./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 9a8b2e8d 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_1.3.100.v20150511-1540.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 bcbcfb30a420c9e4640dab8655ae96bf6d765a28 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-9a8b2e8 [2020-10-20 04:21:16,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 04:21:16,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 04:21:16,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 04:21:16,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 04:21:16,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 04:21:16,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 04:21:16,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 04:21:16,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 04:21:16,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 04:21:16,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 04:21:16,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 04:21:16,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 04:21:16,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 04:21:16,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 04:21:16,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 04:21:16,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 04:21:16,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 04:21:16,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 04:21:16,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 04:21:16,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 04:21:16,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 04:21:16,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 04:21:16,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 04:21:17,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 04:21:17,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 04:21:17,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 04:21:17,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 04:21:17,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 04:21:17,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 04:21:17,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 04:21:17,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 04:21:17,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 04:21:17,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 04:21:17,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 04:21:17,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 04:21:17,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 04:21:17,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 04:21:17,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 04:21:17,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 04:21:17,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 04:21:17,012 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-20 04:21:17,035 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 04:21:17,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 04:21:17,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 04:21:17,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 04:21:17,038 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 04:21:17,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 04:21:17,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 04:21:17,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 04:21:17,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 04:21:17,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 04:21:17,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 04:21:17,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 04:21:17,040 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 04:21:17,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 04:21:17,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 04:21:17,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 04:21:17,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 04:21:17,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 04:21:17,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 04:21:17,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 04:21:17,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 04:21:17,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 04:21:17,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 04:21:17,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 04:21:17,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 04:21:17,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 04:21:17,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 04:21:17,044 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> bcbcfb30a420c9e4640dab8655ae96bf6d765a28 [2020-10-20 04:21:17,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 04:21:17,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 04:21:17,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 04:21:17,283 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 04:21:17,283 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 04:21:17,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-20 04:21:17,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71f89acc/4fd3eb2e177e477d84558c5959323ba9/FLAG22361bbcd [2020-10-20 04:21:18,168 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 04:21:18,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-20 04:21:18,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71f89acc/4fd3eb2e177e477d84558c5959323ba9/FLAG22361bbcd [2020-10-20 04:21:18,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71f89acc/4fd3eb2e177e477d84558c5959323ba9 [2020-10-20 04:21:18,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 04:21:18,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 04:21:18,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 04:21:18,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 04:21:18,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 04:21:18,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:21:18" (1/1) ... [2020-10-20 04:21:18,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa0558f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:18, skipping insertion in model container [2020-10-20 04:21:18,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:21:18" (1/1) ... [2020-10-20 04:21:18,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 04:21:18,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 04:21:19,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 04:21:19,989 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 04:21:20,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 04:21:20,967 INFO L208 MainTranslator]: Completed translation [2020-10-20 04:21:20,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20 WrapperNode [2020-10-20 04:21:20,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 04:21:20,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 04:21:20,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 04:21:20,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 04:21:20,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20" (1/1) ... [2020-10-20 04:21:21,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20" (1/1) ... [2020-10-20 04:21:22,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 04:21:22,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 04:21:22,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 04:21:22,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 04:21:22,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20" (1/1) ... [2020-10-20 04:21:22,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20" (1/1) ... [2020-10-20 04:21:22,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20" (1/1) ... [2020-10-20 04:21:22,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20" (1/1) ... [2020-10-20 04:21:22,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20" (1/1) ... [2020-10-20 04:21:22,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20" (1/1) ... [2020-10-20 04:21:22,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20" (1/1) ... [2020-10-20 04:21:22,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 04:21:22,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 04:21:22,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 04:21:22,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 04:21:22,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 04:21:22,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-20 04:21:22,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 04:21:22,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 04:21:22,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 04:21:22,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 04:21:22,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 04:21:22,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 04:21:22,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 04:21:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 04:21:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 04:21:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 04:21:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 04:21:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-20 04:21:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 04:21:22,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 04:21:36,814 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 04:21:36,815 INFO L298 CfgBuilder]: Removed 2443 assume(true) statements. [2020-10-20 04:21:36,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 04:21:36 BoogieIcfgContainer [2020-10-20 04:21:36,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 04:21:36,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 04:21:36,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 04:21:36,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 04:21:36,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 04:21:18" (1/3) ... [2020-10-20 04:21:36,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529caae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 04:21:36, skipping insertion in model container [2020-10-20 04:21:36,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:21:20" (2/3) ... [2020-10-20 04:21:36,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529caae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 04:21:36, skipping insertion in model container [2020-10-20 04:21:36,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 04:21:36" (3/3) ... [2020-10-20 04:21:36,834 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-20 04:21:36,846 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 04:21:36,860 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2020-10-20 04:21:36,872 INFO L253 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-10-20 04:21:36,909 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 04:21:36,910 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 04:21:36,910 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 04:21:36,910 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 04:21:36,910 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 04:21:36,910 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 04:21:36,911 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 04:21:36,911 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 04:21:36,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states. [2020-10-20 04:21:36,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 04:21:36,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 04:21:36,978 INFO L422 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, 1, 1] [2020-10-20 04:21:36,979 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 04:21:36,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 04:21:36,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1608522709, now seen corresponding path program 1 times [2020-10-20 04:21:36,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 04:21:36,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379309661] [2020-10-20 04:21:36,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 04:21:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 04:21:38,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 04:21:38,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379309661] [2020-10-20 04:21:38,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 04:21:38,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 04:21:38,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578553317] [2020-10-20 04:21:38,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 04:21:38,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 04:21:38,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 04:21:38,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 04:21:38,402 INFO L87 Difference]: Start difference. First operand 2814 states. Second operand 3 states. [2020-10-20 04:21:39,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 04:21:39,731 INFO L93 Difference]: Finished difference Result 5853 states and 8370 transitions. [2020-10-20 04:21:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 04:21:39,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 04:21:39,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 04:21:39,771 INFO L225 Difference]: With dead ends: 5853 [2020-10-20 04:21:39,771 INFO L226 Difference]: Without dead ends: 3015 [2020-10-20 04:21:39,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 04:21:39,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2020-10-20 04:21:39,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 3015. [2020-10-20 04:21:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3015 states. [2020-10-20 04:21:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 3015 states and 4256 transitions. [2020-10-20 04:21:39,947 INFO L78 Accepts]: Start accepts. Automaton has 3015 states and 4256 transitions. Word has length 25 [2020-10-20 04:21:39,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 04:21:39,948 INFO L481 AbstractCegarLoop]: Abstraction has 3015 states and 4256 transitions. [2020-10-20 04:21:39,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 04:21:39,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 4256 transitions. [2020-10-20 04:21:39,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 04:21:39,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 04:21:39,957 INFO L422 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] [2020-10-20 04:21:39,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 04:21:39,958 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 04:21:39,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 04:21:39,959 INFO L82 PathProgramCache]: Analyzing trace with hash -570569311, now seen corresponding path program 1 times [2020-10-20 04:21:39,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 04:21:39,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569989518] [2020-10-20 04:21:39,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 04:21:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 04:21:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-20 04:21:40,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569989518] [2020-10-20 04:21:40,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 04:21:40,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 04:21:40,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310290643] [2020-10-20 04:21:40,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 04:21:40,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 04:21:40,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 04:21:40,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 04:21:40,461 INFO L87 Difference]: Start difference. First operand 3015 states and 4256 transitions. Second operand 3 states. [2020-10-20 04:21:40,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 04:21:40,903 INFO L93 Difference]: Finished difference Result 5783 states and 8203 transitions. [2020-10-20 04:21:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 04:21:40,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-10-20 04:21:40,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 04:21:40,943 INFO L225 Difference]: With dead ends: 5783 [2020-10-20 04:21:40,943 INFO L226 Difference]: Without dead ends: 5735 [2020-10-20 04:21:40,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 04:21:40,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5735 states. [2020-10-20 04:21:41,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5735 to 2967. [2020-10-20 04:21:41,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2967 states. [2020-10-20 04:21:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 4208 transitions. [2020-10-20 04:21:41,120 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 4208 transitions. Word has length 37 [2020-10-20 04:21:41,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 04:21:41,123 INFO L481 AbstractCegarLoop]: Abstraction has 2967 states and 4208 transitions. [2020-10-20 04:21:41,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 04:21:41,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 4208 transitions. [2020-10-20 04:21:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-20 04:21:41,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 04:21:41,132 INFO L422 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, 1, 1] [2020-10-20 04:21:41,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 04:21:41,137 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 04:21:41,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 04:21:41,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1578081969, now seen corresponding path program 1 times [2020-10-20 04:21:41,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 04:21:41,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045251057] [2020-10-20 04:21:41,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 04:21:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 04:21:44,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 04:21:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 04:21:49,647 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 04:21:50,361 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 04:21:50,362 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 04:21:50,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 04:21:50,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 04:21:50 BoogieIcfgContainer [2020-10-20 04:21:50,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 04:21:50,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 04:21:50,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 04:21:50,592 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 04:21:50,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 04:21:36" (3/4) ... [2020-10-20 04:21:50,595 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 04:21:50,909 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 04:21:50,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 04:21:50,912 INFO L168 Benchmark]: Toolchain (without parser) took 32182.64 ms. Allocated memory was 41.4 MB in the beginning and 329.3 MB in the end (delta: 287.8 MB). Free memory was 21.7 MB in the beginning and 121.5 MB in the end (delta: -99.8 MB). Peak memory consumption was 188.1 MB. Max. memory is 14.3 GB. [2020-10-20 04:21:50,914 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 30.9 MB. Free memory was 7.1 MB in the beginning and 7.0 MB in the end (delta: 46.0 kB). Peak memory consumption was 46.0 kB. Max. memory is 14.3 GB. [2020-10-20 04:21:50,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2229.28 ms. Allocated memory was 41.4 MB in the beginning and 77.1 MB in the end (delta: 35.7 MB). Free memory was 21.0 MB in the beginning and 21.1 MB in the end (delta: -121.9 kB). Peak memory consumption was 38.8 MB. Max. memory is 14.3 GB. [2020-10-20 04:21:50,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 1169.59 ms. Allocated memory was 77.1 MB in the beginning and 121.1 MB in the end (delta: 44.0 MB). Free memory was 21.1 MB in the beginning and 50.8 MB in the end (delta: -29.7 MB). Peak memory consumption was 42.6 MB. Max. memory is 14.3 GB. [2020-10-20 04:21:50,915 INFO L168 Benchmark]: Boogie Preprocessor took 635.07 ms. Allocated memory was 121.1 MB in the beginning and 122.7 MB in the end (delta: 1.6 MB). Free memory was 50.8 MB in the beginning and 25.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 37.5 MB. Max. memory is 14.3 GB. [2020-10-20 04:21:50,916 INFO L168 Benchmark]: RCFGBuilder took 14045.85 ms. Allocated memory was 122.7 MB in the beginning and 194.5 MB in the end (delta: 71.8 MB). Free memory was 25.6 MB in the beginning and 87.7 MB in the end (delta: -62.1 MB). Peak memory consumption was 94.3 MB. Max. memory is 14.3 GB. [2020-10-20 04:21:50,918 INFO L168 Benchmark]: TraceAbstraction took 13767.48 ms. Allocated memory was 194.5 MB in the beginning and 329.3 MB in the end (delta: 134.7 MB). Free memory was 86.2 MB in the beginning and 171.0 MB in the end (delta: -84.8 MB). Peak memory consumption was 170.9 MB. Max. memory is 14.3 GB. [2020-10-20 04:21:50,918 INFO L168 Benchmark]: Witness Printer took 318.54 ms. Allocated memory is still 329.3 MB. Free memory was 171.0 MB in the beginning and 121.5 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 14.3 GB. [2020-10-20 04:21:50,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 30.9 MB. Free memory was 7.1 MB in the beginning and 7.0 MB in the end (delta: 46.0 kB). Peak memory consumption was 46.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 2229.28 ms. Allocated memory was 41.4 MB in the beginning and 77.1 MB in the end (delta: 35.7 MB). Free memory was 21.0 MB in the beginning and 21.1 MB in the end (delta: -121.9 kB). Peak memory consumption was 38.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 1169.59 ms. Allocated memory was 77.1 MB in the beginning and 121.1 MB in the end (delta: 44.0 MB). Free memory was 21.1 MB in the beginning and 50.8 MB in the end (delta: -29.7 MB). Peak memory consumption was 42.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 635.07 ms. Allocated memory was 121.1 MB in the beginning and 122.7 MB in the end (delta: 1.6 MB). Free memory was 50.8 MB in the beginning and 25.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 37.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 14045.85 ms. Allocated memory was 122.7 MB in the beginning and 194.5 MB in the end (delta: 71.8 MB). Free memory was 25.6 MB in the beginning and 87.7 MB in the end (delta: -62.1 MB). Peak memory consumption was 94.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 13767.48 ms. Allocated memory was 194.5 MB in the beginning and 329.3 MB in the end (delta: 134.7 MB). Free memory was 86.2 MB in the beginning and 171.0 MB in the end (delta: -84.8 MB). Peak memory consumption was 170.9 MB. Max. memory is 14.3 GB. * Witness Printer took 318.54 ms. Allocated memory is still 329.3 MB. Free memory was 171.0 MB in the beginning and 121.5 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_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, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8}; [L3747-L4797] static struct synth_operations opl3_operations = {& __this_module, (char *)"OPL", (struct synth_info *)0, 0, 0, 0, & opl3_open, & opl3_close, & opl3_ioctl, & opl3_kill_note, & opl3_start_note, & opl3_set_instr, & opl3_reset, & opl3_hw_control, & opl3_load_patch, & opl3_aftertouch, & opl3_controller, & opl3_panning, & opl3_volume_method, & opl3_bender, & opl3_alloc_voice, & opl3_setup_voice, 0, {0, 0, 0, {(unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0}, 0, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, {{0, 0, 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 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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, (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={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, 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={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, 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={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, 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={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, 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={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, 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={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, ref_cnt=0] [L5146] ldv_state_variable_1 = 0 [L5147] ref_cnt = 0 [L5148] ldv_state_variable_0 = 1 VAL [__this_module={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, ref_cnt=0] [L5150] tmp___47 = __VERIFIER_nondet_int() [L5152] case 0: [L5351] case 1: VAL [__this_module={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, 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={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, ref_cnt=0] [L5364] COND TRUE ldv_state_variable_0 == 1 [L4908] int tmp ; [L4911] COND FALSE !(io != -1) VAL [__this_module={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, ref_cnt=0] [L4920] return (0); VAL [__this_module={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, 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={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, ref_cnt=0] [L5371] COND FALSE !(ldv_retval_1 != 0) VAL [__this_module={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, ref_cnt=0] [L5150] tmp___47 = __VERIFIER_nondet_int() [L5152] case 0: VAL [__this_module={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, 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={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, 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={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, ref_cnt=0] [L3442] COND FALSE !((unsigned int )count <= 39U) [L5439] unsigned long tmp ; [L5481] COND FALSE !(n >= 0L) VAL [__this_module={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, ref_cnt=0] [L12] COND FALSE !(0) VAL [__this_module={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, ref_cnt=0] [L12] __assert_fail ("0", "linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [__this_module={2693:2694}, detected_model=0, devc={0:0}, fm_volume_table={154:0}, 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={166:0}, pv_map={158:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2814 locations, 14 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11543 SDtfs, 4199 SDslu, 7546 SDs, 0 SdLazy, 111 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3015occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 2 MinimizatonAttempts, 2768 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 2088 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! Received shutdown request...