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-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:42:38,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:42:38,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:42:38,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:42:38,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:42:38,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:42:38,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:42:38,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:42:38,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:42:38,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:42:38,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:42:38,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:42:38,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:42:38,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:42:38,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:42:38,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:42:38,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:42:38,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:42:38,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:42:38,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:42:38,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:42:38,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:42:38,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:42:38,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:42:38,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:42:38,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:42:38,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:42:38,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:42:38,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:42:38,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:42:38,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:42:38,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:42:38,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:42:38,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:42:38,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:42:38,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:42:38,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:42:38,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:42:38,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:42:38,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:42:38,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:42:38,730 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 13:42:38,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:42:38,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:42:38,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:42:38,760 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:42:38,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:42:38,761 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:42:38,762 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:42:38,762 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:42:38,762 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:42:38,762 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:42:38,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:42:38,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:42:38,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:42:38,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:42:38,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:42:38,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:42:38,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:42:38,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:42:38,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:42:38,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:42:38,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:42:38,767 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:42:38,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:42:38,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:42:38,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:42:38,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:42:38,768 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:42:38,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:42:38,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:42:38,769 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:42:38,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:42:38,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:42:38,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:42:38,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:42:38,826 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:42:38,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d.i [2019-09-20 13:42:38,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f6be9d38/9b633a89c4c943789b082ca478641c87/FLAG8402ef1e2 [2019-09-20 13:42:39,704 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:42:39,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d.i [2019-09-20 13:42:39,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f6be9d38/9b633a89c4c943789b082ca478641c87/FLAG8402ef1e2 [2019-09-20 13:42:40,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f6be9d38/9b633a89c4c943789b082ca478641c87 [2019-09-20 13:42:40,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:42:40,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:42:40,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:42:40,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:42:40,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:42:40,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:42:40" (1/1) ... [2019-09-20 13:42:40,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb2984e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:40, skipping insertion in model container [2019-09-20 13:42:40,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:42:40" (1/1) ... [2019-09-20 13:42:40,269 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:42:40,412 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:42:41,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:42:41,813 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:42:42,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:42:42,274 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:42:42,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:42 WrapperNode [2019-09-20 13:42:42,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:42:42,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:42:42,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:42:42,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:42:42,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:42" (1/1) ... [2019-09-20 13:42:42,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:42" (1/1) ... [2019-09-20 13:42:42,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:42" (1/1) ... [2019-09-20 13:42:42,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:42" (1/1) ... [2019-09-20 13:42:42,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:42" (1/1) ... [2019-09-20 13:42:42,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:42" (1/1) ... [2019-09-20 13:42:42,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:42" (1/1) ... [2019-09-20 13:42:42,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:42:42,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:42:42,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:42:42,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:42:42,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:42" (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 13:42:42,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:42:42,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:42:42,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:42:42,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:42:42,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:42:42,863 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:42:42,863 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:42:42,864 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-20 13:42:42,864 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-20 13:42:42,864 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-20 13:42:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-20 13:42:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure enter_4op_mode [2019-09-20 13:42:42,868 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2019-09-20 13:42:42,870 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_detect [2019-09-20 13:42:42,871 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2019-09-20 13:42:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2019-09-20 13:42:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2019-09-20 13:42:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2019-09-20 13:42:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2019-09-20 13:42:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2019-09-20 13:42:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2019-09-20 13:42:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2019-09-20 13:42:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2019-09-20 13:42:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_open [2019-09-20 13:42:42,876 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_close [2019-09-20 13:42:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2019-09-20 13:42:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2019-09-20 13:42:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2019-09-20 13:42:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2019-09-20 13:42:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2019-09-20 13:42:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2019-09-20 13:42:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2019-09-20 13:42:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2019-09-20 13:42:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2019-09-20 13:42:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2019-09-20 13:42:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_init [2019-09-20 13:42:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure init_opl3 [2019-09-20 13:42:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_opl3 [2019-09-20 13:42:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:42:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2019-09-20 13:42:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_to_user_2 [2019-09-20 13:42:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_3 [2019-09-20 13:42:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_4 [2019-09-20 13:42:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2019-09-20 13:42:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:42:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:42:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:42:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure strlen [2019-09-20 13:42:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2019-09-20 13:42:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2019-09-20 13:42:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2019-09-20 13:42:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-20 13:42:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_user_nocache [2019-09-20 13:42:42,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-09-20 13:42:42,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-20 13:42:42,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-20 13:42:42,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-20 13:42:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2019-09-20 13:42:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_printf2 [2019-09-20 13:42:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:42:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-09-20 13:42:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-09-20 13:42:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:42:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 13:42:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure note_to_freq [2019-09-20 13:42:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:42:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_init [2019-09-20 13:42:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_synthdev [2019-09-20 13:42:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_synthdev [2019-09-20 13:42:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-20 13:42:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:42:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:42:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:42:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-20 13:42:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:42:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:42:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:42:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-20 13:42:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 13:42:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:42:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-20 13:42:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-20 13:42:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-09-20 13:42:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-20 13:42:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2019-09-20 13:42:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:42:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:42:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:42:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:42:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:42:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:42:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:42:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:42:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:42:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:42:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-20 13:42:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-20 13:42:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-20 13:42:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_to_user_2 [2019-09-20 13:42:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-20 13:42:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2019-09-20 13:42:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-20 13:42:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:42:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2019-09-20 13:42:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-20 13:42:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_user_nocache [2019-09-20 13:42:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_3 [2019-09-20 13:42:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_4 [2019-09-20 13:42:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_init [2019-09-20 13:42:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure note_to_freq [2019-09-20 13:42:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2019-09-20 13:42:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure conf_printf2 [2019-09-20 13:42:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_synthdev [2019-09-20 13:42:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_synthdev [2019-09-20 13:42:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2019-09-20 13:42:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2019-09-20 13:42:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2019-09-20 13:42:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2019-09-20 13:42:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure enter_4op_mode [2019-09-20 13:42:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:42:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:42:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:42:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:42:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2019-09-20 13:42:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_detect [2019-09-20 13:42:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-20 13:42:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:42:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2019-09-20 13:42:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:42:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2019-09-20 13:42:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2019-09-20 13:42:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2019-09-20 13:42:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2019-09-20 13:42:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_open [2019-09-20 13:42:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_close [2019-09-20 13:42:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2019-09-20 13:42:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2019-09-20 13:42:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2019-09-20 13:42:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2019-09-20 13:42:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2019-09-20 13:42:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2019-09-20 13:42:42,919 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2019-09-20 13:42:42,919 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2019-09-20 13:42:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2019-09-20 13:42:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2019-09-20 13:42:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_init [2019-09-20 13:42:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure init_opl3 [2019-09-20 13:42:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_opl3 [2019-09-20 13:42:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:42:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-09-20 13:42:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:42:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-09-20 13:42:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:42:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-20 13:42:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2019-09-20 13:42:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:42:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:42:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2019-09-20 13:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 13:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:42:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:42:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:42:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:42:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:42:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:42:44,026 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:42:48,939 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:42:48,939 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 13:42:48,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:42:48 BoogieIcfgContainer [2019-09-20 13:42:48,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:42:48,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:42:48,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:42:48,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:42:48,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:42:40" (1/3) ... [2019-09-20 13:42:48,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adf3294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:42:48, skipping insertion in model container [2019-09-20 13:42:48,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:42" (2/3) ... [2019-09-20 13:42:48,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adf3294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:42:48, skipping insertion in model container [2019-09-20 13:42:48,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:42:48" (3/3) ... [2019-09-20 13:42:48,952 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d.i [2019-09-20 13:42:48,963 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:42:48,974 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:42:48,994 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:42:49,028 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:42:49,028 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:42:49,028 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:42:49,028 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:42:49,029 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:42:49,029 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:42:49,029 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:42:49,029 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:42:49,076 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states. [2019-09-20 13:42:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-20 13:42:49,100 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:49,101 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] [2019-09-20 13:42:49,103 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:49,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:49,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1852841462, now seen corresponding path program 1 times [2019-09-20 13:42:49,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:49,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:49,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:49,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:49,196 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:50,037 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 13:42:50,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:50,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:42:50,040 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:50,046 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:42:50,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:42:50,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:42:50,064 INFO L87 Difference]: Start difference. First operand 774 states. Second operand 6 states. [2019-09-20 13:42:50,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:50,314 INFO L93 Difference]: Finished difference Result 765 states and 1077 transitions. [2019-09-20 13:42:50,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:42:50,317 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2019-09-20 13:42:50,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:50,354 INFO L225 Difference]: With dead ends: 765 [2019-09-20 13:42:50,354 INFO L226 Difference]: Without dead ends: 740 [2019-09-20 13:42:50,356 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:42:50,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2019-09-20 13:42:50,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2019-09-20 13:42:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2019-09-20 13:42:50,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1043 transitions. [2019-09-20 13:42:50,525 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1043 transitions. Word has length 39 [2019-09-20 13:42:50,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:50,525 INFO L475 AbstractCegarLoop]: Abstraction has 740 states and 1043 transitions. [2019-09-20 13:42:50,526 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:42:50,526 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1043 transitions. [2019-09-20 13:42:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:42:50,550 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:50,552 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] [2019-09-20 13:42:50,552 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:50,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:50,553 INFO L82 PathProgramCache]: Analyzing trace with hash 37510773, now seen corresponding path program 1 times [2019-09-20 13:42:50,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:50,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:50,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:50,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:50,565 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:51,179 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 13:42:51,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:51,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:42:51,180 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:51,182 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:42:51,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:42:51,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:42:51,184 INFO L87 Difference]: Start difference. First operand 740 states and 1043 transitions. Second operand 8 states. [2019-09-20 13:42:51,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:51,381 INFO L93 Difference]: Finished difference Result 744 states and 1046 transitions. [2019-09-20 13:42:51,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:42:51,381 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2019-09-20 13:42:51,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:51,391 INFO L225 Difference]: With dead ends: 744 [2019-09-20 13:42:51,391 INFO L226 Difference]: Without dead ends: 744 [2019-09-20 13:42:51,393 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:42:51,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2019-09-20 13:42:51,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2019-09-20 13:42:51,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2019-09-20 13:42:51,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1046 transitions. [2019-09-20 13:42:51,456 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1046 transitions. Word has length 47 [2019-09-20 13:42:51,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:51,457 INFO L475 AbstractCegarLoop]: Abstraction has 744 states and 1046 transitions. [2019-09-20 13:42:51,457 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:42:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1046 transitions. [2019-09-20 13:42:51,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:42:51,473 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:51,474 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:42:51,476 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:51,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:51,476 INFO L82 PathProgramCache]: Analyzing trace with hash -950805187, now seen corresponding path program 1 times [2019-09-20 13:42:51,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:51,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:51,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:51,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:51,493 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-20 13:42:52,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:52,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:42:52,066 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:52,067 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:42:52,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:42:52,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:42:52,068 INFO L87 Difference]: Start difference. First operand 744 states and 1046 transitions. Second operand 10 states. [2019-09-20 13:42:52,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:52,326 INFO L93 Difference]: Finished difference Result 744 states and 1046 transitions. [2019-09-20 13:42:52,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-20 13:42:52,327 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-20 13:42:52,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:52,328 INFO L225 Difference]: With dead ends: 744 [2019-09-20 13:42:52,328 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:42:52,329 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:42:52,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:42:52,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:42:52,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:42:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:42:52,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2019-09-20 13:42:52,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:52,332 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:42:52,332 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:42:52,332 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:42:52,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:42:52,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:42:52 BoogieIcfgContainer [2019-09-20 13:42:52,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:42:52,342 INFO L168 Benchmark]: Toolchain (without parser) took 12088.99 ms. Allocated memory was 131.6 MB in the beginning and 482.9 MB in the end (delta: 351.3 MB). Free memory was 78.8 MB in the beginning and 300.9 MB in the end (delta: -222.1 MB). Peak memory consumption was 129.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:42:52,343 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 13:42:52,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2023.22 ms. Allocated memory was 131.6 MB in the beginning and 217.1 MB in the end (delta: 85.5 MB). Free memory was 78.6 MB in the beginning and 79.3 MB in the end (delta: -688.6 kB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:42:52,347 INFO L168 Benchmark]: Boogie Preprocessor took 484.91 ms. Allocated memory was 217.1 MB in the beginning and 269.0 MB in the end (delta: 51.9 MB). Free memory was 79.3 MB in the beginning and 204.6 MB in the end (delta: -125.4 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:42:52,349 INFO L168 Benchmark]: RCFGBuilder took 6180.52 ms. Allocated memory was 269.0 MB in the beginning and 478.7 MB in the end (delta: 209.7 MB). Free memory was 204.6 MB in the beginning and 294.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 277.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:42:52,350 INFO L168 Benchmark]: TraceAbstraction took 3395.32 ms. Allocated memory was 478.7 MB in the beginning and 482.9 MB in the end (delta: 4.2 MB). Free memory was 294.1 MB in the beginning and 300.9 MB in the end (delta: -6.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:42:52,360 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 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2023.22 ms. Allocated memory was 131.6 MB in the beginning and 217.1 MB in the end (delta: 85.5 MB). Free memory was 78.6 MB in the beginning and 79.3 MB in the end (delta: -688.6 kB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 484.91 ms. Allocated memory was 217.1 MB in the beginning and 269.0 MB in the end (delta: 51.9 MB). Free memory was 79.3 MB in the beginning and 204.6 MB in the end (delta: -125.4 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6180.52 ms. Allocated memory was 269.0 MB in the beginning and 478.7 MB in the end (delta: 209.7 MB). Free memory was 204.6 MB in the beginning and 294.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 277.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3395.32 ms. Allocated memory was 478.7 MB in the beginning and 482.9 MB in the end (delta: 4.2 MB). Free memory was 294.1 MB in the beginning and 300.9 MB in the end (delta: -6.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6152]: 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 74 procedures, 801 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3130 SDtfs, 66 SDslu, 18603 SDs, 0 SdLazy, 177 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=774occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 10204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...