./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 6c24879c 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-?-6c24879 [2022-07-12 11:46:24,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 11:46:24,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 11:46:24,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 11:46:24,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 11:46:24,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 11:46:24,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 11:46:24,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 11:46:24,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 11:46:24,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 11:46:24,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 11:46:24,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 11:46:24,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 11:46:24,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 11:46:24,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 11:46:24,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 11:46:24,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 11:46:24,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 11:46:24,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 11:46:24,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 11:46:24,379 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 11:46:24,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 11:46:24,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 11:46:24,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 11:46:24,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 11:46:24,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 11:46:24,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 11:46:24,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 11:46:24,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 11:46:24,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 11:46:24,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 11:46:24,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 11:46:24,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 11:46:24,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 11:46:24,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 11:46:24,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 11:46:24,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 11:46:24,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 11:46:24,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 11:46:24,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 11:46:24,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 11:46:24,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 11:46:24,401 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 11:46:24,431 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 11:46:24,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 11:46:24,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 11:46:24,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 11:46:24,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 11:46:24,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 11:46:24,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 11:46:24,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 11:46:24,434 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 11:46:24,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 11:46:24,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 11:46:24,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 11:46:24,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 11:46:24,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 11:46:24,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 11:46:24,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 11:46:24,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 11:46:24,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 11:46:24,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 11:46:24,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 11:46:24,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 11:46:24,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:46:24,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 11:46:24,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 11:46:24,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 11:46:24,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 11:46:24,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 11:46:24,438 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 11:46:24,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 11:46:24,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 11:46:24,439 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2022-07-12 11:46:24,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 11:46:24,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 11:46:24,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 11:46:24,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 11:46:24,699 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 11:46:24,700 INFO L432 ainManager$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 [2022-07-12 11:46:24,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16b17afc/86305dc89d064b31928a32d2d79e095b/FLAGd897f9bb6 [2022-07-12 11:46:25,408 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 11:46:25,409 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 [2022-07-12 11:46:25,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16b17afc/86305dc89d064b31928a32d2d79e095b/FLAGd897f9bb6 [2022-07-12 11:46:25,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16b17afc/86305dc89d064b31928a32d2d79e095b [2022-07-12 11:46:25,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 11:46:25,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 11:46:25,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 11:46:25,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 11:46:25,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 11:46:25,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:46:25" (1/1) ... [2022-07-12 11:46:25,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf810b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:25, skipping insertion in model container [2022-07-12 11:46:25,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:46:25" (1/1) ... [2022-07-12 11:46:25,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 11:46:25,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 11:46:26,531 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] [2022-07-12 11:46:26,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:46:26,617 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 11:46:26,828 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] [2022-07-12 11:46:26,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:46:26,928 INFO L208 MainTranslator]: Completed translation [2022-07-12 11:46:26,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26 WrapperNode [2022-07-12 11:46:26,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 11:46:26,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 11:46:26,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 11:46:26,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 11:46:26,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26" (1/1) ... [2022-07-12 11:46:26,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26" (1/1) ... [2022-07-12 11:46:27,187 INFO L137 Inliner]: procedures = 101, calls = 3228, calls flagged for inlining = 40, calls inlined = 39, statements flattened = 4367 [2022-07-12 11:46:27,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 11:46:27,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 11:46:27,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 11:46:27,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 11:46:27,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26" (1/1) ... [2022-07-12 11:46:27,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26" (1/1) ... [2022-07-12 11:46:27,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26" (1/1) ... [2022-07-12 11:46:27,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26" (1/1) ... [2022-07-12 11:46:27,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26" (1/1) ... [2022-07-12 11:46:27,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26" (1/1) ... [2022-07-12 11:46:27,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26" (1/1) ... [2022-07-12 11:46:27,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 11:46:27,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 11:46:27,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 11:46:27,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 11:46:27,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26" (1/1) ... [2022-07-12 11:46:27,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:46:27,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:46:27,541 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) [2022-07-12 11:46:27,565 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 [2022-07-12 11:46:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2022-07-12 11:46:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2022-07-12 11:46:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 11:46:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 11:46:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 11:46:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2022-07-12 11:46:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2022-07-12 11:46:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 11:46:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 11:46:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 11:46:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2022-07-12 11:46:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2022-07-12 11:46:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 11:46:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 11:46:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 11:46:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 11:46:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-12 11:46:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-12 11:46:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-12 11:46:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-12 11:46:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 11:46:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 11:46:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2022-07-12 11:46:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2022-07-12 11:46:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 11:46:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2022-07-12 11:46:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2022-07-12 11:46:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-07-12 11:46:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-07-12 11:46:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 11:46:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 11:46:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 11:46:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 11:46:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2022-07-12 11:46:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2022-07-12 11:46:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 11:46:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 11:46:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 11:46:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 11:46:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 11:46:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2022-07-12 11:46:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2022-07-12 11:46:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 11:46:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 11:46:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 11:46:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 11:46:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-12 11:46:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-12 11:46:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2022-07-12 11:46:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2022-07-12 11:46:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-12 11:46:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-12 11:46:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-12 11:46:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-12 11:46:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 11:46:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-12 11:46:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-12 11:46:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2022-07-12 11:46:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2022-07-12 11:46:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-12 11:46:27,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-12 11:46:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 11:46:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 11:46:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 11:46:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2022-07-12 11:46:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2022-07-12 11:46:27,972 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 11:46:27,975 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 11:46:31,982 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 11:46:31,994 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 11:46:31,994 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 11:46:31,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:46:31 BoogieIcfgContainer [2022-07-12 11:46:31,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 11:46:31,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 11:46:31,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 11:46:32,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 11:46:32,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 11:46:25" (1/3) ... [2022-07-12 11:46:32,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738cf6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:46:32, skipping insertion in model container [2022-07-12 11:46:32,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:46:26" (2/3) ... [2022-07-12 11:46:32,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738cf6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:46:32, skipping insertion in model container [2022-07-12 11:46:32,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:46:31" (3/3) ... [2022-07-12 11:46:32,005 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2022-07-12 11:46:32,018 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 11:46:32,019 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 11:46:32,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 11:46:32,084 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@580f1dc2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7479bf37 [2022-07-12 11:46:32,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 11:46:32,091 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) [2022-07-12 11:46:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-12 11:46:32,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:46:32,105 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] [2022-07-12 11:46:32,105 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:46:32,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:46:32,113 INFO L85 PathProgramCache]: Analyzing trace with hash 595835399, now seen corresponding path program 1 times [2022-07-12 11:46:32,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:46:32,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287433629] [2022-07-12 11:46:32,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:46:32,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:46:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:46:32,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:46:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:46:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 11:46:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:46:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-12 11:46:32,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:46:32,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287433629] [2022-07-12 11:46:32,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287433629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:46:32,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:46:32,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 11:46:32,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7977291] [2022-07-12 11:46:32,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:46:32,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 11:46:32,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:46:33,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 11:46:33,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 11:46:33,022 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) [2022-07-12 11:46:33,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:46:33,295 INFO L93 Difference]: Finished difference Result 1482 states and 2309 transitions. [2022-07-12 11:46:33,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 11:46:33,298 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 [2022-07-12 11:46:33,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:46:33,328 INFO L225 Difference]: With dead ends: 1482 [2022-07-12 11:46:33,329 INFO L226 Difference]: Without dead ends: 740 [2022-07-12 11:46:33,341 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 [2022-07-12 11:46:33,344 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 [2022-07-12 11:46:33,346 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] [2022-07-12 11:46:33,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2022-07-12 11:46:33,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2022-07-12 11:46:33,426 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) [2022-07-12 11:46:33,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1073 transitions. [2022-07-12 11:46:33,432 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1073 transitions. Word has length 28 [2022-07-12 11:46:33,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:46:33,433 INFO L495 AbstractCegarLoop]: Abstraction has 740 states and 1073 transitions. [2022-07-12 11:46:33,433 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) [2022-07-12 11:46:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1073 transitions. [2022-07-12 11:46:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-12 11:46:33,437 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:46:33,437 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] [2022-07-12 11:46:33,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 11:46:33,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:46:33,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:46:33,438 INFO L85 PathProgramCache]: Analyzing trace with hash 431139790, now seen corresponding path program 1 times [2022-07-12 11:46:33,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:46:33,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269059308] [2022-07-12 11:46:33,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:46:33,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:46:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 11:46:34,009 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 11:46:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 11:46:34,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 11:46:34,559 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 11:46:34,561 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 11:46:34,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 11:46:34,565 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-12 11:46:34,568 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 11:46:34,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 11:46:34 BoogieIcfgContainer [2022-07-12 11:46:34,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 11:46:34,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 11:46:34,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 11:46:34,648 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 11:46:34,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:46:31" (3/4) ... [2022-07-12 11:46:34,650 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-12 11:46:34,749 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 11:46:34,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 11:46:34,750 INFO L158 Benchmark]: Toolchain (without parser) took 9205.43ms. Allocated memory was 90.2MB in the beginning and 354.4MB in the end (delta: 264.2MB). Free memory was 52.2MB in the beginning and 105.9MB in the end (delta: -53.7MB). Peak memory consumption was 211.3MB. Max. memory is 16.1GB. [2022-07-12 11:46:34,751 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 11:46:34,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1382.66ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 52.9MB in the end (delta: -721.8kB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2022-07-12 11:46:34,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.60ms. Allocated memory was 109.1MB in the beginning and 155.2MB in the end (delta: 46.1MB). Free memory was 52.9MB in the beginning and 84.9MB in the end (delta: -32.0MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-07-12 11:46:34,752 INFO L158 Benchmark]: Boogie Preprocessor took 314.22ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 81.6MB in the end (delta: 3.3MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-07-12 11:46:34,752 INFO L158 Benchmark]: RCFGBuilder took 4493.62ms. Allocated memory was 155.2MB in the beginning and 354.4MB in the end (delta: 199.2MB). Free memory was 81.6MB in the beginning and 145.6MB in the end (delta: -64.0MB). Peak memory consumption was 144.5MB. Max. memory is 16.1GB. [2022-07-12 11:46:34,752 INFO L158 Benchmark]: TraceAbstraction took 2647.76ms. Allocated memory is still 354.4MB. Free memory was 145.6MB in the beginning and 116.2MB in the end (delta: 29.4MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-07-12 11:46:34,752 INFO L158 Benchmark]: Witness Printer took 102.44ms. Allocated memory is still 354.4MB. Free memory was 116.2MB in the beginning and 105.9MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-12 11:46:34,754 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 90.2MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1382.66ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 52.9MB in the end (delta: -721.8kB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.60ms. Allocated memory was 109.1MB in the beginning and 155.2MB in the end (delta: 46.1MB). Free memory was 52.9MB in the beginning and 84.9MB in the end (delta: -32.0MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 314.22ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 81.6MB in the end (delta: 3.3MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4493.62ms. Allocated memory was 155.2MB in the beginning and 354.4MB in the end (delta: 199.2MB). Free memory was 81.6MB in the beginning and 145.6MB in the end (delta: -64.0MB). Peak memory consumption was 144.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2647.76ms. Allocated memory is still 354.4MB. Free memory was 145.6MB in the beginning and 116.2MB in the end (delta: 29.4MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Witness Printer took 102.44ms. Allocated memory is still 354.4MB. Free memory was 116.2MB in the beginning and 105.9MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. 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: 0.4s, 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, 0.3s 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! [2022-07-12 11:46:34,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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