/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain OctagonDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 22:47:00,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 22:47:00,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 22:47:00,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 22:47:00,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 22:47:00,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 22:47:00,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 22:47:00,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 22:47:00,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 22:47:00,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 22:47:00,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 22:47:00,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 22:47:00,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 22:47:00,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 22:47:00,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 22:47:00,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 22:47:00,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 22:47:00,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 22:47:00,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 22:47:00,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 22:47:00,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 22:47:00,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 22:47:00,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 22:47:00,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 22:47:00,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 22:47:00,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 22:47:00,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 22:47:00,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 22:47:00,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 22:47:00,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 22:47:00,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 22:47:00,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 22:47:00,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 22:47:00,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 22:47:00,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 22:47:00,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 22:47:00,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 22:47:00,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 22:47:00,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 22:47:00,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 22:47:00,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 22:47:00,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-03-22 22:47:00,734 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 22:47:00,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 22:47:00,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 22:47:00,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 22:47:00,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 22:47:00,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 22:47:00,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 22:47:00,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 22:47:00,737 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 22:47:00,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 22:47:00,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 22:47:00,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 22:47:00,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 22:47:00,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 22:47:00,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 22:47:00,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 22:47:00,739 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 22:47:00,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 22:47:00,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 22:47:00,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 22:47:00,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 22:47:00,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 22:47:00,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 22:47:00,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 22:47:00,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 22:47:00,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 22:47:00,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 22:47:00,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 22:47:00,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 22:47:00,742 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 22:47:00,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 22:47:00,742 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 22:47:00,742 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-22 22:47:00,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 22:47:01,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 22:47:01,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 22:47:01,025 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 22:47:01,026 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 22:47:01,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-03-22 22:47:02,307 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 22:47:02,764 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 22:47:02,765 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-03-22 22:47:02,802 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e050e37/3e4ad087550543febae3a68cc166bef2/FLAG7490beb92 [2023-03-22 22:47:02,818 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e050e37/3e4ad087550543febae3a68cc166bef2 [2023-03-22 22:47:02,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 22:47:02,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 22:47:02,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 22:47:02,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 22:47:02,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 22:47:02,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 10:47:02" (1/1) ... [2023-03-22 22:47:02,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d44c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 10:47:02, skipping insertion in model container [2023-03-22 22:47:02,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 10:47:02" (1/1) ... [2023-03-22 22:47:02,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 22:47:02,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 22:47:04,033 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i[209427,209440] [2023-03-22 22:47:04,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 22:47:04,170 INFO L203 MainTranslator]: Completed pre-run [2023-03-22 22:47:04,400 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i[209427,209440] [2023-03-22 22:47:04,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 22:47:04,508 INFO L208 MainTranslator]: Completed translation [2023-03-22 22:47:04,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 10:47:04 WrapperNode [2023-03-22 22:47:04,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-22 22:47:04,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-22 22:47:04,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-22 22:47:04,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-22 22:47:04,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 10:47:04" (1/1) ... [2023-03-22 22:47:04,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 10:47:04" (1/1) ... [2023-03-22 22:47:04,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 10:47:04" (1/1) ... [2023-03-22 22:47:04,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 10:47:04" (1/1) ... [2023-03-22 22:47:04,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 10:47:04" (1/1) ... [2023-03-22 22:47:04,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 10:47:04" (1/1) ... [2023-03-22 22:47:04,771 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 10:47:04" (1/1) ... [2023-03-22 22:47:04,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 10:47:04" (1/1) ... [2023-03-22 22:47:04,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-22 22:47:04,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-22 22:47:04,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-22 22:47:04,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-22 22:47:04,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 10:47:04" (1/1) ... [2023-03-22 22:47:04,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 22:47:04,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-22 22:47:04,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-22 22:47:04,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-22 22:47:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-22 22:47:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-22 22:47:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-22 22:47:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-03-22 22:47:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-03-22 22:47:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-03-22 22:47:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-22 22:47:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-22 22:47:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-03-22 22:47:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-03-22 22:47:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-03-22 22:47:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-03-22 22:47:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-03-22 22:47:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-03-22 22:47:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-03-22 22:47:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure enter_4op_mode [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_detect [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2023-03-22 22:47:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_open [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_close [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2023-03-22 22:47:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2023-03-22 22:47:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2023-03-22 22:47:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_init [2023-03-22 22:47:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure init_opl3 [2023-03-22 22:47:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_opl3 [2023-03-22 22:47:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-22 22:47:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2023-03-22 22:47:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_to_user_2 [2023-03-22 22:47:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_3 [2023-03-22 22:47:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_4 [2023-03-22 22:47:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2023-03-22 22:47:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-22 22:47:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2023-03-22 22:47:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2023-03-22 22:47:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-03-22 22:47:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2023-03-22 22:47:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-03-22 22:47:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_user_nocache [2023-03-22 22:47:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-03-22 22:47:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-03-22 22:47:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-03-22 22:47:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-03-22 22:47:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_printf2 [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure note_to_freq [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_init [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_synthdev [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_synthdev [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-22 22:47:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-03-22 22:47:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-03-22 22:47:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-03-22 22:47:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-03-22 22:47:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-22 22:47:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-22 22:47:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-22 22:47:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-22 22:47:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-22 22:47:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-22 22:47:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-03-22 22:47:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-03-22 22:47:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-03-22 22:47:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-03-22 22:47:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-03-22 22:47:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-03-22 22:47:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-03-22 22:47:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-03-22 22:47:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-03-22 22:47:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-03-22 22:47:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-03-22 22:47:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-22 22:47:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-22 22:47:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-03-22 22:47:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-03-22 22:47:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-22 22:47:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-03-22 22:47:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-22 22:47:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-22 22:47:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-22 22:47:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-22 22:47:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-22 22:47:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-22 22:47:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-03-22 22:47:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-03-22 22:47:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-03-22 22:47:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-03-22 22:47:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-03-22 22:47:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-03-22 22:47:04,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-03-22 22:47:04,943 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-03-22 22:47:04,943 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-03-22 22:47:04,943 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-03-22 22:47:04,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_to_user_2 [2023-03-22 22:47:04,943 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-03-22 22:47:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2023-03-22 22:47:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-03-22 22:47:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2023-03-22 22:47:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-03-22 22:47:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_user_nocache [2023-03-22 22:47:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_3 [2023-03-22 22:47:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_4 [2023-03-22 22:47:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_init [2023-03-22 22:47:04,945 INFO L130 BoogieDeclarations]: Found specification of procedure note_to_freq [2023-03-22 22:47:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2023-03-22 22:47:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure conf_printf2 [2023-03-22 22:47:04,949 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_synthdev [2023-03-22 22:47:04,949 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_synthdev [2023-03-22 22:47:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2023-03-22 22:47:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2023-03-22 22:47:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2023-03-22 22:47:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2023-03-22 22:47:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure enter_4op_mode [2023-03-22 22:47:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-22 22:47:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-22 22:47:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-22 22:47:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-22 22:47:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-22 22:47:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_detect [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_open [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_close [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2023-03-22 22:47:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_init [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure init_opl3 [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_opl3 [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-03-22 22:47:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-22 22:47:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-22 22:47:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-22 22:47:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-22 22:47:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-22 22:47:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-03-22 22:47:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-03-22 22:47:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-03-22 22:47:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-03-22 22:47:05,431 INFO L236 CfgBuilder]: Building ICFG [2023-03-22 22:47:05,436 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-22 22:47:05,835 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-03-22 22:47:10,987 INFO L277 CfgBuilder]: Performing block encoding [2023-03-22 22:47:11,007 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-22 22:47:11,007 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-03-22 22:47:11,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 10:47:11 BoogieIcfgContainer [2023-03-22 22:47:11,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-22 22:47:11,012 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-22 22:47:11,012 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-22 22:47:11,012 INFO L275 PluginConnector]: Sifa initialized [2023-03-22 22:47:11,013 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 10:47:11" (1/1) ... [2023-03-22 22:47:11,014 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=OctagonDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=NONE ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-22 22:47:11,054 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-22 22:47:11,054 INFO L166 IcfgInterpreter]: Building call graph [2023-03-22 22:47:11,069 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-22 22:47:11,075 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-22 22:47:11,076 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs