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-fea9116 [2019-09-20 13:43:15,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:43:15,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:43:15,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:43:15,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:43:15,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:43:15,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:43:16,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:43:16,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:43:16,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:43:16,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:43:16,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:43:16,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:43:16,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:43:16,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:43:16,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:43:16,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:43:16,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:43:16,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:43:16,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:43:16,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:43:16,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:43:16,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:43:16,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:43:16,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:43:16,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:43:16,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:43:16,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:43:16,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:43:16,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:43:16,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:43:16,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:43:16,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:43:16,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:43:16,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:43:16,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:43:16,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:43:16,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:43:16,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:43:16,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:43:16,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:43:16,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:43:16,078 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:43:16,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:43:16,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:43:16,079 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:43:16,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:43:16,080 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:43:16,080 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:43:16,081 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:43:16,081 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:43:16,081 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:43:16,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:43:16,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:43:16,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:43:16,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:43:16,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:43:16,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:43:16,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:43:16,085 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:43:16,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:43:16,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:43:16,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:43:16,086 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:43:16,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:43:16,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:43:16,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:43:16,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:43:16,087 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:43:16,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:43:16,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:43:16,087 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:43:16,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:43:16,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:43:16,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:43:16,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:43:16,165 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:43:16,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-09-20 13:43:16,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c5b9b1ee/1a3d5b13f8ae41359671b0ab2316170a/FLAG98bea2a89 [2019-09-20 13:43:17,066 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:43:17,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-09-20 13:43:17,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c5b9b1ee/1a3d5b13f8ae41359671b0ab2316170a/FLAG98bea2a89 [2019-09-20 13:43:17,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c5b9b1ee/1a3d5b13f8ae41359671b0ab2316170a [2019-09-20 13:43:17,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:43:17,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:43:17,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:17,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:43:17,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:43:17,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:17" (1/1) ... [2019-09-20 13:43:17,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47243856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:17, skipping insertion in model container [2019-09-20 13:43:17,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:17" (1/1) ... [2019-09-20 13:43:17,187 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:43:17,319 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:43:18,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:18,764 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:43:19,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:19,428 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:43:19,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:19 WrapperNode [2019-09-20 13:43:19,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:19,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:43:19,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:43:19,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:43:19,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:19" (1/1) ... [2019-09-20 13:43:19,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:19" (1/1) ... [2019-09-20 13:43:19,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:19" (1/1) ... [2019-09-20 13:43:19,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:19" (1/1) ... [2019-09-20 13:43:19,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:19" (1/1) ... [2019-09-20 13:43:19,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:19" (1/1) ... [2019-09-20 13:43:19,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:19" (1/1) ... [2019-09-20 13:43:19,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:43:19,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:43:19,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:43:19,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:43:19,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:43:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:43:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:43:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 13:43:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-20 13:43:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-20 13:43:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-20 13:43:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-20 13:43:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-20 13:43:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-20 13:43:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-09-20 13:43:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ia32_task [2019-09-20 13:43:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-20 13:43:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:43:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-20 13:43:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-20 13:43:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-20 13:43:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-20 13:43:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-20 13:43:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-20 13:43:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-20 13:43:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-09-20 13:43:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-20 13:43:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-20 13:43:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:43:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:43:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:43:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:43:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:43:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-09-20 13:43:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-09-20 13:43:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-09-20 13:43:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_events_per_packet [2019-09-20 13:43:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2019-09-20 13:43:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_min [2019-09-20 13:43:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2019-09-20 13:43:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_max [2019-09-20 13:43:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_fuzz [2019-09-20 13:43:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2019-09-20 13:43:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_flat [2019-09-20 13:43:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-09-20 13:43:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure is_x32_task [2019-09-20 13:43:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2019-09-20 13:43:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2019-09-20 13:43:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_event [2019-09-20 13:43:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_alloc_id [2019-09-20 13:43:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2019-09-20 13:43:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_reserve_slot [2019-09-20 13:43:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2019-09-20 13:43:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_send [2019-09-20 13:43:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_submit [2019-09-20 13:43:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_flush_requests [2019-09-20 13:43:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_gain [2019-09-20 13:43:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_autocenter [2019-09-20 13:43:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_playback [2019-09-20 13:43:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_upload_effect [2019-09-20 13:43:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_erase_effect [2019-09-20 13:43:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2019-09-20 13:43:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_create_device [2019-09-20 13:43:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_open [2019-09-20 13:43:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_validate_absbits [2019-09-20 13:43:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2019-09-20 13:43:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_setup_device [2019-09-20 13:43:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_inject_event [2019-09-20 13:43:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_write [2019-09-20 13:43:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_fetch_next_event [2019-09-20 13:43:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_events_to_user [2019-09-20 13:43:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_read [2019-09-20 13:43:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_poll [2019-09-20 13:43:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_release [2019-09-20 13:43:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_to_user [2019-09-20 13:43:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2019-09-20 13:43:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2019-09-20 13:43:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl [2019-09-20 13:43:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_compat_ioctl [2019-09-20 13:43:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_init [2019-09-20 13:43:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_exit [2019-09-20 13:43:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:43:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-20 13:43:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-20 13:43:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-20 13:43:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-20 13:43:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-20 13:43:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-09-20 13:43:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-20 13:43:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2019-09-20 13:43:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-09-20 13:43:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-09-20 13:43:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-20 13:43:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-09-20 13:43:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-09-20 13:43:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:43:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:43:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:43:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:43:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-20 13:43:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-20 13:43:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:43:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-20 13:43:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-20 13:43:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:43:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:43:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:43:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:43:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:43:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:43:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:43:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-09-20 13:43:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-09-20 13:43:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-09-20 13:43:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-09-20 13:43:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-09-20 13:43:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-09-20 13:43:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-09-20 13:43:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:43:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:43:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:43:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 13:43:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:43:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-20 13:43:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-20 13:43:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-20 13:43:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-20 13:43:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-20 13:43:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-20 13:43:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-20 13:43:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-20 13:43:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:43:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:43:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-09-20 13:43:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-20 13:43:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2019-09-20 13:43:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-09-20 13:43:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_from_user [2019-09-20 13:43:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_to_user [2019-09-20 13:43:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create [2019-09-20 13:43:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_destroy [2019-09-20 13:43:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-09-20 13:43:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_init_slots [2019-09-20 13:43:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-09-20 13:43:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-09-20 13:43:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrndup [2019-09-20 13:43:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 13:43:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-09-20 13:43:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-09-20 13:43:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 13:43:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-09-20 13:43:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-09-20 13:43:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 13:43:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-09-20 13:43:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-20 13:43:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:43:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2019-09-20 13:43:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-20 13:43:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:43:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-20 13:43:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-09-20 13:43:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-20 13:43:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-20 13:43:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:43:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:43:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:43:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:43:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:43:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:43:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-20 13:43:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-20 13:43:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:43:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-20 13:43:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:43:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 13:43:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-20 13:43:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-20 13:43:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-09-20 13:43:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-09-20 13:43:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:43:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:43:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure kstrndup [2019-09-20 13:43:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-20 13:43:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-20 13:43:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-20 13:43:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 13:43:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-20 13:43:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-20 13:43:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:43:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-20 13:43:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-20 13:43:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-20 13:43:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-09-20 13:43:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-20 13:43:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-09-20 13:43:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-09-20 13:43:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-09-20 13:43:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2019-09-20 13:43:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-09-20 13:43:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-09-20 13:43:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 13:43:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-20 13:43:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-20 13:43:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-20 13:43:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-20 13:43:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:43:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:43:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:43:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-09-20 13:43:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-09-20 13:43:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-09-20 13:43:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure is_ia32_task [2019-09-20 13:43:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-20 13:43:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:43:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-20 13:43:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-20 13:43:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-20 13:43:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-20 13:43:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:43:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-20 13:43:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-20 13:43:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-20 13:43:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-20 13:43:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-09-20 13:43:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:43:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-20 13:43:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-20 13:43:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-20 13:43:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-20 13:43:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-20 13:43:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:43:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:43:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:43:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-20 13:43:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-20 13:43:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-09-20 13:43:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-09-20 13:43:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-20 13:43:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-20 13:43:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-20 13:43:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-20 13:43:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-09-20 13:43:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 13:43:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:43:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-20 13:43:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-20 13:43:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-20 13:43:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:43:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:43:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:43:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:43:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:43:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:43:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:43:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:43:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:43:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:43:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-09-20 13:43:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-09-20 13:43:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:43:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:43:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-09-20 13:43:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-09-20 13:43:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-09-20 13:43:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-09-20 13:43:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-09-20 13:43:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-09-20 13:43:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-09-20 13:43:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_events_per_packet [2019-09-20 13:43:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2019-09-20 13:43:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2019-09-20 13:43:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_min [2019-09-20 13:43:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2019-09-20 13:43:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_max [2019-09-20 13:43:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_fuzz [2019-09-20 13:43:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2019-09-20 13:43:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_flat [2019-09-20 13:43:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create [2019-09-20 13:43:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_destroy [2019-09-20 13:43:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_init_slots [2019-09-20 13:43:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-09-20 13:43:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure is_x32_task [2019-09-20 13:43:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2019-09-20 13:43:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2019-09-20 13:43:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_from_user [2019-09-20 13:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_to_user [2019-09-20 13:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_event [2019-09-20 13:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_alloc_id [2019-09-20 13:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2019-09-20 13:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_reserve_slot [2019-09-20 13:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2019-09-20 13:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_send [2019-09-20 13:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_submit [2019-09-20 13:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_flush_requests [2019-09-20 13:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_gain [2019-09-20 13:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_autocenter [2019-09-20 13:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_playback [2019-09-20 13:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_upload_effect [2019-09-20 13:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_erase_effect [2019-09-20 13:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2019-09-20 13:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_create_device [2019-09-20 13:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_open [2019-09-20 13:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_validate_absbits [2019-09-20 13:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2019-09-20 13:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_setup_device [2019-09-20 13:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_inject_event [2019-09-20 13:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_write [2019-09-20 13:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_fetch_next_event [2019-09-20 13:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_events_to_user [2019-09-20 13:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_read [2019-09-20 13:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_poll [2019-09-20 13:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_release [2019-09-20 13:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_to_user [2019-09-20 13:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2019-09-20 13:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2019-09-20 13:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl [2019-09-20 13:43:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_compat_ioctl [2019-09-20 13:43:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_init [2019-09-20 13:43:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_exit [2019-09-20 13:43:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:43:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 13:43:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:43:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-09-20 13:43:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:43:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:43:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:43:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:43:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-20 13:43:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:43:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-20 13:43:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:43:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:43:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:43:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:43:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-09-20 13:43:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-09-20 13:43:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-09-20 13:43:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-09-20 13:43:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-09-20 13:43:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:43:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:43:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:43:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:43:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:43:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:43:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:43:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:43:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:43:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:43:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:43:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:43:30,538 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:43:30,539 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:43:30,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:30 BoogieIcfgContainer [2019-09-20 13:43:30,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:43:30,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:43:30,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:43:30,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:43:30,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:43:17" (1/3) ... [2019-09-20 13:43:30,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2626cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:30, skipping insertion in model container [2019-09-20 13:43:30,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:19" (2/3) ... [2019-09-20 13:43:30,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2626cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:30, skipping insertion in model container [2019-09-20 13:43:30,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:30" (3/3) ... [2019-09-20 13:43:30,552 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-09-20 13:43:30,562 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:43:30,579 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:43:30,597 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:43:30,627 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:43:30,627 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:43:30,627 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:43:30,627 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:43:30,627 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:43:30,628 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:43:30,628 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:43:30,628 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:43:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states. [2019-09-20 13:43:30,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-09-20 13:43:30,693 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:30,694 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:30,697 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:30,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:30,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1245439551, now seen corresponding path program 1 times [2019-09-20 13:43:30,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:30,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:30,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:30,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:30,784 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:31,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:31,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:31,127 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:31,132 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:31,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:31,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:31,151 INFO L87 Difference]: Start difference. First operand 1131 states. Second operand 3 states. [2019-09-20 13:43:31,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:31,309 INFO L93 Difference]: Finished difference Result 928 states and 1187 transitions. [2019-09-20 13:43:31,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:31,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-09-20 13:43:31,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:31,342 INFO L225 Difference]: With dead ends: 928 [2019-09-20 13:43:31,342 INFO L226 Difference]: Without dead ends: 921 [2019-09-20 13:43:31,344 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:31,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2019-09-20 13:43:31,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2019-09-20 13:43:31,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-09-20 13:43:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1180 transitions. [2019-09-20 13:43:31,463 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1180 transitions. Word has length 28 [2019-09-20 13:43:31,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:31,465 INFO L475 AbstractCegarLoop]: Abstraction has 921 states and 1180 transitions. [2019-09-20 13:43:31,465 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1180 transitions. [2019-09-20 13:43:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-09-20 13:43:31,467 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:31,467 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:31,468 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:31,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:31,468 INFO L82 PathProgramCache]: Analyzing trace with hash -46644403, now seen corresponding path program 1 times [2019-09-20 13:43:31,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:31,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:31,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:31,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:31,480 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:31,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:31,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:31,591 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:31,593 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:31,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:31,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:31,594 INFO L87 Difference]: Start difference. First operand 921 states and 1180 transitions. Second operand 3 states. [2019-09-20 13:43:31,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:31,660 INFO L93 Difference]: Finished difference Result 920 states and 1178 transitions. [2019-09-20 13:43:31,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:31,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-09-20 13:43:31,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:31,669 INFO L225 Difference]: With dead ends: 920 [2019-09-20 13:43:31,670 INFO L226 Difference]: Without dead ends: 920 [2019-09-20 13:43:31,672 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:31,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2019-09-20 13:43:31,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2019-09-20 13:43:31,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2019-09-20 13:43:31,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1178 transitions. [2019-09-20 13:43:31,710 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1178 transitions. Word has length 29 [2019-09-20 13:43:31,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:31,710 INFO L475 AbstractCegarLoop]: Abstraction has 920 states and 1178 transitions. [2019-09-20 13:43:31,711 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1178 transitions. [2019-09-20 13:43:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-09-20 13:43:31,712 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:31,712 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:31,713 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:31,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:31,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1446536446, now seen corresponding path program 1 times [2019-09-20 13:43:31,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:31,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:31,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:31,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:31,724 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:43:31,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:31,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:31,817 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:31,817 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:31,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:31,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:31,818 INFO L87 Difference]: Start difference. First operand 920 states and 1178 transitions. Second operand 3 states. [2019-09-20 13:43:31,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:31,944 INFO L93 Difference]: Finished difference Result 1752 states and 2270 transitions. [2019-09-20 13:43:31,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:31,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-09-20 13:43:31,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:31,960 INFO L225 Difference]: With dead ends: 1752 [2019-09-20 13:43:31,960 INFO L226 Difference]: Without dead ends: 1739 [2019-09-20 13:43:31,961 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:31,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1739 states. [2019-09-20 13:43:32,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1739 to 1736. [2019-09-20 13:43:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1736 states. [2019-09-20 13:43:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2252 transitions. [2019-09-20 13:43:32,066 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2252 transitions. Word has length 30 [2019-09-20 13:43:32,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:32,067 INFO L475 AbstractCegarLoop]: Abstraction has 1736 states and 2252 transitions. [2019-09-20 13:43:32,067 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2252 transitions. [2019-09-20 13:43:32,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-20 13:43:32,076 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:32,077 INFO L407 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] [2019-09-20 13:43:32,077 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:32,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:32,078 INFO L82 PathProgramCache]: Analyzing trace with hash 601031101, now seen corresponding path program 1 times [2019-09-20 13:43:32,079 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:32,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:32,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:32,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:32,092 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-20 13:43:32,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:32,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:32,232 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:32,233 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:32,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:32,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:32,233 INFO L87 Difference]: Start difference. First operand 1736 states and 2252 transitions. Second operand 3 states. [2019-09-20 13:43:32,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:32,315 INFO L93 Difference]: Finished difference Result 1786 states and 2335 transitions. [2019-09-20 13:43:32,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:32,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2019-09-20 13:43:32,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:32,325 INFO L225 Difference]: With dead ends: 1786 [2019-09-20 13:43:32,326 INFO L226 Difference]: Without dead ends: 1786 [2019-09-20 13:43:32,326 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:32,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2019-09-20 13:43:32,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1786. [2019-09-20 13:43:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1786 states. [2019-09-20 13:43:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1786 states and 2335 transitions. [2019-09-20 13:43:32,386 INFO L78 Accepts]: Start accepts. Automaton has 1786 states and 2335 transitions. Word has length 63 [2019-09-20 13:43:32,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:32,387 INFO L475 AbstractCegarLoop]: Abstraction has 1786 states and 2335 transitions. [2019-09-20 13:43:32,387 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2335 transitions. [2019-09-20 13:43:32,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-20 13:43:32,390 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:32,390 INFO L407 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] [2019-09-20 13:43:32,390 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:32,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:32,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1842497176, now seen corresponding path program 1 times [2019-09-20 13:43:32,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:32,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:32,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:32,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:32,400 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-20 13:43:32,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:32,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:32,507 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:32,507 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:32,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:32,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:32,508 INFO L87 Difference]: Start difference. First operand 1786 states and 2335 transitions. Second operand 3 states. [2019-09-20 13:43:32,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:32,589 INFO L93 Difference]: Finished difference Result 1788 states and 2308 transitions. [2019-09-20 13:43:32,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:32,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2019-09-20 13:43:32,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:32,672 INFO L225 Difference]: With dead ends: 1788 [2019-09-20 13:43:32,672 INFO L226 Difference]: Without dead ends: 1788 [2019-09-20 13:43:32,673 INFO L636 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 [2019-09-20 13:43:32,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2019-09-20 13:43:32,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1782. [2019-09-20 13:43:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1782 states. [2019-09-20 13:43:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1782 states and 2301 transitions. [2019-09-20 13:43:32,723 INFO L78 Accepts]: Start accepts. Automaton has 1782 states and 2301 transitions. Word has length 73 [2019-09-20 13:43:32,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:32,723 INFO L475 AbstractCegarLoop]: Abstraction has 1782 states and 2301 transitions. [2019-09-20 13:43:32,724 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:32,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2301 transitions. [2019-09-20 13:43:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:43:32,726 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:32,726 INFO L407 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] [2019-09-20 13:43:32,727 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:32,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:32,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1571569448, now seen corresponding path program 1 times [2019-09-20 13:43:32,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:32,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:32,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:32,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:32,743 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:32,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-20 13:43:32,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:32,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:43:32,921 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:32,921 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:43:32,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:43:32,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:43:32,922 INFO L87 Difference]: Start difference. First operand 1782 states and 2301 transitions. Second operand 7 states. [2019-09-20 13:43:33,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:33,071 INFO L93 Difference]: Finished difference Result 1528 states and 1927 transitions. [2019-09-20 13:43:33,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:43:33,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-09-20 13:43:33,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:33,086 INFO L225 Difference]: With dead ends: 1528 [2019-09-20 13:43:33,087 INFO L226 Difference]: Without dead ends: 1528 [2019-09-20 13:43:33,087 INFO L636 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 [2019-09-20 13:43:33,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2019-09-20 13:43:33,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1523. [2019-09-20 13:43:33,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2019-09-20 13:43:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1920 transitions. [2019-09-20 13:43:33,145 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1920 transitions. Word has length 79 [2019-09-20 13:43:33,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:33,146 INFO L475 AbstractCegarLoop]: Abstraction has 1523 states and 1920 transitions. [2019-09-20 13:43:33,146 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:43:33,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1920 transitions. [2019-09-20 13:43:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-20 13:43:33,150 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:33,150 INFO L407 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] [2019-09-20 13:43:33,151 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:33,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:33,151 INFO L82 PathProgramCache]: Analyzing trace with hash 730570750, now seen corresponding path program 1 times [2019-09-20 13:43:33,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:33,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:33,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:33,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:33,158 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:43:33,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:33,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:43:33,306 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:33,306 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:43:33,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:43:33,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:43:33,308 INFO L87 Difference]: Start difference. First operand 1523 states and 1920 transitions. Second operand 7 states. [2019-09-20 13:43:33,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:33,447 INFO L93 Difference]: Finished difference Result 1516 states and 1911 transitions. [2019-09-20 13:43:33,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:43:33,448 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2019-09-20 13:43:33,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:33,457 INFO L225 Difference]: With dead ends: 1516 [2019-09-20 13:43:33,457 INFO L226 Difference]: Without dead ends: 1516 [2019-09-20 13:43:33,458 INFO L636 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 [2019-09-20 13:43:33,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2019-09-20 13:43:33,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1511. [2019-09-20 13:43:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1511 states. [2019-09-20 13:43:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 1904 transitions. [2019-09-20 13:43:33,504 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 1904 transitions. Word has length 84 [2019-09-20 13:43:33,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:33,504 INFO L475 AbstractCegarLoop]: Abstraction has 1511 states and 1904 transitions. [2019-09-20 13:43:33,505 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:43:33,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1904 transitions. [2019-09-20 13:43:33,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:43:33,508 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:33,508 INFO L407 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] [2019-09-20 13:43:33,509 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:33,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:33,509 INFO L82 PathProgramCache]: Analyzing trace with hash -139026645, now seen corresponding path program 1 times [2019-09-20 13:43:33,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:33,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:33,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:33,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:33,519 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:43:33,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:33,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:43:33,661 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:33,661 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:43:33,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:43:33,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:43:33,662 INFO L87 Difference]: Start difference. First operand 1511 states and 1904 transitions. Second operand 5 states. [2019-09-20 13:43:33,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:33,713 INFO L93 Difference]: Finished difference Result 1524 states and 1920 transitions. [2019-09-20 13:43:33,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:43:33,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2019-09-20 13:43:33,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:33,723 INFO L225 Difference]: With dead ends: 1524 [2019-09-20 13:43:33,723 INFO L226 Difference]: Without dead ends: 1519 [2019-09-20 13:43:33,724 INFO L636 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 [2019-09-20 13:43:33,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2019-09-20 13:43:33,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1516. [2019-09-20 13:43:33,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2019-09-20 13:43:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1909 transitions. [2019-09-20 13:43:33,772 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1909 transitions. Word has length 103 [2019-09-20 13:43:33,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:33,772 INFO L475 AbstractCegarLoop]: Abstraction has 1516 states and 1909 transitions. [2019-09-20 13:43:33,772 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:43:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1909 transitions. [2019-09-20 13:43:33,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-09-20 13:43:33,777 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:33,777 INFO L407 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] [2019-09-20 13:43:33,777 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:33,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:33,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1141556633, now seen corresponding path program 1 times [2019-09-20 13:43:33,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:33,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:33,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:33,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:33,786 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:34,039 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:43:34,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:34,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-20 13:43:34,040 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:34,040 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:43:34,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:43:34,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:43:34,041 INFO L87 Difference]: Start difference. First operand 1516 states and 1909 transitions. Second operand 11 states. [2019-09-20 13:43:34,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:34,152 INFO L93 Difference]: Finished difference Result 1544 states and 1938 transitions. [2019-09-20 13:43:34,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-20 13:43:34,153 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2019-09-20 13:43:34,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:34,162 INFO L225 Difference]: With dead ends: 1544 [2019-09-20 13:43:34,162 INFO L226 Difference]: Without dead ends: 1542 [2019-09-20 13:43:34,162 INFO L636 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 [2019-09-20 13:43:34,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2019-09-20 13:43:34,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1540. [2019-09-20 13:43:34,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1540 states. [2019-09-20 13:43:34,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 1934 transitions. [2019-09-20 13:43:34,204 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 1934 transitions. Word has length 130 [2019-09-20 13:43:34,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:34,205 INFO L475 AbstractCegarLoop]: Abstraction has 1540 states and 1934 transitions. [2019-09-20 13:43:34,205 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:43:34,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1934 transitions. [2019-09-20 13:43:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-09-20 13:43:34,209 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:34,209 INFO L407 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] [2019-09-20 13:43:34,210 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:34,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:34,210 INFO L82 PathProgramCache]: Analyzing trace with hash -765053107, now seen corresponding path program 1 times [2019-09-20 13:43:34,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:34,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:34,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,217 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:43:34,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:34,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:43:34,418 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:34,419 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:43:34,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:43:34,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:43:34,420 INFO L87 Difference]: Start difference. First operand 1540 states and 1934 transitions. Second operand 7 states. [2019-09-20 13:43:34,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:34,494 INFO L93 Difference]: Finished difference Result 1493 states and 1877 transitions. [2019-09-20 13:43:34,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:43:34,495 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2019-09-20 13:43:34,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:34,503 INFO L225 Difference]: With dead ends: 1493 [2019-09-20 13:43:34,503 INFO L226 Difference]: Without dead ends: 1493 [2019-09-20 13:43:34,504 INFO L636 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 [2019-09-20 13:43:34,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2019-09-20 13:43:34,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1491. [2019-09-20 13:43:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2019-09-20 13:43:34,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1875 transitions. [2019-09-20 13:43:34,546 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1875 transitions. Word has length 135 [2019-09-20 13:43:34,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:34,547 INFO L475 AbstractCegarLoop]: Abstraction has 1491 states and 1875 transitions. [2019-09-20 13:43:34,547 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:43:34,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1875 transitions. [2019-09-20 13:43:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-09-20 13:43:34,552 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:34,552 INFO L407 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] [2019-09-20 13:43:34,553 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:34,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:34,553 INFO L82 PathProgramCache]: Analyzing trace with hash -997052486, now seen corresponding path program 1 times [2019-09-20 13:43:34,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:34,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:34,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,560 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:43:34,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:34,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:43:34,716 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:34,716 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:43:34,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:43:34,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:43:34,717 INFO L87 Difference]: Start difference. First operand 1491 states and 1875 transitions. Second operand 7 states. [2019-09-20 13:43:34,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:34,795 INFO L93 Difference]: Finished difference Result 1288 states and 1623 transitions. [2019-09-20 13:43:34,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:43:34,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2019-09-20 13:43:34,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:34,805 INFO L225 Difference]: With dead ends: 1288 [2019-09-20 13:43:34,806 INFO L226 Difference]: Without dead ends: 1277 [2019-09-20 13:43:34,806 INFO L636 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 [2019-09-20 13:43:34,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2019-09-20 13:43:34,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1275. [2019-09-20 13:43:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2019-09-20 13:43:34,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1610 transitions. [2019-09-20 13:43:34,848 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1610 transitions. Word has length 142 [2019-09-20 13:43:34,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:34,849 INFO L475 AbstractCegarLoop]: Abstraction has 1275 states and 1610 transitions. [2019-09-20 13:43:34,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:43:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1610 transitions. [2019-09-20 13:43:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-20 13:43:34,855 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:34,855 INFO L407 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] [2019-09-20 13:43:34,855 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:34,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:34,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1814006337, now seen corresponding path program 1 times [2019-09-20 13:43:34,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:34,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:34,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:34,863 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-09-20 13:43:34,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:34,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:43:34,983 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:34,983 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:43:34,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:43:34,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:43:34,984 INFO L87 Difference]: Start difference. First operand 1275 states and 1610 transitions. Second operand 4 states. [2019-09-20 13:43:35,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:35,059 INFO L93 Difference]: Finished difference Result 1323 states and 1688 transitions. [2019-09-20 13:43:35,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:43:35,059 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2019-09-20 13:43:35,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:35,068 INFO L225 Difference]: With dead ends: 1323 [2019-09-20 13:43:35,069 INFO L226 Difference]: Without dead ends: 1323 [2019-09-20 13:43:35,069 INFO L636 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 [2019-09-20 13:43:35,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2019-09-20 13:43:35,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1319. [2019-09-20 13:43:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2019-09-20 13:43:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1682 transitions. [2019-09-20 13:43:35,110 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1682 transitions. Word has length 154 [2019-09-20 13:43:35,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:35,111 INFO L475 AbstractCegarLoop]: Abstraction has 1319 states and 1682 transitions. [2019-09-20 13:43:35,111 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:43:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1682 transitions. [2019-09-20 13:43:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-09-20 13:43:35,117 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:35,118 INFO L407 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] [2019-09-20 13:43:35,118 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:35,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:35,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1005900670, now seen corresponding path program 1 times [2019-09-20 13:43:35,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:35,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:35,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:35,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:35,127 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-09-20 13:43:35,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:35,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:43:35,324 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:35,325 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:43:35,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:43:35,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:43:35,325 INFO L87 Difference]: Start difference. First operand 1319 states and 1682 transitions. Second operand 7 states. [2019-09-20 13:43:35,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:35,386 INFO L93 Difference]: Finished difference Result 1319 states and 1680 transitions. [2019-09-20 13:43:35,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:43:35,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2019-09-20 13:43:35,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:35,395 INFO L225 Difference]: With dead ends: 1319 [2019-09-20 13:43:35,395 INFO L226 Difference]: Without dead ends: 1319 [2019-09-20 13:43:35,396 INFO L636 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 [2019-09-20 13:43:35,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2019-09-20 13:43:35,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1319. [2019-09-20 13:43:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2019-09-20 13:43:35,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1680 transitions. [2019-09-20 13:43:35,429 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1680 transitions. Word has length 160 [2019-09-20 13:43:35,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:35,429 INFO L475 AbstractCegarLoop]: Abstraction has 1319 states and 1680 transitions. [2019-09-20 13:43:35,429 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:43:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1680 transitions. [2019-09-20 13:43:35,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-09-20 13:43:35,435 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:35,436 INFO L407 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] [2019-09-20 13:43:35,436 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:35,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:35,436 INFO L82 PathProgramCache]: Analyzing trace with hash -838982570, now seen corresponding path program 1 times [2019-09-20 13:43:35,437 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:35,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:35,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:35,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:35,443 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-09-20 13:43:35,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:35,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:43:35,562 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:35,562 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:43:35,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:43:35,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:43:35,563 INFO L87 Difference]: Start difference. First operand 1319 states and 1680 transitions. Second operand 7 states. [2019-09-20 13:43:35,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:35,612 INFO L93 Difference]: Finished difference Result 1118 states and 1416 transitions. [2019-09-20 13:43:35,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:43:35,613 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 161 [2019-09-20 13:43:35,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:35,613 INFO L225 Difference]: With dead ends: 1118 [2019-09-20 13:43:35,613 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:43:35,614 INFO L636 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 [2019-09-20 13:43:35,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:43:35,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:43:35,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:43:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:43:35,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2019-09-20 13:43:35,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:35,615 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:43:35,615 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:43:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:43:35,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:43:35,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:43:35 BoogieIcfgContainer [2019-09-20 13:43:35,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:43:35,624 INFO L168 Benchmark]: Toolchain (without parser) took 18457.38 ms. Allocated memory was 137.9 MB in the beginning and 714.1 MB in the end (delta: 576.2 MB). Free memory was 76.9 MB in the beginning and 530.9 MB in the end (delta: -453.9 MB). Peak memory consumption was 122.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:35,625 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 102.5 MB in the beginning and 102.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 13:43:35,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2262.33 ms. Allocated memory was 137.9 MB in the beginning and 273.7 MB in the end (delta: 135.8 MB). Free memory was 76.7 MB in the beginning and 237.2 MB in the end (delta: -160.4 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:35,626 INFO L168 Benchmark]: Boogie Preprocessor took 346.06 ms. Allocated memory is still 273.7 MB. Free memory was 237.2 MB in the beginning and 218.0 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:35,627 INFO L168 Benchmark]: RCFGBuilder took 10764.87 ms. Allocated memory was 273.7 MB in the beginning and 596.6 MB in the end (delta: 323.0 MB). Free memory was 216.1 MB in the beginning and 274.0 MB in the end (delta: -57.9 MB). Peak memory consumption was 495.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:35,628 INFO L168 Benchmark]: TraceAbstraction took 5076.84 ms. Allocated memory was 596.6 MB in the beginning and 714.1 MB in the end (delta: 117.4 MB). Free memory was 274.0 MB in the beginning and 530.9 MB in the end (delta: -256.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:43:35,632 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 102.5 MB in the beginning and 102.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2262.33 ms. Allocated memory was 137.9 MB in the beginning and 273.7 MB in the end (delta: 135.8 MB). Free memory was 76.7 MB in the beginning and 237.2 MB in the end (delta: -160.4 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 346.06 ms. Allocated memory is still 273.7 MB. Free memory was 237.2 MB in the beginning and 218.0 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10764.87 ms. Allocated memory was 273.7 MB in the beginning and 596.6 MB in the end (delta: 323.0 MB). Free memory was 216.1 MB in the beginning and 274.0 MB in the end (delta: -57.9 MB). Peak memory consumption was 495.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5076.84 ms. Allocated memory was 596.6 MB in the beginning and 714.1 MB in the end (delta: 117.4 MB). Free memory was 274.0 MB in the beginning and 530.9 MB in the end (delta: -256.8 MB). There was no memory consumed. 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, 5.0s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17630 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, 0.4s 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: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 32 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s 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...