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/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 23:35:00,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 23:35:00,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 23:35:00,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 23:35:00,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 23:35:00,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 23:35:00,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 23:35:00,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 23:35:00,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 23:35:00,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 23:35:00,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 23:35:00,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 23:35:00,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 23:35:00,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 23:35:00,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 23:35:00,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 23:35:00,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 23:35:00,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 23:35:00,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 23:35:00,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 23:35:00,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 23:35:00,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 23:35:00,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 23:35:01,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 23:35:01,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 23:35:01,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 23:35:01,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 23:35:01,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 23:35:01,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 23:35:01,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 23:35:01,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 23:35:01,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 23:35:01,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 23:35:01,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 23:35:01,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 23:35:01,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 23:35:01,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 23:35:01,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 23:35:01,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 23:35:01,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 23:35:01,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 23:35:01,014 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 [2019-10-02 23:35:01,030 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 23:35:01,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 23:35:01,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 23:35:01,031 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 23:35:01,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 23:35:01,032 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 23:35:01,032 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 23:35:01,033 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 23:35:01,033 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 23:35:01,033 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 23:35:01,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 23:35:01,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 23:35:01,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 23:35:01,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 23:35:01,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 23:35:01,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 23:35:01,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 23:35:01,035 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 23:35:01,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 23:35:01,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 23:35:01,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 23:35:01,036 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 23:35:01,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 23:35:01,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:35:01,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 23:35:01,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 23:35:01,037 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 23:35:01,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 23:35:01,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 23:35:01,038 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 23:35:01,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 23:35:01,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 23:35:01,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 23:35:01,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 23:35:01,094 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 23:35:01,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-10-02 23:35:01,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096bcfaf5/654cacd135274627acf02ab2e2351acb/FLAGfbc318057 [2019-10-02 23:35:02,083 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 23:35:02,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-10-02 23:35:02,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096bcfaf5/654cacd135274627acf02ab2e2351acb/FLAGfbc318057 [2019-10-02 23:35:02,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096bcfaf5/654cacd135274627acf02ab2e2351acb [2019-10-02 23:35:02,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 23:35:02,549 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 23:35:02,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 23:35:02,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 23:35:02,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 23:35:02,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:35:02" (1/1) ... [2019-10-02 23:35:02,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b843cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:02, skipping insertion in model container [2019-10-02 23:35:02,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:35:02" (1/1) ... [2019-10-02 23:35:02,566 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 23:35:02,684 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 23:35:04,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:35:04,605 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 23:35:04,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:35:05,122 INFO L192 MainTranslator]: Completed translation [2019-10-02 23:35:05,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:05 WrapperNode [2019-10-02 23:35:05,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 23:35:05,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 23:35:05,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 23:35:05,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 23:35:05,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:05" (1/1) ... [2019-10-02 23:35:05,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:05" (1/1) ... [2019-10-02 23:35:05,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:05" (1/1) ... [2019-10-02 23:35:05,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:05" (1/1) ... [2019-10-02 23:35:05,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:05" (1/1) ... [2019-10-02 23:35:05,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:05" (1/1) ... [2019-10-02 23:35:05,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:05" (1/1) ... [2019-10-02 23:35:05,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 23:35:05,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 23:35:05,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 23:35:05,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 23:35:05,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:05" (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 [2019-10-02 23:35:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 23:35:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 23:35:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-02 23:35:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 23:35:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 23:35:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-02 23:35:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-02 23:35:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 23:35:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 23:35:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-10-02 23:35:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ia32_task [2019-10-02 23:35:05,551 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-02 23:35:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 23:35:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 23:35:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-02 23:35:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 23:35:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-02 23:35:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-02 23:35:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-02 23:35:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-02 23:35:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-02 23:35:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-02 23:35:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-02 23:35:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 23:35:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 23:35:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 23:35:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 23:35:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 23:35:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-02 23:35:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-10-02 23:35:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-10-02 23:35:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_events_per_packet [2019-10-02 23:35:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2019-10-02 23:35:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_min [2019-10-02 23:35:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2019-10-02 23:35:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_max [2019-10-02 23:35:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_fuzz [2019-10-02 23:35:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2019-10-02 23:35:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_flat [2019-10-02 23:35:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-02 23:35:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_x32_task [2019-10-02 23:35:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2019-10-02 23:35:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2019-10-02 23:35:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_event [2019-10-02 23:35:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_alloc_id [2019-10-02 23:35:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2019-10-02 23:35:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_reserve_slot [2019-10-02 23:35:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2019-10-02 23:35:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_send [2019-10-02 23:35:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_submit [2019-10-02 23:35:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_flush_requests [2019-10-02 23:35:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_gain [2019-10-02 23:35:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_autocenter [2019-10-02 23:35:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_playback [2019-10-02 23:35:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_upload_effect [2019-10-02 23:35:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_erase_effect [2019-10-02 23:35:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2019-10-02 23:35:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_create_device [2019-10-02 23:35:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_open [2019-10-02 23:35:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_validate_absbits [2019-10-02 23:35:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2019-10-02 23:35:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_setup_device [2019-10-02 23:35:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_inject_event [2019-10-02 23:35:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_write [2019-10-02 23:35:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_fetch_next_event [2019-10-02 23:35:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_events_to_user [2019-10-02 23:35:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_read [2019-10-02 23:35:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_poll [2019-10-02 23:35:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_release [2019-10-02 23:35:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_to_user [2019-10-02 23:35:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2019-10-02 23:35:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2019-10-02 23:35:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl [2019-10-02 23:35:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_compat_ioctl [2019-10-02 23:35:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_init [2019-10-02 23:35:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_exit [2019-10-02 23:35:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 23:35:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-02 23:35:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-02 23:35:05,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-02 23:35:05,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-02 23:35:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-02 23:35:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-10-02 23:35:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-02 23:35:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2019-10-02 23:35:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-02 23:35:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-10-02 23:35:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-02 23:35:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-02 23:35:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-02 23:35:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 23:35:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 23:35:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 23:35:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-02 23:35:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-02 23:35:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-02 23:35:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 23:35:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-02 23:35:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-02 23:35:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 23:35:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 23:35:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 23:35:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 23:35:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 23:35:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 23:35:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 23:35:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-10-02 23:35:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-10-02 23:35:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-10-02 23:35:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-10-02 23:35:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-10-02 23:35:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-10-02 23:35:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-10-02 23:35:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 23:35:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 23:35:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-02 23:35:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 23:35:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 23:35:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-02 23:35:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-02 23:35:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-02 23:35:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 23:35:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-02 23:35:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 23:35:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-02 23:35:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-02 23:35:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 23:35:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 23:35:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-10-02 23:35:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-02 23:35:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2019-10-02 23:35:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-02 23:35:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_from_user [2019-10-02 23:35:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_to_user [2019-10-02 23:35:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create [2019-10-02 23:35:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_destroy [2019-10-02 23:35:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-02 23:35:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_init_slots [2019-10-02 23:35:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-02 23:35:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-02 23:35:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrndup [2019-10-02 23:35:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-02 23:35:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-02 23:35:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-10-02 23:35:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-02 23:35:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-02 23:35:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-02 23:35:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-02 23:35:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-02 23:35:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-02 23:35:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 23:35:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2019-10-02 23:35:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-02 23:35:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 23:35:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-02 23:35:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-10-02 23:35:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-02 23:35:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-02 23:35:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 23:35:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 23:35:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 23:35:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 23:35:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 23:35:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 23:35:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 23:35:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 23:35:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 23:35:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-02 23:35:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 23:35:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-02 23:35:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 23:35:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-02 23:35:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-10-02 23:35:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-10-02 23:35:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 23:35:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 23:35:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure kstrndup [2019-10-02 23:35:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-02 23:35:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 23:35:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 23:35:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 23:35:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-02 23:35:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-02 23:35:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 23:35:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-02 23:35:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-02 23:35:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-02 23:35:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-02 23:35:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-02 23:35:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-02 23:35:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-02 23:35:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-10-02 23:35:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2019-10-02 23:35:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-10-02 23:35:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-02 23:35:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-02 23:35:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-02 23:35:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-02 23:35:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-02 23:35:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-02 23:35:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 23:35:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 23:35:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 23:35:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-10-02 23:35:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-10-02 23:35:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-10-02 23:35:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_ia32_task [2019-10-02 23:35:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-02 23:35:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 23:35:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 23:35:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-02 23:35:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 23:35:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-02 23:35:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 23:35:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 23:35:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-02 23:35:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 23:35:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-02 23:35:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-10-02 23:35:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-02 23:35:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-02 23:35:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-02 23:35:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-02 23:35:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-02 23:35:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-02 23:35:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 23:35:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 23:35:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 23:35:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-02 23:35:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-02 23:35:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-10-02 23:35:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-10-02 23:35:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-02 23:35:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-02 23:35:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-02 23:35:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-02 23:35:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-02 23:35:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-02 23:35:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 23:35:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-02 23:35:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-02 23:35:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-02 23:35:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 23:35:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 23:35:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 23:35:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 23:35:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 23:35:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 23:35:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 23:35:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 23:35:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 23:35:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 23:35:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-02 23:35:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-02 23:35:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 23:35:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 23:35:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-02 23:35:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-02 23:35:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-10-02 23:35:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-10-02 23:35:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-02 23:35:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-02 23:35:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-02 23:35:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_events_per_packet [2019-10-02 23:35:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2019-10-02 23:35:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2019-10-02 23:35:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_min [2019-10-02 23:35:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2019-10-02 23:35:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_max [2019-10-02 23:35:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_fuzz [2019-10-02 23:35:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2019-10-02 23:35:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_flat [2019-10-02 23:35:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create [2019-10-02 23:35:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_destroy [2019-10-02 23:35:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_init_slots [2019-10-02 23:35:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-02 23:35:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure is_x32_task [2019-10-02 23:35:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2019-10-02 23:35:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2019-10-02 23:35:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_from_user [2019-10-02 23:35:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_to_user [2019-10-02 23:35:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_event [2019-10-02 23:35:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_alloc_id [2019-10-02 23:35:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 23:35:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2019-10-02 23:35:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_reserve_slot [2019-10-02 23:35:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2019-10-02 23:35:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_send [2019-10-02 23:35:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_submit [2019-10-02 23:35:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_flush_requests [2019-10-02 23:35:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_gain [2019-10-02 23:35:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_autocenter [2019-10-02 23:35:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_playback [2019-10-02 23:35:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_upload_effect [2019-10-02 23:35:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_erase_effect [2019-10-02 23:35:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2019-10-02 23:35:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_create_device [2019-10-02 23:35:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_open [2019-10-02 23:35:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_validate_absbits [2019-10-02 23:35:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2019-10-02 23:35:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_setup_device [2019-10-02 23:35:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_inject_event [2019-10-02 23:35:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_write [2019-10-02 23:35:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_fetch_next_event [2019-10-02 23:35:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_events_to_user [2019-10-02 23:35:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_read [2019-10-02 23:35:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_poll [2019-10-02 23:35:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_release [2019-10-02 23:35:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_to_user [2019-10-02 23:35:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 23:35:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2019-10-02 23:35:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2019-10-02 23:35:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 23:35:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl [2019-10-02 23:35:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_compat_ioctl [2019-10-02 23:35:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_init [2019-10-02 23:35:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_exit [2019-10-02 23:35:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 23:35:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-02 23:35:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 23:35:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-02 23:35:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 23:35:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 23:35:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 23:35:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-02 23:35:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-02 23:35:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 23:35:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-02 23:35:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 23:35:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 23:35:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 23:35:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 23:35:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-10-02 23:35:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-10-02 23:35:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-10-02 23:35:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-10-02 23:35:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-10-02 23:35:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 23:35:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 23:35:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 23:35:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 23:35:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 23:35:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 23:35:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 23:35:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 23:35:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 23:35:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 23:35:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 23:35:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 23:35:16,375 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 23:35:16,376 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 23:35:16,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:35:16 BoogieIcfgContainer [2019-10-02 23:35:16,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 23:35:16,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 23:35:16,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 23:35:16,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 23:35:16,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:35:02" (1/3) ... [2019-10-02 23:35:16,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9d6e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:35:16, skipping insertion in model container [2019-10-02 23:35:16,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:35:05" (2/3) ... [2019-10-02 23:35:16,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9d6e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:35:16, skipping insertion in model container [2019-10-02 23:35:16,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:35:16" (3/3) ... [2019-10-02 23:35:16,389 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-10-02 23:35:16,400 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 23:35:16,417 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 23:35:16,434 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 23:35:16,462 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 23:35:16,462 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 23:35:16,462 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 23:35:16,462 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 23:35:16,463 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 23:35:16,463 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 23:35:16,463 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 23:35:16,463 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 23:35:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states. [2019-10-02 23:35:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-02 23:35:16,517 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:16,519 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:16,522 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:16,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:16,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1245439551, now seen corresponding path program 1 times [2019-10-02 23:35:16,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:16,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:16,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:16,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:16,613 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:35:17,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:17,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:35:17,027 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:17,035 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:35:17,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:35:17,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:17,061 INFO L87 Difference]: Start difference. First operand 1131 states. Second operand 3 states. [2019-10-02 23:35:17,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:17,274 INFO L93 Difference]: Finished difference Result 928 states and 1187 transitions. [2019-10-02 23:35:17,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:35:17,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-02 23:35:17,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:17,308 INFO L225 Difference]: With dead ends: 928 [2019-10-02 23:35:17,308 INFO L226 Difference]: Without dead ends: 921 [2019-10-02 23:35:17,310 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 [2019-10-02 23:35:17,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2019-10-02 23:35:17,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2019-10-02 23:35:17,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-10-02 23:35:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1180 transitions. [2019-10-02 23:35:17,431 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1180 transitions. Word has length 28 [2019-10-02 23:35:17,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:17,433 INFO L475 AbstractCegarLoop]: Abstraction has 921 states and 1180 transitions. [2019-10-02 23:35:17,433 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:35:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1180 transitions. [2019-10-02 23:35:17,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-02 23:35:17,436 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:17,436 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:17,436 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:17,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:17,437 INFO L82 PathProgramCache]: Analyzing trace with hash -46644403, now seen corresponding path program 1 times [2019-10-02 23:35:17,437 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:17,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:17,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:17,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:17,450 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:35:17,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:17,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:35:17,599 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:17,601 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:35:17,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:35:17,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:17,602 INFO L87 Difference]: Start difference. First operand 921 states and 1180 transitions. Second operand 3 states. [2019-10-02 23:35:17,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:17,660 INFO L93 Difference]: Finished difference Result 920 states and 1178 transitions. [2019-10-02 23:35:17,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:35:17,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-10-02 23:35:17,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:17,668 INFO L225 Difference]: With dead ends: 920 [2019-10-02 23:35:17,669 INFO L226 Difference]: Without dead ends: 920 [2019-10-02 23:35:17,670 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 [2019-10-02 23:35:17,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2019-10-02 23:35:17,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2019-10-02 23:35:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2019-10-02 23:35:17,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1178 transitions. [2019-10-02 23:35:17,715 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1178 transitions. Word has length 29 [2019-10-02 23:35:17,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:17,716 INFO L475 AbstractCegarLoop]: Abstraction has 920 states and 1178 transitions. [2019-10-02 23:35:17,716 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:35:17,716 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1178 transitions. [2019-10-02 23:35:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-02 23:35:17,717 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:17,717 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:17,718 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:17,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:17,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1446536446, now seen corresponding path program 1 times [2019-10-02 23:35:17,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:17,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:17,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:17,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:17,731 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:35:17,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:17,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:35:17,840 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:17,841 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:35:17,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:35:17,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:17,842 INFO L87 Difference]: Start difference. First operand 920 states and 1178 transitions. Second operand 3 states. [2019-10-02 23:35:17,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:17,937 INFO L93 Difference]: Finished difference Result 1752 states and 2270 transitions. [2019-10-02 23:35:17,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:35:17,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-10-02 23:35:17,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:17,951 INFO L225 Difference]: With dead ends: 1752 [2019-10-02 23:35:17,952 INFO L226 Difference]: Without dead ends: 1739 [2019-10-02 23:35:17,952 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 [2019-10-02 23:35:17,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1739 states. [2019-10-02 23:35:18,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1739 to 1736. [2019-10-02 23:35:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1736 states. [2019-10-02 23:35:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2252 transitions. [2019-10-02 23:35:18,070 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2252 transitions. Word has length 30 [2019-10-02 23:35:18,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:18,070 INFO L475 AbstractCegarLoop]: Abstraction has 1736 states and 2252 transitions. [2019-10-02 23:35:18,070 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:35:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2252 transitions. [2019-10-02 23:35:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-02 23:35:18,085 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:18,085 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:18,086 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:18,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:18,086 INFO L82 PathProgramCache]: Analyzing trace with hash 601031101, now seen corresponding path program 1 times [2019-10-02 23:35:18,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:18,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:18,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:18,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:18,099 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-02 23:35:18,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:18,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:35:18,252 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:18,253 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:35:18,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:35:18,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:18,254 INFO L87 Difference]: Start difference. First operand 1736 states and 2252 transitions. Second operand 3 states. [2019-10-02 23:35:18,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:18,344 INFO L93 Difference]: Finished difference Result 1786 states and 2335 transitions. [2019-10-02 23:35:18,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:35:18,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2019-10-02 23:35:18,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:18,361 INFO L225 Difference]: With dead ends: 1786 [2019-10-02 23:35:18,361 INFO L226 Difference]: Without dead ends: 1786 [2019-10-02 23:35:18,362 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 [2019-10-02 23:35:18,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2019-10-02 23:35:18,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1786. [2019-10-02 23:35:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1786 states. [2019-10-02 23:35:18,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1786 states and 2335 transitions. [2019-10-02 23:35:18,446 INFO L78 Accepts]: Start accepts. Automaton has 1786 states and 2335 transitions. Word has length 63 [2019-10-02 23:35:18,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:18,449 INFO L475 AbstractCegarLoop]: Abstraction has 1786 states and 2335 transitions. [2019-10-02 23:35:18,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:35:18,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2335 transitions. [2019-10-02 23:35:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-02 23:35:18,452 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:18,452 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:18,452 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:18,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:18,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1842497176, now seen corresponding path program 1 times [2019-10-02 23:35:18,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:18,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:18,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:18,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:18,465 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-02 23:35:18,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:18,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:35:18,618 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:18,619 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:35:18,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:35:18,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:18,620 INFO L87 Difference]: Start difference. First operand 1786 states and 2335 transitions. Second operand 3 states. [2019-10-02 23:35:18,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:18,705 INFO L93 Difference]: Finished difference Result 1788 states and 2308 transitions. [2019-10-02 23:35:18,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:35:18,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2019-10-02 23:35:18,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:18,719 INFO L225 Difference]: With dead ends: 1788 [2019-10-02 23:35:18,719 INFO L226 Difference]: Without dead ends: 1788 [2019-10-02 23:35:18,719 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:35:18,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2019-10-02 23:35:18,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1782. [2019-10-02 23:35:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1782 states. [2019-10-02 23:35:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1782 states and 2301 transitions. [2019-10-02 23:35:18,789 INFO L78 Accepts]: Start accepts. Automaton has 1782 states and 2301 transitions. Word has length 73 [2019-10-02 23:35:18,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:18,789 INFO L475 AbstractCegarLoop]: Abstraction has 1782 states and 2301 transitions. [2019-10-02 23:35:18,790 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:35:18,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2301 transitions. [2019-10-02 23:35:18,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-02 23:35:18,794 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:18,794 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:18,795 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:18,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:18,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1571569448, now seen corresponding path program 1 times [2019-10-02 23:35:18,795 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:18,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:18,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:18,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:18,808 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:18,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-02 23:35:18,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:18,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:35:18,997 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:18,998 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:35:19,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:35:19,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:19,000 INFO L87 Difference]: Start difference. First operand 1782 states and 2301 transitions. Second operand 7 states. [2019-10-02 23:35:19,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:19,153 INFO L93 Difference]: Finished difference Result 1528 states and 1927 transitions. [2019-10-02 23:35:19,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:35:19,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-10-02 23:35:19,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:19,165 INFO L225 Difference]: With dead ends: 1528 [2019-10-02 23:35:19,166 INFO L226 Difference]: Without dead ends: 1528 [2019-10-02 23:35:19,166 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:19,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2019-10-02 23:35:19,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1523. [2019-10-02 23:35:19,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2019-10-02 23:35:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1920 transitions. [2019-10-02 23:35:19,213 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1920 transitions. Word has length 79 [2019-10-02 23:35:19,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:19,214 INFO L475 AbstractCegarLoop]: Abstraction has 1523 states and 1920 transitions. [2019-10-02 23:35:19,214 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:35:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1920 transitions. [2019-10-02 23:35:19,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-02 23:35:19,219 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:19,219 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:19,220 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:19,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:19,220 INFO L82 PathProgramCache]: Analyzing trace with hash 730570750, now seen corresponding path program 1 times [2019-10-02 23:35:19,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:19,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:19,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:19,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:19,231 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-02 23:35:19,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:19,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:35:19,391 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:19,391 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:35:19,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:35:19,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:19,393 INFO L87 Difference]: Start difference. First operand 1523 states and 1920 transitions. Second operand 7 states. [2019-10-02 23:35:19,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:19,534 INFO L93 Difference]: Finished difference Result 1516 states and 1911 transitions. [2019-10-02 23:35:19,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:35:19,535 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2019-10-02 23:35:19,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:19,546 INFO L225 Difference]: With dead ends: 1516 [2019-10-02 23:35:19,547 INFO L226 Difference]: Without dead ends: 1516 [2019-10-02 23:35:19,547 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:19,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2019-10-02 23:35:19,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1511. [2019-10-02 23:35:19,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1511 states. [2019-10-02 23:35:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 1904 transitions. [2019-10-02 23:35:19,617 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 1904 transitions. Word has length 84 [2019-10-02 23:35:19,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:19,617 INFO L475 AbstractCegarLoop]: Abstraction has 1511 states and 1904 transitions. [2019-10-02 23:35:19,617 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:35:19,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1904 transitions. [2019-10-02 23:35:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-02 23:35:19,627 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:19,627 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:19,627 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:19,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:19,628 INFO L82 PathProgramCache]: Analyzing trace with hash -139026645, now seen corresponding path program 1 times [2019-10-02 23:35:19,628 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:19,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:19,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:19,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:19,638 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-02 23:35:19,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:19,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 23:35:19,808 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:19,810 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 23:35:19,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 23:35:19,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 23:35:19,811 INFO L87 Difference]: Start difference. First operand 1511 states and 1904 transitions. Second operand 5 states. [2019-10-02 23:35:19,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:19,864 INFO L93 Difference]: Finished difference Result 1524 states and 1920 transitions. [2019-10-02 23:35:19,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 23:35:19,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2019-10-02 23:35:19,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:19,875 INFO L225 Difference]: With dead ends: 1524 [2019-10-02 23:35:19,876 INFO L226 Difference]: Without dead ends: 1519 [2019-10-02 23:35:19,876 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 23:35:19,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2019-10-02 23:35:19,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1516. [2019-10-02 23:35:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2019-10-02 23:35:19,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1909 transitions. [2019-10-02 23:35:19,935 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1909 transitions. Word has length 103 [2019-10-02 23:35:19,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:19,936 INFO L475 AbstractCegarLoop]: Abstraction has 1516 states and 1909 transitions. [2019-10-02 23:35:19,937 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 23:35:19,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1909 transitions. [2019-10-02 23:35:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-02 23:35:19,943 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:19,943 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:19,943 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:19,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:19,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1141556633, now seen corresponding path program 1 times [2019-10-02 23:35:19,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:19,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:19,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:19,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:19,957 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-02 23:35:20,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:20,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-02 23:35:20,360 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:20,361 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 23:35:20,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 23:35:20,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-02 23:35:20,362 INFO L87 Difference]: Start difference. First operand 1516 states and 1909 transitions. Second operand 11 states. [2019-10-02 23:35:20,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:20,490 INFO L93 Difference]: Finished difference Result 1544 states and 1938 transitions. [2019-10-02 23:35:20,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 23:35:20,491 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2019-10-02 23:35:20,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:20,502 INFO L225 Difference]: With dead ends: 1544 [2019-10-02 23:35:20,502 INFO L226 Difference]: Without dead ends: 1542 [2019-10-02 23:35:20,503 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-02 23:35:20,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2019-10-02 23:35:20,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1540. [2019-10-02 23:35:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1540 states. [2019-10-02 23:35:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 1934 transitions. [2019-10-02 23:35:20,551 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 1934 transitions. Word has length 130 [2019-10-02 23:35:20,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:20,552 INFO L475 AbstractCegarLoop]: Abstraction has 1540 states and 1934 transitions. [2019-10-02 23:35:20,552 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 23:35:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1934 transitions. [2019-10-02 23:35:20,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-02 23:35:20,557 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:20,557 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:20,557 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:20,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:20,558 INFO L82 PathProgramCache]: Analyzing trace with hash -765053107, now seen corresponding path program 1 times [2019-10-02 23:35:20,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:20,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:20,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:20,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:20,567 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 23:35:20,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:20,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:35:20,758 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:20,758 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:35:20,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:35:20,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:20,759 INFO L87 Difference]: Start difference. First operand 1540 states and 1934 transitions. Second operand 7 states. [2019-10-02 23:35:20,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:20,845 INFO L93 Difference]: Finished difference Result 1493 states and 1877 transitions. [2019-10-02 23:35:20,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:35:20,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2019-10-02 23:35:20,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:20,854 INFO L225 Difference]: With dead ends: 1493 [2019-10-02 23:35:20,855 INFO L226 Difference]: Without dead ends: 1493 [2019-10-02 23:35:20,855 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:20,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2019-10-02 23:35:20,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1491. [2019-10-02 23:35:20,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2019-10-02 23:35:20,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1875 transitions. [2019-10-02 23:35:20,898 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1875 transitions. Word has length 135 [2019-10-02 23:35:20,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:20,899 INFO L475 AbstractCegarLoop]: Abstraction has 1491 states and 1875 transitions. [2019-10-02 23:35:20,899 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:35:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1875 transitions. [2019-10-02 23:35:20,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-02 23:35:20,904 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:20,904 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:20,904 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:20,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:20,905 INFO L82 PathProgramCache]: Analyzing trace with hash -997052486, now seen corresponding path program 1 times [2019-10-02 23:35:20,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:20,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:20,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:20,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:20,913 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 23:35:21,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:21,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:35:21,063 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:21,064 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:35:21,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:35:21,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:21,065 INFO L87 Difference]: Start difference. First operand 1491 states and 1875 transitions. Second operand 7 states. [2019-10-02 23:35:21,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:21,125 INFO L93 Difference]: Finished difference Result 1288 states and 1623 transitions. [2019-10-02 23:35:21,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:35:21,126 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2019-10-02 23:35:21,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:21,134 INFO L225 Difference]: With dead ends: 1288 [2019-10-02 23:35:21,134 INFO L226 Difference]: Without dead ends: 1277 [2019-10-02 23:35:21,135 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2019-10-02 23:35:21,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1275. [2019-10-02 23:35:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2019-10-02 23:35:21,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1610 transitions. [2019-10-02 23:35:21,174 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1610 transitions. Word has length 142 [2019-10-02 23:35:21,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:21,174 INFO L475 AbstractCegarLoop]: Abstraction has 1275 states and 1610 transitions. [2019-10-02 23:35:21,174 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:35:21,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1610 transitions. [2019-10-02 23:35:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-02 23:35:21,180 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:21,180 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:21,181 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:21,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:21,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1814006337, now seen corresponding path program 1 times [2019-10-02 23:35:21,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:21,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:21,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:21,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:21,190 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:21,308 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-02 23:35:21,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:21,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 23:35:21,309 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:21,310 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 23:35:21,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 23:35:21,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 23:35:21,310 INFO L87 Difference]: Start difference. First operand 1275 states and 1610 transitions. Second operand 4 states. [2019-10-02 23:35:21,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:21,397 INFO L93 Difference]: Finished difference Result 1323 states and 1688 transitions. [2019-10-02 23:35:21,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 23:35:21,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2019-10-02 23:35:21,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:21,406 INFO L225 Difference]: With dead ends: 1323 [2019-10-02 23:35:21,406 INFO L226 Difference]: Without dead ends: 1323 [2019-10-02 23:35:21,407 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 23:35:21,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2019-10-02 23:35:21,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1319. [2019-10-02 23:35:21,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2019-10-02 23:35:21,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1682 transitions. [2019-10-02 23:35:21,447 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1682 transitions. Word has length 154 [2019-10-02 23:35:21,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:21,447 INFO L475 AbstractCegarLoop]: Abstraction has 1319 states and 1682 transitions. [2019-10-02 23:35:21,447 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 23:35:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1682 transitions. [2019-10-02 23:35:21,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-02 23:35:21,453 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:21,453 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:21,454 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:21,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:21,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1005900670, now seen corresponding path program 1 times [2019-10-02 23:35:21,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:21,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:21,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:21,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:21,463 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:21,628 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-02 23:35:21,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:21,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:35:21,629 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:21,629 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:35:21,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:35:21,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:21,630 INFO L87 Difference]: Start difference. First operand 1319 states and 1682 transitions. Second operand 7 states. [2019-10-02 23:35:21,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:21,719 INFO L93 Difference]: Finished difference Result 1319 states and 1680 transitions. [2019-10-02 23:35:21,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:35:21,720 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2019-10-02 23:35:21,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:21,730 INFO L225 Difference]: With dead ends: 1319 [2019-10-02 23:35:21,731 INFO L226 Difference]: Without dead ends: 1319 [2019-10-02 23:35:21,731 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:21,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2019-10-02 23:35:21,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1319. [2019-10-02 23:35:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2019-10-02 23:35:21,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1680 transitions. [2019-10-02 23:35:21,769 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1680 transitions. Word has length 160 [2019-10-02 23:35:21,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:21,770 INFO L475 AbstractCegarLoop]: Abstraction has 1319 states and 1680 transitions. [2019-10-02 23:35:21,770 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:35:21,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1680 transitions. [2019-10-02 23:35:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-02 23:35:21,776 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:35:21,776 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:35:21,776 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:35:21,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:35:21,777 INFO L82 PathProgramCache]: Analyzing trace with hash -838982570, now seen corresponding path program 1 times [2019-10-02 23:35:21,777 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:35:21,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:21,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:35:21,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:35:21,785 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:35:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:35:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-02 23:35:21,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:35:21,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:35:21,934 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:35:21,934 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:35:21,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:35:21,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:21,935 INFO L87 Difference]: Start difference. First operand 1319 states and 1680 transitions. Second operand 7 states. [2019-10-02 23:35:21,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:35:21,992 INFO L93 Difference]: Finished difference Result 1118 states and 1416 transitions. [2019-10-02 23:35:21,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:35:21,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 161 [2019-10-02 23:35:21,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:35:21,994 INFO L225 Difference]: With dead ends: 1118 [2019-10-02 23:35:21,994 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 23:35:21,994 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:35:21,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 23:35:21,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 23:35:21,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 23:35:21,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 23:35:21,995 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2019-10-02 23:35:21,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:35:21,996 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 23:35:21,996 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:35:21,996 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 23:35:21,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 23:35:22,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:35:22 BoogieIcfgContainer [2019-10-02 23:35:22,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 23:35:22,005 INFO L168 Benchmark]: Toolchain (without parser) took 19455.62 ms. Allocated memory was 138.9 MB in the beginning and 643.8 MB in the end (delta: 504.9 MB). Free memory was 79.7 MB in the beginning and 100.4 MB in the end (delta: -20.7 MB). Peak memory consumption was 484.2 MB. Max. memory is 7.1 GB. [2019-10-02 23:35:22,006 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-02 23:35:22,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2573.35 ms. Allocated memory was 138.9 MB in the beginning and 275.3 MB in the end (delta: 136.3 MB). Free memory was 79.5 MB in the beginning and 147.2 MB in the end (delta: -67.6 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2019-10-02 23:35:22,009 INFO L168 Benchmark]: Boogie Preprocessor took 337.59 ms. Allocated memory is still 275.3 MB. Free memory was 147.2 MB in the beginning and 126.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-10-02 23:35:22,010 INFO L168 Benchmark]: RCFGBuilder took 10917.48 ms. Allocated memory was 275.3 MB in the beginning and 628.1 MB in the end (delta: 352.8 MB). Free memory was 126.8 MB in the beginning and 496.0 MB in the end (delta: -369.2 MB). Peak memory consumption was 357.0 MB. Max. memory is 7.1 GB. [2019-10-02 23:35:22,011 INFO L168 Benchmark]: TraceAbstraction took 5621.90 ms. Allocated memory was 628.1 MB in the beginning and 643.8 MB in the end (delta: 15.7 MB). Free memory was 496.0 MB in the beginning and 100.4 MB in the end (delta: 395.6 MB). Peak memory consumption was 411.3 MB. Max. memory is 7.1 GB. [2019-10-02 23:35:22,015 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2573.35 ms. Allocated memory was 138.9 MB in the beginning and 275.3 MB in the end (delta: 136.3 MB). Free memory was 79.5 MB in the beginning and 147.2 MB in the end (delta: -67.6 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 337.59 ms. Allocated memory is still 275.3 MB. Free memory was 147.2 MB in the beginning and 126.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10917.48 ms. Allocated memory was 275.3 MB in the beginning and 628.1 MB in the end (delta: 352.8 MB). Free memory was 126.8 MB in the beginning and 496.0 MB in the end (delta: -369.2 MB). Peak memory consumption was 357.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5621.90 ms. Allocated memory was 628.1 MB in the beginning and 643.8 MB in the end (delta: 15.7 MB). Free memory was 496.0 MB in the beginning and 100.4 MB in the end (delta: 395.6 MB). Peak memory consumption was 411.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4898]: 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 162 procedures, 1225 locations, 1 error locations. SAFE Result, 5.5s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17625 SDtfs, 4754 SDslu, 54787 SDs, 0 SdLazy, 347 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1786occurred in iteration=4, 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: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 32 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1371 NumberOfCodeBlocks, 1371 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1357 ConstructedInterpolants, 0 QuantifiedInterpolants, 204405 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 172/172 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...