (1/1) ... [2019-10-03 00:57:01,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:00" (1/1) ... [2019-10-03 00:57:01,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:00" (1/1) ... [2019-10-03 00:57:01,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:00" (1/1) ... [2019-10-03 00:57:02,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:00" (1/1) ... [2019-10-03 00:57:02,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:00" (1/1) ... [2019-10-03 00:57:02,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:00" (1/1) ... [2019-10-03 00:57:02,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:57:02,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:57:02,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:57:02,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:57:02,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:00" (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 00:57:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:57:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:57:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-03 00:57:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-03 00:57:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-03 00:57:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-10-03 00:57:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-10-03 00:57:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:57:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:57:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:57:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:57:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:57:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:57:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:57:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:57:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:57:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_reprogram [2019-10-03 00:57:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_irq_request [2019-10-03 00:57:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_work_fn [2019-10-03 00:57:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_eeprom_read [2019-10-03 00:57:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_eeprom_write [2019-10-03 00:57:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_read_ee [2019-10-03 00:57:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_write_ee [2019-10-03 00:57:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_readl [2019-10-03 00:57:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_writel [2019-10-03 00:57:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_validate [2019-10-03 00:57:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_dev_release [2019-10-03 00:57:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_dev_create [2019-10-03 00:57:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_init [2019-10-03 00:57:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_exit [2019-10-03 00:57:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_fmc_operations_1 [2019-10-03 00:57:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:57:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-03 00:57:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 00:57:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-03 00:57:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 00:57:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-03 00:57:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-03 00:57:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-03 00:57:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-03 00:57:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-03 00:57:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2019-10-03 00:57:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure delayed_work_timer_fn [2019-10-03 00:57:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-03 00:57:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-10-03 00:57:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-03 00:57:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2019-10-03 00:57:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2019-10-03 00:57:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_register_n [2019-10-03 00:57:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_unregister_n [2019-10-03 00:57:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-03 00:57:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-10-03 00:57:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:57:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:57:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2019-10-03 00:57:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-10-03 00:57:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-03 00:57:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:57:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-03 00:57:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-03 00:57:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-03 00:57:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-03 00:57:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:57:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:57:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 00:57:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:57:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 00:57:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:57:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:57:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:57:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 00:57:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 00:57:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-03 00:57:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-10-03 00:57:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-03 00:57:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-03 00:57:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-03 00:57:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-03 00:57:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-03 00:57:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2019-10-03 00:57:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-10-03 00:57:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-10-03 00:57:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:57:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-03 00:57:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-03 00:57:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 00:57:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-03 00:57:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:57:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:57:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:57:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:57:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:57:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:57:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:57:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:57:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:57:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:57:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:57:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:57:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:57:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:57:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:57:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:57:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_fmc_operations_1 [2019-10-03 00:57:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-10-03 00:57:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2019-10-03 00:57:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2019-10-03 00:57:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-03 00:57:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-03 00:57:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-03 00:57:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-03 00:57:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-03 00:57:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-03 00:57:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_register_n [2019-10-03 00:57:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_unregister_n [2019-10-03 00:57:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure ff_reprogram [2019-10-03 00:57:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:57:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:57:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:57:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:57:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:57:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure ff_irq_request [2019-10-03 00:57:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure ff_dev_create [2019-10-03 00:57:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure ff_work_fn [2019-10-03 00:57:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure ff_eeprom_read [2019-10-03 00:57:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 00:57:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure ff_eeprom_write [2019-10-03 00:57:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure ff_read_ee [2019-10-03 00:57:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure ff_write_ee [2019-10-03 00:57:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure ff_readl [2019-10-03 00:57:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure ff_writel [2019-10-03 00:57:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure ff_validate [2019-10-03 00:57:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure ff_dev_release [2019-10-03 00:57:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:57:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure ff_init [2019-10-03 00:57:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure ff_exit [2019-10-03 00:57:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2019-10-03 00:57:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:57:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:57:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-10-03 00:57:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:57:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 00:57:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-03 00:57:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 00:57:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-03 00:57:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-03 00:57:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-03 00:57:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-03 00:57:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 00:57:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:57:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:57:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:57:02,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:57:02,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:57:02,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:57:02,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 00:57:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 00:57:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 00:57:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 00:57:03,857 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 01:00:11,946 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 01:00:11,948 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 01:00:11,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:00:11 BoogieIcfgContainer [2019-10-03 01:00:11,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 01:00:11,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 01:00:11,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 01:00:11,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 01:00:11,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:56:58" (1/3) ... [2019-10-03 01:00:11,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@985b99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:00:11, skipping insertion in model container [2019-10-03 01:00:11,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:57:00" (2/3) ... [2019-10-03 01:00:11,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@985b99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:00:11, skipping insertion in model container [2019-10-03 01:00:11,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:00:11" (3/3) ... [2019-10-03 01:00:11,963 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2019-10-03 01:00:11,974 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 01:00:11,992 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 01:00:12,011 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 01:00:12,047 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 01:00:12,047 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 01:00:12,047 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 01:00:12,048 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 01:00:12,048 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 01:00:12,048 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 01:00:12,048 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 01:00:12,048 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 01:00:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states. [2019-10-03 01:00:12,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-03 01:00:12,119 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:00:12,121 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:12,123 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:00:12,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:00:12,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1081411063, now seen corresponding path program 1 times [2019-10-03 01:00:12,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:00:12,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:00:12,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:00:12,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:00:12,208 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:00:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:00:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-03 01:00:16,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:00:16,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:00:16,767 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:00:16,775 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:00:16,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:00:16,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:00:16,795 INFO L87 Difference]: Start difference. First operand 381 states. Second operand 3 states. [2019-10-03 01:00:16,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:00:16,907 INFO L93 Difference]: Finished difference Result 366 states and 467 transitions. [2019-10-03 01:00:16,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:00:16,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-10-03 01:00:16,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:00:16,927 INFO L225 Difference]: With dead ends: 366 [2019-10-03 01:00:16,927 INFO L226 Difference]: Without dead ends: 341 [2019-10-03 01:00:16,929 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 01:00:16,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-10-03 01:00:17,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 334. [2019-10-03 01:00:17,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-10-03 01:00:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 424 transitions. [2019-10-03 01:00:17,017 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 424 transitions. Word has length 65 [2019-10-03 01:00:17,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:00:17,018 INFO L475 AbstractCegarLoop]: Abstraction has 334 states and 424 transitions. [2019-10-03 01:00:17,018 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:00:17,019 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 424 transitions. [2019-10-03 01:00:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-03 01:00:17,024 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:00:17,024 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:17,025 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:00:17,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:00:17,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1957993753, now seen corresponding path program 1 times [2019-10-03 01:00:17,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:00:17,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:00:17,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:00:17,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:00:17,032 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:00:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:00:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-03 01:00:21,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:00:21,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:00:21,977 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:00:21,984 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:00:21,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:00:21,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:00:21,985 INFO L87 Difference]: Start difference. First operand 334 states and 424 transitions. Second operand 3 states. [2019-10-03 01:00:24,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:00:24,610 INFO L93 Difference]: Finished difference Result 604 states and 764 transitions. [2019-10-03 01:00:24,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:00:24,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2019-10-03 01:00:24,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:00:24,617 INFO L225 Difference]: With dead ends: 604 [2019-10-03 01:00:24,617 INFO L226 Difference]: Without dead ends: 604 [2019-10-03 01:00:24,618 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 01:00:24,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2019-10-03 01:00:24,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 601. [2019-10-03 01:00:24,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-10-03 01:00:24,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 762 transitions. [2019-10-03 01:00:24,673 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 762 transitions. Word has length 72 [2019-10-03 01:00:24,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:00:24,674 INFO L475 AbstractCegarLoop]: Abstraction has 601 states and 762 transitions. [2019-10-03 01:00:24,674 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:00:24,674 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 762 transitions. [2019-10-03 01:00:24,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-03 01:00:24,681 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:00:24,682 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:24,682 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:00:24,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:00:24,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1155983698, now seen corresponding path program 1 times [2019-10-03 01:00:24,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:00:24,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:00:24,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:00:24,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:00:24,688 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:00:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:00:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 01:00:27,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:00:27,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:00:27,346 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:00:27,347 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:00:27,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:00:27,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:00:27,348 INFO L87 Difference]: Start difference. First operand 601 states and 762 transitions. Second operand 3 states. [2019-10-03 01:00:27,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:00:27,381 INFO L93 Difference]: Finished difference Result 598 states and 758 transitions. [2019-10-03 01:00:27,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:00:27,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-10-03 01:00:27,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:00:27,384 INFO L225 Difference]: With dead ends: 598 [2019-10-03 01:00:27,384 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 01:00:27,384 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 01:00:27,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 01:00:27,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 01:00:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 01:00:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 01:00:27,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-10-03 01:00:27,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:00:27,386 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 01:00:27,386 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:00:27,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 01:00:27,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 01:00:27,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 01:00:27 BoogieIcfgContainer [2019-10-03 01:00:27,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 01:00:27,403 INFO L168 Benchmark]: Toolchain (without parser) took 208779.77 ms. Allocated memory was 138.4 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 81.1 MB in the beginning and 196.4 MB in the end (delta: -115.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-10-03 01:00:27,406 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-03 01:00:27,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2360.06 ms. Allocated memory was 138.4 MB in the beginning and 277.9 MB in the end (delta: 139.5 MB). Free memory was 80.7 MB in the beginning and 47.2 MB in the end (delta: 33.5 MB). Peak memory consumption was 173.0 MB. Max. memory is 7.1 GB. [2019-10-03 01:00:27,410 INFO L168 Benchmark]: Boogie Preprocessor took 1779.13 ms. Allocated memory was 277.9 MB in the beginning and 479.2 MB in the end (delta: 201.3 MB). Free memory was 47.2 MB in the beginning and 321.5 MB in the end (delta: -274.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. [2019-10-03 01:00:27,412 INFO L168 Benchmark]: RCFGBuilder took 189183.99 ms. Allocated memory was 479.2 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 321.5 MB in the beginning and 925.5 MB in the end (delta: -603.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-10-03 01:00:27,413 INFO L168 Benchmark]: TraceAbstraction took 15445.24 ms. Allocated memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: 178.8 MB). Free memory was 925.5 MB in the beginning and 196.4 MB in the end (delta: 729.0 MB). Peak memory consumption was 907.8 MB. Max. memory is 7.1 GB. [2019-10-03 01:00:27,424 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2360.06 ms. Allocated memory was 138.4 MB in the beginning and 277.9 MB in the end (delta: 139.5 MB). Free memory was 80.7 MB in the beginning and 47.2 MB in the end (delta: 33.5 MB). Peak memory consumption was 173.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1779.13 ms. Allocated memory was 277.9 MB in the beginning and 479.2 MB in the end (delta: 201.3 MB). Free memory was 47.2 MB in the beginning and 321.5 MB in the end (delta: -274.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 189183.99 ms. Allocated memory was 479.2 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 321.5 MB in the beginning and 925.5 MB in the end (delta: -603.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * TraceAbstraction took 15445.24 ms. Allocated memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: 178.8 MB). Free memory was 925.5 MB in the beginning and 196.4 MB in the end (delta: 729.0 MB). Peak memory consumption was 907.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1457]: 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 67 procedures, 437 locations, 1 error locations. SAFE Result, 15.3s OverallTime, 3 OverallIterations, 5 TraceHistogramMax, 2.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1341 SDtfs, 746 SDslu, 832 SDs, 0 SdLazy, 20 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s 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=601occurred 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.0s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 21750 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 121/121 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...