./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.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 b54d883eb9c7cf53df65640b3ba7697c930306d5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 18:51:27,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 18:51:27,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 18:51:27,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 18:51:27,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 18:51:27,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 18:51:27,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 18:51:27,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 18:51:27,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 18:51:27,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 18:51:27,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 18:51:27,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 18:51:27,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 18:51:27,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 18:51:27,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 18:51:27,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 18:51:27,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 18:51:27,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 18:51:27,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 18:51:27,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 18:51:27,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 18:51:27,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 18:51:27,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 18:51:27,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 18:51:27,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 18:51:27,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 18:51:27,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 18:51:27,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 18:51:27,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 18:51:27,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 18:51:27,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 18:51:27,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 18:51:27,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 18:51:27,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 18:51:27,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 18:51:27,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 18:51:27,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 18:51:27,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 18:51:27,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 18:51:27,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 18:51:27,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 18:51:27,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-08-26 18:51:27,303 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 18:51:27,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 18:51:27,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 18:51:27,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 18:51:27,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 18:51:27,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 18:51:27,306 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 18:51:27,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 18:51:27,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 18:51:27,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 18:51:27,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 18:51:27,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 18:51:27,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 18:51:27,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 18:51:27,307 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 18:51:27,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 18:51:27,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 18:51:27,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 18:51:27,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 18:51:27,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 18:51:27,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 18:51:27,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 18:51:27,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 18:51:27,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 18:51:27,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 18:51:27,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 18:51:27,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 18:51:27,308 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b54d883eb9c7cf53df65640b3ba7697c930306d5 [2021-08-26 18:51:27,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 18:51:27,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 18:51:27,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 18:51:27,587 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 18:51:27,587 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 18:51:27,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2021-08-26 18:51:27,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97adfe5c/d79fdff5a00d455786b14c1b9a15195c/FLAG131e15e98 [2021-08-26 18:51:28,151 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 18:51:28,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2021-08-26 18:51:28,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97adfe5c/d79fdff5a00d455786b14c1b9a15195c/FLAG131e15e98 [2021-08-26 18:51:28,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97adfe5c/d79fdff5a00d455786b14c1b9a15195c [2021-08-26 18:51:28,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 18:51:28,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 18:51:28,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 18:51:28,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 18:51:28,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 18:51:28,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:51:28" (1/1) ... [2021-08-26 18:51:28,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3219d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:28, skipping insertion in model container [2021-08-26 18:51:28,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:51:28" (1/1) ... [2021-08-26 18:51:28,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 18:51:28,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 18:51:28,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i[70748,70761] [2021-08-26 18:51:29,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 18:51:29,151 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 18:51:29,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i[70748,70761] [2021-08-26 18:51:29,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 18:51:29,383 INFO L208 MainTranslator]: Completed translation [2021-08-26 18:51:29,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29 WrapperNode [2021-08-26 18:51:29,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 18:51:29,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 18:51:29,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 18:51:29,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 18:51:29,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29" (1/1) ... [2021-08-26 18:51:29,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29" (1/1) ... [2021-08-26 18:51:29,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 18:51:29,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 18:51:29,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 18:51:29,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 18:51:29,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29" (1/1) ... [2021-08-26 18:51:29,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29" (1/1) ... [2021-08-26 18:51:29,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29" (1/1) ... [2021-08-26 18:51:29,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29" (1/1) ... [2021-08-26 18:51:30,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29" (1/1) ... [2021-08-26 18:51:30,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29" (1/1) ... [2021-08-26 18:51:30,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29" (1/1) ... [2021-08-26 18:51:30,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 18:51:30,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 18:51:30,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 18:51:30,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 18:51:30,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29" (1/1) ... [2021-08-26 18:51:30,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 18:51:30,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 18:51:30,274 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) [2021-08-26 18:51:30,290 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 [2021-08-26 18:51:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-08-26 18:51:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-26 18:51:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-26 18:51:30,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 18:51:30,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 18:51:30,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 18:51:30,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 18:51:30,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 18:51:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 18:51:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 18:51:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 18:51:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 18:51:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-08-26 18:51:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 18:51:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 18:51:37,353 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 18:51:37,353 INFO L299 CfgBuilder]: Removed 2415 assume(true) statements. [2021-08-26 18:51:37,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:51:37 BoogieIcfgContainer [2021-08-26 18:51:37,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 18:51:37,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 18:51:37,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 18:51:37,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 18:51:37,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 06:51:28" (1/3) ... [2021-08-26 18:51:37,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100f0048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:51:37, skipping insertion in model container [2021-08-26 18:51:37,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:51:29" (2/3) ... [2021-08-26 18:51:37,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100f0048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:51:37, skipping insertion in model container [2021-08-26 18:51:37,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:51:37" (3/3) ... [2021-08-26 18:51:37,361 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2021-08-26 18:51:37,363 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 18:51:37,364 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-08-26 18:51:37,395 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 18:51:37,399 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 18:51:37,399 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-08-26 18:51:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 2786 states, 2771 states have (on average 1.438469866474197) internal successors, (3986), 2785 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:51:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-26 18:51:37,436 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 18:51:37,437 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 18:51:37,437 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 18:51:37,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 18:51:37,440 INFO L82 PathProgramCache]: Analyzing trace with hash -905587788, now seen corresponding path program 1 times [2021-08-26 18:51:37,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 18:51:37,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948418368] [2021-08-26 18:51:37,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:51:37,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 18:51:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 18:51:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 18:51:37,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 18:51:37,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948418368] [2021-08-26 18:51:37,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948418368] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 18:51:37,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 18:51:37,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 18:51:37,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819691743] [2021-08-26 18:51:37,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 18:51:37,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 18:51:37,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 18:51:37,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 18:51:37,954 INFO L87 Difference]: Start difference. First operand has 2786 states, 2771 states have (on average 1.438469866474197) internal successors, (3986), 2785 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:51:38,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 18:51:38,354 INFO L93 Difference]: Finished difference Result 5797 states and 8286 transitions. [2021-08-26 18:51:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 18:51:38,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-26 18:51:38,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 18:51:38,378 INFO L225 Difference]: With dead ends: 5797 [2021-08-26 18:51:38,378 INFO L226 Difference]: Without dead ends: 2987 [2021-08-26 18:51:38,387 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 18:51:38,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2021-08-26 18:51:38,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2987. [2021-08-26 18:51:38,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2987 states, 2973 states have (on average 1.422132526067945) internal successors, (4228), 2986 states have internal predecessors, (4228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:51:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2987 states and 4228 transitions. [2021-08-26 18:51:38,565 INFO L78 Accepts]: Start accepts. Automaton has 2987 states and 4228 transitions. Word has length 23 [2021-08-26 18:51:38,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 18:51:38,565 INFO L470 AbstractCegarLoop]: Abstraction has 2987 states and 4228 transitions. [2021-08-26 18:51:38,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:51:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2987 states and 4228 transitions. [2021-08-26 18:51:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 18:51:38,567 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 18:51:38,567 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 18:51:38,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 18:51:38,568 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 18:51:38,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 18:51:38,568 INFO L82 PathProgramCache]: Analyzing trace with hash -242278306, now seen corresponding path program 1 times [2021-08-26 18:51:38,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 18:51:38,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923756669] [2021-08-26 18:51:38,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:51:38,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 18:51:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 18:51:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-26 18:51:38,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 18:51:38,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923756669] [2021-08-26 18:51:38,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923756669] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 18:51:38,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 18:51:38,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 18:51:38,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995785577] [2021-08-26 18:51:38,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 18:51:38,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 18:51:38,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 18:51:38,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 18:51:38,851 INFO L87 Difference]: Start difference. First operand 2987 states and 4228 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:51:39,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 18:51:39,019 INFO L93 Difference]: Finished difference Result 5755 states and 8175 transitions. [2021-08-26 18:51:39,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 18:51:39,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-26 18:51:39,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 18:51:39,038 INFO L225 Difference]: With dead ends: 5755 [2021-08-26 18:51:39,038 INFO L226 Difference]: Without dead ends: 5731 [2021-08-26 18:51:39,041 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 18:51:39,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5731 states. [2021-08-26 18:51:39,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5731 to 2963. [2021-08-26 18:51:39,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2963 states, 2961 states have (on average 1.419790611279973) internal successors, (4204), 2962 states have internal predecessors, (4204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:51:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 4204 transitions. [2021-08-26 18:51:39,126 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 4204 transitions. Word has length 35 [2021-08-26 18:51:39,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 18:51:39,127 INFO L470 AbstractCegarLoop]: Abstraction has 2963 states and 4204 transitions. [2021-08-26 18:51:39,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:51:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 4204 transitions. [2021-08-26 18:51:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-26 18:51:39,131 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 18:51:39,131 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 18:51:39,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 18:51:39,131 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-08-26 18:51:39,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 18:51:39,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1633730832, now seen corresponding path program 1 times [2021-08-26 18:51:39,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 18:51:39,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531592728] [2021-08-26 18:51:39,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:51:39,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 18:51:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 18:51:41,248 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 18:51:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 18:51:43,200 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 18:51:43,200 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 18:51:43,201 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:51:43,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 18:51:43,213 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 18:51:43,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 06:51:43 BoogieIcfgContainer [2021-08-26 18:51:43,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 18:51:43,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 18:51:43,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 18:51:43,329 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 18:51:43,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:51:37" (3/4) ... [2021-08-26 18:51:43,330 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-26 18:51:43,464 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 18:51:43,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 18:51:43,465 INFO L168 Benchmark]: Toolchain (without parser) took 15070.27 ms. Allocated memory was 48.2 MB in the beginning and 1.4 GB in the end (delta: 1.4 GB). Free memory was 26.3 MB in the beginning and 678.6 MB in the end (delta: -652.4 MB). Peak memory consumption was 723.6 MB. Max. memory is 16.1 GB. [2021-08-26 18:51:43,466 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 48.2 MB. Free memory was 30.6 MB in the beginning and 30.6 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 18:51:43,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 988.16 ms. Allocated memory was 48.2 MB in the beginning and 159.4 MB in the end (delta: 111.1 MB). Free memory was 26.1 MB in the beginning and 111.5 MB in the end (delta: -85.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2021-08-26 18:51:43,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 378.48 ms. Allocated memory is still 159.4 MB. Free memory was 111.5 MB in the beginning and 59.7 MB in the end (delta: 51.8 MB). Peak memory consumption was 58.2 MB. Max. memory is 16.1 GB. [2021-08-26 18:51:43,466 INFO L168 Benchmark]: Boogie Preprocessor took 472.88 ms. Allocated memory was 159.4 MB in the beginning and 337.6 MB in the end (delta: 178.3 MB). Free memory was 59.7 MB in the beginning and 214.3 MB in the end (delta: -154.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-08-26 18:51:43,466 INFO L168 Benchmark]: RCFGBuilder took 7117.51 ms. Allocated memory was 337.6 MB in the beginning and 809.5 MB in the end (delta: 471.9 MB). Free memory was 214.3 MB in the beginning and 400.0 MB in the end (delta: -185.6 MB). Peak memory consumption was 479.1 MB. Max. memory is 16.1 GB. [2021-08-26 18:51:43,466 INFO L168 Benchmark]: TraceAbstraction took 5971.40 ms. Allocated memory was 809.5 MB in the beginning and 1.4 GB in the end (delta: 614.5 MB). Free memory was 398.9 MB in the beginning and 720.8 MB in the end (delta: -321.9 MB). Peak memory consumption was 556.8 MB. Max. memory is 16.1 GB. [2021-08-26 18:51:43,467 INFO L168 Benchmark]: Witness Printer took 135.56 ms. Allocated memory is still 1.4 GB. Free memory was 720.8 MB in the beginning and 678.6 MB in the end (delta: 42.1 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-08-26 18:51:43,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 48.2 MB. Free memory was 30.6 MB in the beginning and 30.6 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 988.16 ms. Allocated memory was 48.2 MB in the beginning and 159.4 MB in the end (delta: 111.1 MB). Free memory was 26.1 MB in the beginning and 111.5 MB in the end (delta: -85.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 378.48 ms. Allocated memory is still 159.4 MB. Free memory was 111.5 MB in the beginning and 59.7 MB in the end (delta: 51.8 MB). Peak memory consumption was 58.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 472.88 ms. Allocated memory was 159.4 MB in the beginning and 337.6 MB in the end (delta: 178.3 MB). Free memory was 59.7 MB in the beginning and 214.3 MB in the end (delta: -154.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7117.51 ms. Allocated memory was 337.6 MB in the beginning and 809.5 MB in the end (delta: 471.9 MB). Free memory was 214.3 MB in the beginning and 400.0 MB in the end (delta: -185.6 MB). Peak memory consumption was 479.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5971.40 ms. Allocated memory was 809.5 MB in the beginning and 1.4 GB in the end (delta: 614.5 MB). Free memory was 398.9 MB in the beginning and 720.8 MB in the end (delta: -321.9 MB). Peak memory consumption was 556.8 MB. Max. memory is 16.1 GB. * Witness Printer took 135.56 ms. Allocated memory is still 1.4 GB. Free memory was 720.8 MB in the beginning and 678.6 MB in the end (delta: 42.1 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 2565]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L2588] int ldv_state_variable_1 ; [L2589] int LDV_IN_INTERRUPT = 1; [L2590] int ref_cnt ; [L2591] int ldv_state_variable_0 ; [L2671-L2689] 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}}}; [L2690] static struct opl_devinfo *devc = (struct opl_devinfo *)0; [L2691] static int detected_model ; [L2984-L3016] 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, -5, -5, -4, -4, -4, -4, -3, -3, -3, -3, -2, -2, -2, -2, -2, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 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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}, 0}; [L4904] static int me ; [L4905] static int io = -1; [L4943] int ldv_retval_0 ; [L4944] int ldv_retval_1 ; VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L4949] int ldvarg18 ; [L4950] int tmp ; [L4951] int ldvarg11 ; [L4952] int tmp___0 ; [L4953] int ldvarg32 ; [L4954] int tmp___1 ; [L4955] int ldvarg7 ; [L4956] int tmp___2 ; [L4957] unsigned char *ldvarg23 ; [L4958] void *tmp___3 ; [L4959] int ldvarg43 ; [L4960] int tmp___4 ; [L4961] int ldvarg42 ; [L4962] int tmp___5 ; [L4963] int ldvarg12 ; [L4964] int tmp___6 ; [L4965] int ldvarg46 ; [L4966] int tmp___7 ; [L4967] int ldvarg1 ; [L4968] int tmp___8 ; [L4969] int ldvarg37 ; [L4970] int tmp___9 ; [L4971] int ldvarg29 ; [L4972] int tmp___10 ; [L4973] struct voice_alloc_info *ldvarg44 ; [L4974] void *tmp___11 ; [L4975] int ldvarg24 ; [L4976] int tmp___12 ; [L4977] int ldvarg35 ; [L4978] int tmp___13 ; [L4979] int ldvarg0 ; [L4980] int tmp___14 ; [L4981] int ldvarg38 ; [L4982] int tmp___15 ; [L4983] int ldvarg5 ; [L4984] int tmp___16 ; [L4985] void *ldvarg33 ; [L4986] void *tmp___17 ; [L4987] int ldvarg16 ; [L4988] int tmp___18 ; [L4989] int ldvarg6 ; [L4990] int tmp___19 ; [L4991] int ldvarg4 ; [L4992] int tmp___20 ; [L4993] int ldvarg14 ; [L4994] int tmp___21 ; [L4995] unsigned int ldvarg34 ; [L4996] unsigned int tmp___22 ; [L4997] int ldvarg28 ; [L4998] int tmp___23 ; [L4999] int ldvarg2 ; [L5000] int tmp___24 ; [L5001] int ldvarg47 ; [L5002] int tmp___25 ; [L5003] int ldvarg39 ; [L5004] int tmp___26 ; [L5005] int ldvarg20 ; [L5006] int tmp___27 ; [L5007] int ldvarg31 ; [L5008] int tmp___28 ; [L5009] int ldvarg41 ; [L5010] int tmp___29 ; [L5011] int ldvarg3 ; [L5012] int tmp___30 ; [L5013] char *ldvarg8 ; [L5014] void *tmp___31 ; [L5015] int ldvarg13 ; [L5016] int tmp___32 ; [L5017] int ldvarg36 ; [L5018] int tmp___33 ; [L5019] int ldvarg10 ; [L5020] int tmp___34 ; [L5021] int ldvarg40 ; [L5022] int tmp___35 ; [L5023] int ldvarg9 ; [L5024] int tmp___36 ; [L5025] int ldvarg45 ; [L5026] int tmp___37 ; [L5027] int ldvarg26 ; [L5028] int tmp___38 ; [L5029] int ldvarg27 ; [L5030] int tmp___39 ; [L5031] int ldvarg15 ; [L5032] int tmp___40 ; [L5033] int ldvarg30 ; [L5034] int tmp___41 ; [L5035] int ldvarg21 ; [L5036] int tmp___42 ; [L5037] int ldvarg17 ; [L5038] int tmp___43 ; [L5039] int ldvarg25 ; [L5040] int tmp___44 ; [L5041] int ldvarg22 ; [L5042] int tmp___45 ; [L5043] int ldvarg19 ; [L5044] int tmp___46 ; [L5045] int tmp___47 ; [L5046] int tmp___48 ; [L5047] int tmp___49 ; [L5049] tmp = __VERIFIER_nondet_int() [L5050] ldvarg18 = tmp [L5051] tmp___0 = __VERIFIER_nondet_int() [L5052] ldvarg11 = tmp___0 [L5053] tmp___1 = __VERIFIER_nondet_int() [L5054] ldvarg32 = tmp___1 [L5055] tmp___2 = __VERIFIER_nondet_int() [L5056] ldvarg7 = tmp___2 [L2530] void *p ; [L2531] void *tmp ; [L2532] int tmp___0 ; [L2534] tmp___0 = __VERIFIER_nondet_int() [L2535] COND TRUE tmp___0 != 0 [L2536] return ((void *)0); VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5057] tmp___3 = ldv_zalloc(1UL) [L5058] ldvarg23 = (unsigned char *)tmp___3 [L5059] tmp___4 = __VERIFIER_nondet_int() [L5060] ldvarg43 = tmp___4 [L5061] tmp___5 = __VERIFIER_nondet_int() [L5062] ldvarg42 = tmp___5 [L5063] tmp___6 = __VERIFIER_nondet_int() [L5064] ldvarg12 = tmp___6 [L5065] tmp___7 = __VERIFIER_nondet_int() [L5066] ldvarg46 = tmp___7 [L5067] tmp___8 = __VERIFIER_nondet_int() [L5068] ldvarg1 = tmp___8 [L5069] tmp___9 = __VERIFIER_nondet_int() [L5070] ldvarg37 = tmp___9 [L5071] tmp___10 = __VERIFIER_nondet_int() [L5072] ldvarg29 = tmp___10 [L2530] void *p ; [L2531] void *tmp ; [L2532] int tmp___0 ; [L2534] tmp___0 = __VERIFIER_nondet_int() [L2535] COND TRUE tmp___0 != 0 [L2536] return ((void *)0); VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5073] tmp___11 = ldv_zalloc(208UL) [L5074] ldvarg44 = (struct voice_alloc_info *)tmp___11 [L5075] tmp___12 = __VERIFIER_nondet_int() [L5076] ldvarg24 = tmp___12 [L5077] tmp___13 = __VERIFIER_nondet_int() [L5078] ldvarg35 = tmp___13 [L5079] tmp___14 = __VERIFIER_nondet_int() [L5080] ldvarg0 = tmp___14 [L5081] tmp___15 = __VERIFIER_nondet_int() [L5082] ldvarg38 = tmp___15 [L5083] tmp___16 = __VERIFIER_nondet_int() [L5084] ldvarg5 = tmp___16 [L2530] void *p ; [L2531] void *tmp ; [L2532] int tmp___0 ; [L2534] tmp___0 = __VERIFIER_nondet_int() [L2535] COND TRUE tmp___0 != 0 [L2536] return ((void *)0); VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5085] tmp___17 = ldv_zalloc(1UL) [L5086] ldvarg33 = tmp___17 [L5087] tmp___18 = __VERIFIER_nondet_int() [L5088] ldvarg16 = tmp___18 [L5089] tmp___19 = __VERIFIER_nondet_int() [L5090] ldvarg6 = tmp___19 [L5091] tmp___20 = __VERIFIER_nondet_int() [L5092] ldvarg4 = tmp___20 [L5093] tmp___21 = __VERIFIER_nondet_int() [L5094] ldvarg14 = tmp___21 [L5095] tmp___22 = __VERIFIER_nondet_uint() [L5096] ldvarg34 = tmp___22 [L5097] tmp___23 = __VERIFIER_nondet_int() [L5098] ldvarg28 = tmp___23 [L5099] tmp___24 = __VERIFIER_nondet_int() [L5100] ldvarg2 = tmp___24 [L5101] tmp___25 = __VERIFIER_nondet_int() [L5102] ldvarg47 = tmp___25 [L5103] tmp___26 = __VERIFIER_nondet_int() [L5104] ldvarg39 = tmp___26 [L5105] tmp___27 = __VERIFIER_nondet_int() [L5106] ldvarg20 = tmp___27 [L5107] tmp___28 = __VERIFIER_nondet_int() [L5108] ldvarg31 = tmp___28 [L5109] tmp___29 = __VERIFIER_nondet_int() [L5110] ldvarg41 = tmp___29 [L5111] tmp___30 = __VERIFIER_nondet_int() [L5112] ldvarg3 = tmp___30 [L2530] void *p ; [L2531] void *tmp ; [L2532] int tmp___0 ; [L2534] tmp___0 = __VERIFIER_nondet_int() [L2535] COND TRUE tmp___0 != 0 [L2536] return ((void *)0); VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5113] tmp___31 = ldv_zalloc(1UL) [L5114] ldvarg8 = (char *)tmp___31 [L5115] tmp___32 = __VERIFIER_nondet_int() [L5116] ldvarg13 = tmp___32 [L5117] tmp___33 = __VERIFIER_nondet_int() [L5118] ldvarg36 = tmp___33 [L5119] tmp___34 = __VERIFIER_nondet_int() [L5120] ldvarg10 = tmp___34 [L5121] tmp___35 = __VERIFIER_nondet_int() [L5122] ldvarg40 = tmp___35 [L5123] tmp___36 = __VERIFIER_nondet_int() [L5124] ldvarg9 = tmp___36 [L5125] tmp___37 = __VERIFIER_nondet_int() [L5126] ldvarg45 = tmp___37 [L5127] tmp___38 = __VERIFIER_nondet_int() [L5128] ldvarg26 = tmp___38 [L5129] tmp___39 = __VERIFIER_nondet_int() [L5130] ldvarg27 = tmp___39 [L5131] tmp___40 = __VERIFIER_nondet_int() [L5132] ldvarg15 = tmp___40 [L5133] tmp___41 = __VERIFIER_nondet_int() [L5134] ldvarg30 = tmp___41 [L5135] tmp___42 = __VERIFIER_nondet_int() [L5136] ldvarg21 = tmp___42 [L5137] tmp___43 = __VERIFIER_nondet_int() [L5138] ldvarg17 = tmp___43 [L5139] tmp___44 = __VERIFIER_nondet_int() [L5140] ldvarg25 = tmp___44 [L5141] tmp___45 = __VERIFIER_nondet_int() [L5142] ldvarg22 = tmp___45 [L5143] tmp___46 = __VERIFIER_nondet_int() [L5144] ldvarg19 = tmp___46 VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5146] ldv_state_variable_1 = 0 [L5147] ref_cnt = 0 [L5148] ldv_state_variable_0 = 1 VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5150] tmp___47 = __VERIFIER_nondet_int() [L5152] case 0: [L5351] case 1: VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5352] COND TRUE ldv_state_variable_0 != 0 [L5353] tmp___49 = __VERIFIER_nondet_int() [L5355] case 0: [L5363] case 1: VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5364] COND TRUE ldv_state_variable_0 == 1 [L4908] int tmp ; [L4911] COND FALSE !(io != -1) VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L4920] return (0); VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5365] ldv_retval_1 = init_opl3() [L5366] COND TRUE ldv_retval_1 == 0 [L5367] ldv_state_variable_0 = 3 [L5368] ldv_state_variable_1 = 1 VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5371] COND FALSE !(ldv_retval_1 != 0) VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5150] tmp___47 = __VERIFIER_nondet_int() [L5152] case 0: VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5153] COND TRUE ldv_state_variable_1 != 0 [L5154] tmp___48 = __VERIFIER_nondet_int() [L5156] case 0: [L5168] case 1: [L5180] case 2: [L5191] case 3: [L5203] case 4: [L5215] case 5: [L5227] case 6: [L5239] case 7: [L5251] case 8: [L5263] case 9: [L5275] case 10: [L5282] case 11: [L5294] case 12: [L5306] case 13: VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L5307] COND TRUE ldv_state_variable_1 == 1 [L3438] struct sbi_instrument ins ; [L3439] unsigned long tmp ; [L3440] int tmp___0 ; VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L3442] COND FALSE !((unsigned int )count <= 39U) [L5439] unsigned long tmp ; [L5481] COND FALSE !(n >= 0L) VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] [L2565] reach_error() VAL [__this_module={2695:2693}, detected_model=0, devc={0:0}, fm_volume_table={157:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, me=0, opl3_operations={165:0}, pv_map={161:0}, ref_cnt=0] - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 2565]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2786 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 5817.5ms, OverallIterations: 3, TraceHistogramMax: 2, EmptinessCheckTime: 17.2ms, AutomataDifference: 638.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 11511 SDtfs, 4199 SDslu, 7514 SDs, 0 SdLazy, 111 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 255.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2987occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 253.1ms AutomataMinimizationTime, 2 MinimizatonAttempts, 2768 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 53.9ms SsaConstructionTime, 2396.6ms SatisfiabilityAnalysisTime, 363.9ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2021-08-26 18:51:43,512 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...