./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 22:49:12,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:49:12,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:49:12,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:49:12,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:49:12,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:49:12,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:49:12,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:49:12,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:49:12,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:49:12,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:49:12,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:49:12,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:49:12,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:49:12,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:49:12,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:49:12,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:49:12,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:49:12,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:49:12,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:49:12,885 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:49:12,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:49:12,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:49:12,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:49:12,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:49:12,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:49:12,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:49:12,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:49:12,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:49:12,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:49:12,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:49:12,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:49:12,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:49:12,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:49:12,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:49:12,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:49:12,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:49:12,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:49:12,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:49:12,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:49:12,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:49:12,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:49:12,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 22:49:12,938 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:49:12,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:49:12,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:49:12,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:49:12,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:49:12,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:49:12,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:49:12,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:49:12,943 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:49:12,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:49:12,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 22:49:12,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:49:12,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:49:12,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:49:12,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:49:12,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:49:12,945 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:49:12,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:49:12,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:49:12,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:49:12,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:49:12,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:49:12,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:49:12,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:49:12,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:49:12,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 22:49:12,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 22:49:12,947 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:49:12,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:49:12,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:49:12,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2022-07-19 22:49:13,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:49:13,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:49:13,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:49:13,202 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:49:13,202 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:49:13,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2022-07-19 22:49:13,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/613b9e124/0b0f0fbeda824a7f85a604df168be2d5/FLAG3b1c625c3 [2022-07-19 22:49:13,976 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:49:13,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2022-07-19 22:49:14,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/613b9e124/0b0f0fbeda824a7f85a604df168be2d5/FLAG3b1c625c3 [2022-07-19 22:49:14,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/613b9e124/0b0f0fbeda824a7f85a604df168be2d5 [2022-07-19 22:49:14,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:49:14,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:49:14,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:49:14,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:49:14,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:49:14,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:49:14" (1/1) ... [2022-07-19 22:49:14,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159d2f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:14, skipping insertion in model container [2022-07-19 22:49:14,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:49:14" (1/1) ... [2022-07-19 22:49:14,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:49:14,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:49:15,099 WARN L230 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-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2022-07-19 22:49:15,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:49:15,204 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 22:49:15,412 WARN L230 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-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2022-07-19 22:49:15,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:49:15,520 INFO L208 MainTranslator]: Completed translation [2022-07-19 22:49:15,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15 WrapperNode [2022-07-19 22:49:15,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 22:49:15,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 22:49:15,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 22:49:15,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 22:49:15,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15" (1/1) ... [2022-07-19 22:49:15,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15" (1/1) ... [2022-07-19 22:49:15,773 INFO L137 Inliner]: procedures = 101, calls = 3228, calls flagged for inlining = 40, calls inlined = 39, statements flattened = 4367 [2022-07-19 22:49:15,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 22:49:15,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 22:49:15,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 22:49:15,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 22:49:15,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15" (1/1) ... [2022-07-19 22:49:15,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15" (1/1) ... [2022-07-19 22:49:15,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15" (1/1) ... [2022-07-19 22:49:15,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15" (1/1) ... [2022-07-19 22:49:15,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15" (1/1) ... [2022-07-19 22:49:15,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15" (1/1) ... [2022-07-19 22:49:16,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15" (1/1) ... [2022-07-19 22:49:16,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 22:49:16,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 22:49:16,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 22:49:16,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 22:49:16,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15" (1/1) ... [2022-07-19 22:49:16,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:49:16,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:49:16,057 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) [2022-07-19 22:49:16,082 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 [2022-07-19 22:49:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2022-07-19 22:49:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2022-07-19 22:49:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 22:49:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-19 22:49:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-19 22:49:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2022-07-19 22:49:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2022-07-19 22:49:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 22:49:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 22:49:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 22:49:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2022-07-19 22:49:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2022-07-19 22:49:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 22:49:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 22:49:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 22:49:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 22:49:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-19 22:49:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-19 22:49:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-19 22:49:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-19 22:49:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 22:49:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 22:49:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2022-07-19 22:49:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2022-07-19 22:49:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 22:49:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2022-07-19 22:49:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2022-07-19 22:49:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-07-19 22:49:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-07-19 22:49:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 22:49:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 22:49:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 22:49:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 22:49:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2022-07-19 22:49:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2022-07-19 22:49:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 22:49:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 22:49:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 22:49:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 22:49:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 22:49:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2022-07-19 22:49:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2022-07-19 22:49:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 22:49:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 22:49:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-19 22:49:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-19 22:49:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-19 22:49:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-19 22:49:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2022-07-19 22:49:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2022-07-19 22:49:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-19 22:49:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-19 22:49:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-19 22:49:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-19 22:49:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 22:49:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-19 22:49:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-19 22:49:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2022-07-19 22:49:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2022-07-19 22:49:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-19 22:49:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-19 22:49:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 22:49:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 22:49:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 22:49:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2022-07-19 22:49:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2022-07-19 22:49:16,579 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 22:49:16,596 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 22:49:20,415 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 22:49:20,427 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 22:49:20,428 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 22:49:20,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:49:20 BoogieIcfgContainer [2022-07-19 22:49:20,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 22:49:20,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 22:49:20,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 22:49:20,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 22:49:20,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:49:14" (1/3) ... [2022-07-19 22:49:20,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d6c123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:49:20, skipping insertion in model container [2022-07-19 22:49:20,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:15" (2/3) ... [2022-07-19 22:49:20,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d6c123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:49:20, skipping insertion in model container [2022-07-19 22:49:20,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:49:20" (3/3) ... [2022-07-19 22:49:20,437 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2022-07-19 22:49:20,450 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 22:49:20,451 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 22:49:20,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 22:49:20,510 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@59384e3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4ca26fd8 [2022-07-19 22:49:20,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 22:49:20,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 732 states, 553 states have (on average 1.488245931283906) internal successors, (823), 567 states have internal predecessors, (823), 152 states have call successors, (152), 25 states have call predecessors, (152), 25 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2022-07-19 22:49:20,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-19 22:49:20,527 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:49:20,527 INFO L195 NwaCegarLoop]: 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] [2022-07-19 22:49:20,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:49:20,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:49:20,532 INFO L85 PathProgramCache]: Analyzing trace with hash 595835399, now seen corresponding path program 1 times [2022-07-19 22:49:20,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:49:20,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258621834] [2022-07-19 22:49:20,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:49:20,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:49:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:49:21,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 22:49:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:49:21,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 22:49:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:49:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-19 22:49:21,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:49:21,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258621834] [2022-07-19 22:49:21,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258621834] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:49:21,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:49:21,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 22:49:21,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469112426] [2022-07-19 22:49:21,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:49:21,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 22:49:21,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:49:21,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 22:49:21,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 22:49:21,368 INFO L87 Difference]: Start difference. First operand has 732 states, 553 states have (on average 1.488245931283906) internal successors, (823), 567 states have internal predecessors, (823), 152 states have call successors, (152), 25 states have call predecessors, (152), 25 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 22:49:21,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:49:21,635 INFO L93 Difference]: Finished difference Result 1482 states and 2309 transitions. [2022-07-19 22:49:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 22:49:21,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-07-19 22:49:21,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:49:21,654 INFO L225 Difference]: With dead ends: 1482 [2022-07-19 22:49:21,654 INFO L226 Difference]: Without dead ends: 740 [2022-07-19 22:49:21,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-19 22:49:21,671 INFO L413 NwaCegarLoop]: 1083 mSDtfsCounter, 39 mSDsluCounter, 4284 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 5367 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 22:49:21,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 5367 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 22:49:21,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2022-07-19 22:49:21,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2022-07-19 22:49:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 556 states have (on average 1.368705035971223) internal successors, (761), 569 states have internal predecessors, (761), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 152 states have call predecessors, (156), 156 states have call successors, (156) [2022-07-19 22:49:21,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1073 transitions. [2022-07-19 22:49:21,812 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1073 transitions. Word has length 28 [2022-07-19 22:49:21,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:49:21,813 INFO L495 AbstractCegarLoop]: Abstraction has 740 states and 1073 transitions. [2022-07-19 22:49:21,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 22:49:21,814 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1073 transitions. [2022-07-19 22:49:21,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-19 22:49:21,824 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:49:21,825 INFO L195 NwaCegarLoop]: 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] [2022-07-19 22:49:21,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 22:49:21,825 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:49:21,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:49:21,826 INFO L85 PathProgramCache]: Analyzing trace with hash 431139790, now seen corresponding path program 1 times [2022-07-19 22:49:21,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:49:21,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999150801] [2022-07-19 22:49:21,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:49:21,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:49:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 22:49:22,493 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 22:49:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 22:49:22,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 22:49:22,987 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 22:49:22,989 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 22:49:22,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 22:49:22,994 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-19 22:49:23,000 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 22:49:23,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:49:23 BoogieIcfgContainer [2022-07-19 22:49:23,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 22:49:23,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 22:49:23,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 22:49:23,095 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 22:49:23,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:49:20" (3/4) ... [2022-07-19 22:49:23,097 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-19 22:49:23,223 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 22:49:23,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 22:49:23,224 INFO L158 Benchmark]: Toolchain (without parser) took 8928.67ms. Allocated memory was 96.5MB in the beginning and 371.2MB in the end (delta: 274.7MB). Free memory was 70.0MB in the beginning and 109.5MB in the end (delta: -39.5MB). Peak memory consumption was 232.3MB. Max. memory is 16.1GB. [2022-07-19 22:49:23,224 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory was 58.8MB in the beginning and 58.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:49:23,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1226.22ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 69.7MB in the beginning and 65.2MB in the end (delta: 4.5MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2022-07-19 22:49:23,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 250.71ms. Allocated memory is still 127.9MB. Free memory was 65.2MB in the beginning and 57.7MB in the end (delta: 7.5MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-07-19 22:49:23,225 INFO L158 Benchmark]: Boogie Preprocessor took 253.08ms. Allocated memory is still 127.9MB. Free memory was 57.7MB in the beginning and 51.1MB in the end (delta: 6.6MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-07-19 22:49:23,226 INFO L158 Benchmark]: RCFGBuilder took 4401.46ms. Allocated memory was 127.9MB in the beginning and 308.3MB in the end (delta: 180.4MB). Free memory was 51.1MB in the beginning and 97.9MB in the end (delta: -46.8MB). Peak memory consumption was 146.4MB. Max. memory is 16.1GB. [2022-07-19 22:49:23,226 INFO L158 Benchmark]: TraceAbstraction took 2662.03ms. Allocated memory was 308.3MB in the beginning and 371.2MB in the end (delta: 62.9MB). Free memory was 96.8MB in the beginning and 120.0MB in the end (delta: -23.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-07-19 22:49:23,226 INFO L158 Benchmark]: Witness Printer took 128.54ms. Allocated memory is still 371.2MB. Free memory was 118.9MB in the beginning and 109.5MB in the end (delta: 9.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 22:49:23,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory was 58.8MB in the beginning and 58.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1226.22ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 69.7MB in the beginning and 65.2MB in the end (delta: 4.5MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 250.71ms. Allocated memory is still 127.9MB. Free memory was 65.2MB in the beginning and 57.7MB in the end (delta: 7.5MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 253.08ms. Allocated memory is still 127.9MB. Free memory was 57.7MB in the beginning and 51.1MB in the end (delta: 6.6MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4401.46ms. Allocated memory was 127.9MB in the beginning and 308.3MB in the end (delta: 180.4MB). Free memory was 51.1MB in the beginning and 97.9MB in the end (delta: -46.8MB). Peak memory consumption was 146.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2662.03ms. Allocated memory was 308.3MB in the beginning and 371.2MB in the end (delta: 62.9MB). Free memory was 96.8MB in the beginning and 120.0MB in the end (delta: -23.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 128.54ms. Allocated memory is still 371.2MB. Free memory was 118.9MB in the beginning and 109.5MB in the end (delta: 9.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 6170]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L2600-L2618] static struct physical_voice_info pv_map[18U] = { {0U, 2U, 0U, {0U, 3U, 8U, 11U}}, {1U, 2U, 0U, {1U, 4U, 9U, 12U}}, {2U, 2U, 0U, {2U, 5U, 10U, 13U}}, {3U, 2U, 0U, {8U, 11U, 0U, 0U}}, {4U, 2U, 0U, {9U, 12U, 0U, 0U}}, {5U, 2U, 0U, {10U, 13U, 0U, 0U}}, {6U, 2U, 0U, {16U, 19U, 0U, 0U}}, {7U, 2U, 0U, {17U, 20U, 0U, 0U}}, {8U, 2U, 0U, {18U, 21U, 0U, 0U}}, {0U, 2U, 1U, {0U, 3U, 8U, 11U}}, {1U, 2U, 1U, {1U, 4U, 9U, 12U}}, {2U, 2U, 1U, {2U, 5U, 10U, 13U}}, {3U, 2U, 1U, {8U, 11U, 0U, 0U}}, {4U, 2U, 1U, {9U, 12U, 0U, 0U}}, {5U, 2U, 1U, {10U, 13U, 0U, 0U}}, {6U, 2U, 1U, {16U, 19U, 0U, 0U}}, {7U, 2U, 1U, {17U, 20U, 0U, 0U}}, {8U, 2U, 1U, {18U, 21U, 0U, 0U}}}; [L2619] static struct opl_devinfo *devc = 0; [L2620] static int detected_model ; [L2913-L2945] static char fm_volume_table[128U] = { -64, -48, -40, -35, -32, -29, -27, -26, -24, -23, -21, -20, -19, -18, -18, -17, -16, -15, -15, -14, -13, -13, -12, -12, -11, -11, -10, -10, -10, -9, -9, -8, -8, -8, -7, -7, -7, -6, -6, -6, -5, -5, 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char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}; [L5901] static int me ; [L5902] static int io = -1; [L5945] int LDV_IN_INTERRUPT ; VAL [__this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=0, me=0, opl3_operations={26:0}, pv_map={24:0}] [L5948] int var_opl3_open_12_p0 ; [L5949] int var_opl3_open_12_p1 ; [L5950] int res_opl3_open_12 ; [L5951] int var_opl3_close_13_p0 ; [L5952] int var_opl3_ioctl_1_p0 ; [L5953] unsigned int var_opl3_ioctl_1_p1 ; [L5954] void *var_opl3_ioctl_1_p2 ; [L5955] int var_opl3_kill_note_3_p0 ; [L5956] int var_opl3_kill_note_3_p1 ; [L5957] int var_opl3_kill_note_3_p2 ; [L5958] int var_opl3_kill_note_3_p3 ; [L5959] int var_opl3_start_note_8_p0 ; [L5960] int var_opl3_start_note_8_p1 ; [L5961] int var_opl3_start_note_8_p2 ; [L5962] int var_opl3_start_note_8_p3 ; [L5963] int var_opl3_set_instr_5_p0 ; [L5964] int var_opl3_set_instr_5_p1 ; [L5965] int var_opl3_set_instr_5_p2 ; [L5966] int var_opl3_reset_11_p0 ; [L5967] int var_opl3_hw_control_14_p0 ; [L5968] unsigned char *var_opl3_hw_control_14_p1 ; [L5969] int var_opl3_load_patch_15_p0 ; [L5970] int var_opl3_load_patch_15_p1 ; [L5971] char const *var_opl3_load_patch_15_p2 ; [L5972] int var_opl3_load_patch_15_p3 ; [L5973] int var_opl3_load_patch_15_p4 ; [L5974] int var_opl3_load_patch_15_p5 ; [L5975] int var_opl3_aftertouch_18_p0 ; [L5976] int var_opl3_aftertouch_18_p1 ; [L5977] int var_opl3_aftertouch_18_p2 ; [L5978] int var_opl3_controller_20_p0 ; [L5979] int var_opl3_controller_20_p1 ; [L5980] int var_opl3_controller_20_p2 ; [L5981] int var_opl3_controller_20_p3 ; [L5982] int var_opl3_panning_16_p0 ; [L5983] int var_opl3_panning_16_p1 ; [L5984] int var_opl3_panning_16_p2 ; [L5985] int var_opl3_volume_method_17_p0 ; [L5986] int var_opl3_volume_method_17_p1 ; [L5987] int var_opl3_bender_21_p0 ; [L5988] int var_opl3_bender_21_p1 ; [L5989] int var_opl3_bender_21_p2 ; [L5990] int var_opl3_alloc_voice_22_p0 ; [L5991] int var_opl3_alloc_voice_22_p1 ; [L5992] int var_opl3_alloc_voice_22_p2 ; [L5993] struct voice_alloc_info *var_opl3_alloc_voice_22_p3 ; [L5994] int var_opl3_setup_voice_23_p0 ; [L5995] int var_opl3_setup_voice_23_p1 ; [L5996] int var_opl3_setup_voice_23_p2 ; [L5997] int ldv_s_opl3_operations_synth_operations ; [L5998] int tmp ; [L5999] int tmp___0 ; [L6000] int tmp___1 ; [L6002] ldv_s_opl3_operations_synth_operations = 0 [L6003] LDV_IN_INTERRUPT = 1 [L6004] FCALL ldv_initialize() [L6005] FCALL ldv_handler_precall() VAL [__this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6006] CALL, EXPR init_opl3() [L5905] int tmp ; [L5908] COND FALSE !(io != -1) VAL [__this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L5917] return (0); VAL [\result=0, __this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6006] RET, EXPR init_opl3() [L6006] tmp = init_opl3() [L6007] COND FALSE !(tmp != 0) VAL [__this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0] [L6102] tmp___1 = __VERIFIER_nondet_int() [L6103] COND TRUE tmp___1 != 0 || ldv_s_opl3_operations_synth_operations != 0 VAL [__this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0, tmp___1=1] [L6013] tmp___0 = __VERIFIER_nondet_int() [L6015] case 0: [L6028] case 1: [L6036] case 2: [L6040] case 3: [L6045] case 4: [L6050] case 5: [L6054] case 6: [L6058] case 7: [L6062] case 8: VAL [__this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0, tmp___0=8, tmp___1=1] [L6063] FCALL ldv_handler_precall() VAL [__this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0, tmp___0=8, tmp___1=1] [L6064-L6065] CALL opl3_load_patch(var_opl3_load_patch_15_p0, var_opl3_load_patch_15_p1, var_opl3_load_patch_15_p2, var_opl3_load_patch_15_p3, var_opl3_load_patch_15_p4, var_opl3_load_patch_15_p5) [L3367] struct sbi_instrument ins ; [L3368] unsigned long tmp ; [L3369] int tmp___0 ; VAL [\old(count)=4294967336, \old(dev)=27670116110564327427, \old(format)=27670116110564327430, \old(offs)=27670116110564327424, \old(pmgr_flag)=27670116110564327426, __this_module={27670116110564327429:27670116110564327425}, addr={27670116110564327428:9223372036854775808}, addr={27670116110564327428:9223372036854775808}, count=4294967336, detected_model=0, dev=27670116110564327427, devc={0:0}, fm_volume_table={25:0}, format=27670116110564327430, ins={131:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, offs=27670116110564327424, opl3_operations={26:0}, pmgr_flag=27670116110564327426, pv_map={24:0}] [L3371] COND FALSE !((unsigned int )count <= 39U) VAL [\old(count)=4294967336, \old(dev)=27670116110564327427, \old(format)=27670116110564327430, \old(offs)=27670116110564327424, \old(pmgr_flag)=27670116110564327426, __this_module={27670116110564327429:27670116110564327425}, addr={27670116110564327428:9223372036854775808}, addr={27670116110564327428:9223372036854775808}, count=4294967336, detected_model=0, dev=27670116110564327427, devc={0:0}, fm_volume_table={25:0}, format=27670116110564327430, ins={131:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, offs=27670116110564327424, opl3_operations={26:0}, pmgr_flag=27670116110564327426, pv_map={24:0}] [L3376-L3377] CALL ldv_copy_from_user_7((void *)(& ins) + (unsigned long )offs, (void const *)addr + (unsigned long )offs, 40UL - (unsigned long )offs) VAL [__this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6158] unsigned long tmp ; VAL [\old(n)=-27670116110564327384, __this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, from={27670116110564327428:0}, from={27670116110564327428:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, n=-27670116110564327384, opl3_operations={26:0}, pv_map={24:0}, to={131:-9223372036854775808}, to={131:-9223372036854775808}] [L6160] CALL ldv_check_len((long )n) VAL [__this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6213] COND FALSE !(n >= 0L) [L6215] CALL ldv_error() [L6170] reach_error() VAL [__this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 732 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 5367 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4284 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 1083 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=740occurred in iteration=1, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-07-19 22:49:23,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE