./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 f4b24e32 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-?-f4b24e3 [2022-07-13 23:26:50,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:26:50,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:26:51,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:26:51,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:26:51,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:26:51,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:26:51,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:26:51,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:26:51,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:26:51,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:26:51,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:26:51,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:26:51,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:26:51,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:26:51,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:26:51,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:26:51,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:26:51,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:26:51,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:26:51,099 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:26:51,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:26:51,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:26:51,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:26:51,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:26:51,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:26:51,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:26:51,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:26:51,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:26:51,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:26:51,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:26:51,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:26:51,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:26:51,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:26:51,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:26:51,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:26:51,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:26:51,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:26:51,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:26:51,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:26:51,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:26:51,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:26:51,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:26:51,157 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:26:51,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:26:51,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:26:51,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:26:51,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:26:51,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:26:51,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:26:51,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:26:51,161 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:26:51,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:26:51,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:26:51,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:26:51,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:26:51,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:26:51,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:26:51,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:26:51,163 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:26:51,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:26:51,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:26:51,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:26:51,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:26:51,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:26:51,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:26:51,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:26:51,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:26:51,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:26:51,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:26:51,166 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:26:51,167 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:26:51,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:26:51,167 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2022-07-13 23:26:51,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:26:51,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:26:51,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:26:51,479 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:26:51,480 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:26:51,481 INFO L432 ainManager$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 [2022-07-13 23:26:51,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72709ef4/86fb887bbf4d4954841aca9a9c477d7f/FLAGd9422b927 [2022-07-13 23:26:52,322 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:26:52,322 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 [2022-07-13 23:26:52,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72709ef4/86fb887bbf4d4954841aca9a9c477d7f/FLAGd9422b927 [2022-07-13 23:26:52,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72709ef4/86fb887bbf4d4954841aca9a9c477d7f [2022-07-13 23:26:52,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:26:52,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:26:52,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:26:52,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:26:52,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:26:52,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:26:52" (1/1) ... [2022-07-13 23:26:52,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d0d6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:52, skipping insertion in model container [2022-07-13 23:26:52,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:26:52" (1/1) ... [2022-07-13 23:26:52,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:26:52,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:26:53,454 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] [2022-07-13 23:26:53,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:26:53,600 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:26:53,785 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] [2022-07-13 23:26:53,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:26:53,897 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:26:53,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53 WrapperNode [2022-07-13 23:26:53,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:26:53,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:26:53,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:26:53,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:26:53,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53" (1/1) ... [2022-07-13 23:26:53,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53" (1/1) ... [2022-07-13 23:26:54,148 INFO L137 Inliner]: procedures = 101, calls = 3228, calls flagged for inlining = 40, calls inlined = 39, statements flattened = 4367 [2022-07-13 23:26:54,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:26:54,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:26:54,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:26:54,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:26:54,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53" (1/1) ... [2022-07-13 23:26:54,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53" (1/1) ... [2022-07-13 23:26:54,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53" (1/1) ... [2022-07-13 23:26:54,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53" (1/1) ... [2022-07-13 23:26:54,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53" (1/1) ... [2022-07-13 23:26:54,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53" (1/1) ... [2022-07-13 23:26:54,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53" (1/1) ... [2022-07-13 23:26:54,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:26:54,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:26:54,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:26:54,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:26:54,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53" (1/1) ... [2022-07-13 23:26:54,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:26:54,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:26:54,497 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) [2022-07-13 23:26:54,501 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 [2022-07-13 23:26:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2022-07-13 23:26:54,536 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2022-07-13 23:26:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-13 23:26:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-13 23:26:54,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-13 23:26:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2022-07-13 23:26:54,536 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2022-07-13 23:26:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:26:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:26:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 23:26:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2022-07-13 23:26:54,537 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2022-07-13 23:26:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-13 23:26:54,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-13 23:26:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:26:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:26:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-13 23:26:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-13 23:26:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-13 23:26:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-13 23:26:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-13 23:26:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-13 23:26:54,539 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2022-07-13 23:26:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2022-07-13 23:26:54,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 23:26:54,539 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2022-07-13 23:26:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2022-07-13 23:26:54,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-07-13 23:26:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-07-13 23:26:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:26:54,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:26:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:26:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:26:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2022-07-13 23:26:54,540 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2022-07-13 23:26:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-13 23:26:54,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-13 23:26:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:26:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:26:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:26:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2022-07-13 23:26:54,541 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2022-07-13 23:26:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:26:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:26:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-13 23:26:54,542 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-13 23:26:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-13 23:26:54,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-13 23:26:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2022-07-13 23:26:54,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2022-07-13 23:26:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-13 23:26:54,543 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-13 23:26:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-13 23:26:54,544 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-13 23:26:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 23:26:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-13 23:26:54,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-13 23:26:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2022-07-13 23:26:54,546 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2022-07-13 23:26:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-13 23:26:54,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-13 23:26:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-13 23:26:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:26:54,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:26:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2022-07-13 23:26:54,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2022-07-13 23:26:54,912 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:26:54,914 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:26:58,863 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:26:58,884 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:26:58,885 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 23:26:58,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:26:58 BoogieIcfgContainer [2022-07-13 23:26:58,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:26:58,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:26:58,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:26:58,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:26:58,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:26:52" (1/3) ... [2022-07-13 23:26:58,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bc3c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:26:58, skipping insertion in model container [2022-07-13 23:26:58,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:26:53" (2/3) ... [2022-07-13 23:26:58,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bc3c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:26:58, skipping insertion in model container [2022-07-13 23:26:58,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:26:58" (3/3) ... [2022-07-13 23:26:58,900 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2022-07-13 23:26:58,916 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:26:58,916 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:26:58,985 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:26:58,992 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@596cdd44, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@407a15d7 [2022-07-13 23:26:58,992 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:26:58,999 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) [2022-07-13 23:26:59,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-13 23:26:59,010 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:26:59,011 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] [2022-07-13 23:26:59,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:26:59,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:26:59,015 INFO L85 PathProgramCache]: Analyzing trace with hash 595835399, now seen corresponding path program 1 times [2022-07-13 23:26:59,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:26:59,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473582282] [2022-07-13 23:26:59,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:26:59,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:26:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:26:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 23:26:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:26:59,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 23:26:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:26:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-13 23:26:59,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:26:59,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473582282] [2022-07-13 23:26:59,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473582282] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:26:59,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:26:59,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 23:26:59,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099166592] [2022-07-13 23:26:59,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:26:59,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 23:26:59,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:26:59,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 23:26:59,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 23:26:59,967 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) [2022-07-13 23:27:00,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:27:00,232 INFO L93 Difference]: Finished difference Result 1482 states and 2309 transitions. [2022-07-13 23:27:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 23:27:00,234 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 [2022-07-13 23:27:00,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:27:00,264 INFO L225 Difference]: With dead ends: 1482 [2022-07-13 23:27:00,264 INFO L226 Difference]: Without dead ends: 740 [2022-07-13 23:27:00,275 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 [2022-07-13 23:27:00,280 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 [2022-07-13 23:27:00,281 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] [2022-07-13 23:27:00,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2022-07-13 23:27:00,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2022-07-13 23:27:00,403 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) [2022-07-13 23:27:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1073 transitions. [2022-07-13 23:27:00,415 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1073 transitions. Word has length 28 [2022-07-13 23:27:00,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:27:00,416 INFO L495 AbstractCegarLoop]: Abstraction has 740 states and 1073 transitions. [2022-07-13 23:27:00,417 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) [2022-07-13 23:27:00,417 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1073 transitions. [2022-07-13 23:27:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-13 23:27:00,426 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:27:00,426 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] [2022-07-13 23:27:00,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 23:27:00,427 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:27:00,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:27:00,427 INFO L85 PathProgramCache]: Analyzing trace with hash 431139790, now seen corresponding path program 1 times [2022-07-13 23:27:00,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:27:00,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393369783] [2022-07-13 23:27:00,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:27:00,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:27:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:27:01,046 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 23:27:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:27:01,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 23:27:01,673 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 23:27:01,674 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 23:27:01,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 23:27:01,679 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 23:27:01,682 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 23:27:01,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:27:01 BoogieIcfgContainer [2022-07-13 23:27:01,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 23:27:01,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 23:27:01,786 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 23:27:01,786 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 23:27:01,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:26:58" (3/4) ... [2022-07-13 23:27:01,789 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-13 23:27:01,921 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 23:27:01,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 23:27:01,922 INFO L158 Benchmark]: Toolchain (without parser) took 9515.25ms. Allocated memory was 130.0MB in the beginning and 343.9MB in the end (delta: 213.9MB). Free memory was 87.0MB in the beginning and 141.3MB in the end (delta: -54.3MB). Peak memory consumption was 159.3MB. Max. memory is 16.1GB. [2022-07-13 23:27:01,923 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 53.5MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:27:01,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1491.71ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 86.8MB in the beginning and 138.9MB in the end (delta: -52.1MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-07-13 23:27:01,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 247.95ms. Allocated memory is still 197.1MB. Free memory was 138.9MB in the beginning and 107.4MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-07-13 23:27:01,923 INFO L158 Benchmark]: Boogie Preprocessor took 310.62ms. Allocated memory is still 197.1MB. Free memory was 107.4MB in the beginning and 123.4MB in the end (delta: -16.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-07-13 23:27:01,924 INFO L158 Benchmark]: RCFGBuilder took 4427.31ms. Allocated memory was 197.1MB in the beginning and 343.9MB in the end (delta: 146.8MB). Free memory was 123.4MB in the beginning and 150.6MB in the end (delta: -27.2MB). Peak memory consumption was 207.0MB. Max. memory is 16.1GB. [2022-07-13 23:27:01,924 INFO L158 Benchmark]: TraceAbstraction took 2894.92ms. Allocated memory is still 343.9MB. Free memory was 149.6MB in the beginning and 151.6MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:27:01,924 INFO L158 Benchmark]: Witness Printer took 135.00ms. Allocated memory is still 343.9MB. Free memory was 151.6MB in the beginning and 141.3MB in the end (delta: 10.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-13 23:27:01,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 53.5MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1491.71ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 86.8MB in the beginning and 138.9MB in the end (delta: -52.1MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 247.95ms. Allocated memory is still 197.1MB. Free memory was 138.9MB in the beginning and 107.4MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 310.62ms. Allocated memory is still 197.1MB. Free memory was 107.4MB in the beginning and 123.4MB in the end (delta: -16.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4427.31ms. Allocated memory was 197.1MB in the beginning and 343.9MB in the end (delta: 146.8MB). Free memory was 123.4MB in the beginning and 150.6MB in the end (delta: -27.2MB). Peak memory consumption was 207.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2894.92ms. Allocated memory is still 343.9MB. Free memory was 149.6MB in the beginning and 151.6MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 135.00ms. Allocated memory is still 343.9MB. Free memory was 151.6MB in the beginning and 141.3MB in the end (delta: 10.3MB). Peak memory consumption was 12.6MB. 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: 2.7s, 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: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s 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! [2022-07-13 23:27:02,007 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