./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 5fbdf5bf 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-wip.dd.seqcomp-5fbdf5b [2021-08-30 04:28:07,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 04:28:07,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 04:28:07,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 04:28:07,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 04:28:07,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 04:28:07,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 04:28:07,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 04:28:07,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 04:28:07,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 04:28:07,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 04:28:07,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 04:28:07,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 04:28:07,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 04:28:07,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 04:28:07,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 04:28:07,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 04:28:07,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 04:28:07,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 04:28:07,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 04:28:07,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 04:28:07,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 04:28:07,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 04:28:07,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 04:28:07,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 04:28:07,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 04:28:07,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 04:28:07,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 04:28:07,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 04:28:07,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 04:28:07,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 04:28:07,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 04:28:07,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 04:28:07,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 04:28:07,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 04:28:07,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 04:28:07,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 04:28:07,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 04:28:07,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 04:28:07,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 04:28:07,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 04:28:07,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-08-30 04:28:07,616 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 04:28:07,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 04:28:07,617 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 04:28:07,617 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 04:28:07,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 04:28:07,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 04:28:07,618 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 04:28:07,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 04:28:07,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 04:28:07,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 04:28:07,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-30 04:28:07,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 04:28:07,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-30 04:28:07,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-30 04:28:07,619 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 04:28:07,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-30 04:28:07,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 04:28:07,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 04:28:07,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 04:28:07,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 04:28:07,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 04:28:07,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 04:28:07,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-30 04:28:07,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 04:28:07,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 04:28:07,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-30 04:28:07,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 04:28:07,621 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b54d883eb9c7cf53df65640b3ba7697c930306d5 [2021-08-30 04:28:07,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 04:28:07,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 04:28:07,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 04:28:07,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 04:28:07,924 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 04:28:07,926 INFO L432 ainManager$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 [2021-08-30 04:28:07,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/136f398e8/2b4995e2e3a6432a9de0a26f6e056979/FLAG6710939e4 [2021-08-30 04:28:08,606 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 04:28:08,606 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 [2021-08-30 04:28:08,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/136f398e8/2b4995e2e3a6432a9de0a26f6e056979/FLAG6710939e4 [2021-08-30 04:28:08,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/136f398e8/2b4995e2e3a6432a9de0a26f6e056979 [2021-08-30 04:28:08,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 04:28:08,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-30 04:28:08,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 04:28:08,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 04:28:08,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 04:28:08,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:28:08" (1/1) ... [2021-08-30 04:28:08,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b4c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:08, skipping insertion in model container [2021-08-30 04:28:08,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:28:08" (1/1) ... [2021-08-30 04:28:08,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 04:28:09,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 04:28:09,378 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] [2021-08-30 04:28:09,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 04:28:09,781 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 04:28:09,844 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] [2021-08-30 04:28:09,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 04:28:10,048 INFO L208 MainTranslator]: Completed translation [2021-08-30 04:28:10,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10 WrapperNode [2021-08-30 04:28:10,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 04:28:10,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-30 04:28:10,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-30 04:28:10,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-30 04:28:10,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10" (1/1) ... [2021-08-30 04:28:10,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10" (1/1) ... [2021-08-30 04:28:10,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-30 04:28:10,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 04:28:10,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 04:28:10,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 04:28:10,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10" (1/1) ... [2021-08-30 04:28:10,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10" (1/1) ... [2021-08-30 04:28:10,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10" (1/1) ... [2021-08-30 04:28:10,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10" (1/1) ... [2021-08-30 04:28:10,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10" (1/1) ... [2021-08-30 04:28:10,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10" (1/1) ... [2021-08-30 04:28:10,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10" (1/1) ... [2021-08-30 04:28:10,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 04:28:10,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 04:28:10,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 04:28:10,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 04:28:10,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10" (1/1) ... [2021-08-30 04:28:10,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 04:28:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:28:10,970 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) [2021-08-30 04:28:10,994 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 [2021-08-30 04:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-08-30 04:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-30 04:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-30 04:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-30 04:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-30 04:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-30 04:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-30 04:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 04:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-30 04:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-30 04:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-30 04:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-30 04:28:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-08-30 04:28:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 04:28:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 04:28:14,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 04:28:14,320 INFO L299 CfgBuilder]: Removed 2415 assume(true) statements. [2021-08-30 04:28:14,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:28:14 BoogieIcfgContainer [2021-08-30 04:28:14,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 04:28:14,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 04:28:14,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 04:28:14,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 04:28:14,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 04:28:08" (1/3) ... [2021-08-30 04:28:14,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7e025a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:28:14, skipping insertion in model container [2021-08-30 04:28:14,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:28:10" (2/3) ... [2021-08-30 04:28:14,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7e025a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:28:14, skipping insertion in model container [2021-08-30 04:28:14,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:28:14" (3/3) ... [2021-08-30 04:28:14,332 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2021-08-30 04:28:14,336 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 04:28:14,336 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-08-30 04:28:14,384 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 04:28:14,390 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 [2021-08-30 04:28:14,390 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-08-30 04:28:14,441 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) [2021-08-30 04:28:14,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-30 04:28:14,451 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:28:14,452 INFO L513 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] [2021-08-30 04:28:14,452 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)] === [2021-08-30 04:28:14,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:28:14,456 INFO L82 PathProgramCache]: Analyzing trace with hash -905587788, now seen corresponding path program 1 times [2021-08-30 04:28:14,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:28:14,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60922025] [2021-08-30 04:28:14,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:28:14,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:28:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:28:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 04:28:15,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:28:15,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60922025] [2021-08-30 04:28:15,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60922025] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:28:15,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 04:28:15,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 04:28:15,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266850273] [2021-08-30 04:28:15,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:28:15,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:28:15,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:28:15,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 04:28:15,065 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) [2021-08-30 04:28:21,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:28:21,554 INFO L93 Difference]: Finished difference Result 5797 states and 8286 transitions. [2021-08-30 04:28:21,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:28:21,556 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 [2021-08-30 04:28:21,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:28:21,590 INFO L225 Difference]: With dead ends: 5797 [2021-08-30 04:28:21,590 INFO L226 Difference]: Without dead ends: 2987 [2021-08-30 04:28:21,601 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.04ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 04:28:21,607 INFO L928 BasicCegarLoop]: 3 mSDtfsCounter, 335 mSDsluCounter, 3837 mSDsCounter, 0 mSdLazyCounter, 7882 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5080.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 7884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.76ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6187.60ms IncrementalHoareTripleChecker+Time [2021-08-30 04:28:21,609 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 6 Invalid, 7884 Unknown, 0 Unchecked, 25.76ms Time], IncrementalHoareTripleChecker [2 Valid, 7882 Invalid, 0 Unknown, 0 Unchecked, 6187.60ms Time] [2021-08-30 04:28:21,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2021-08-30 04:28:21,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2987. [2021-08-30 04:28:21,734 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) [2021-08-30 04:28:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2987 states and 4228 transitions. [2021-08-30 04:28:21,744 INFO L78 Accepts]: Start accepts. Automaton has 2987 states and 4228 transitions. Word has length 23 [2021-08-30 04:28:21,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:28:21,744 INFO L470 AbstractCegarLoop]: Abstraction has 2987 states and 4228 transitions. [2021-08-30 04:28:21,744 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) [2021-08-30 04:28:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2987 states and 4228 transitions. [2021-08-30 04:28:21,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-30 04:28:21,746 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:28:21,746 INFO L513 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] [2021-08-30 04:28:21,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-30 04:28:21,747 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)] === [2021-08-30 04:28:21,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:28:21,747 INFO L82 PathProgramCache]: Analyzing trace with hash -242278306, now seen corresponding path program 1 times [2021-08-30 04:28:21,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:28:21,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41195791] [2021-08-30 04:28:21,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:28:21,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:28:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:28:22,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-30 04:28:22,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:28:22,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41195791] [2021-08-30 04:28:22,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41195791] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:28:22,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 04:28:22,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 04:28:22,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074294525] [2021-08-30 04:28:22,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:28:22,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:28:22,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:28:22,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 04:28:22,034 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) [2021-08-30 04:28:31,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:28:31,561 INFO L93 Difference]: Finished difference Result 5755 states and 8175 transitions. [2021-08-30 04:28:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:28:31,562 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 [2021-08-30 04:28:31,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:28:31,579 INFO L225 Difference]: With dead ends: 5755 [2021-08-30 04:28:31,579 INFO L226 Difference]: Without dead ends: 5731 [2021-08-30 04:28:31,581 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.76ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 04:28:31,582 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 3864 mSDsluCounter, 3677 mSDsCounter, 0 mSdLazyCounter, 11248 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7668.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3864 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 11272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.95ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 11248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9225.20ms IncrementalHoareTripleChecker+Time [2021-08-30 04:28:31,582 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [3864 Valid, 0 Invalid, 11272 Unknown, 0 Unchecked, 15.95ms Time], IncrementalHoareTripleChecker [24 Valid, 11248 Invalid, 0 Unknown, 0 Unchecked, 9225.20ms Time] [2021-08-30 04:28:31,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5731 states. [2021-08-30 04:28:31,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5731 to 2963. [2021-08-30 04:28:31,650 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) [2021-08-30 04:28:31,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 4204 transitions. [2021-08-30 04:28:31,659 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 4204 transitions. Word has length 35 [2021-08-30 04:28:31,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:28:31,660 INFO L470 AbstractCegarLoop]: Abstraction has 2963 states and 4204 transitions. [2021-08-30 04:28:31,660 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) [2021-08-30 04:28:31,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 4204 transitions. [2021-08-30 04:28:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-30 04:28:31,666 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:28:31,666 INFO L513 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] [2021-08-30 04:28:31,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-30 04:28:31,667 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)] === [2021-08-30 04:28:31,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:28:31,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1633730832, now seen corresponding path program 1 times [2021-08-30 04:28:31,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:28:31,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121187680] [2021-08-30 04:28:31,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:28:31,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:28:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 04:28:34,051 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-30 04:28:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 04:28:36,053 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-30 04:28:36,054 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-30 04:28:36,054 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (13 of 14 remaining) [2021-08-30 04:28:36,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 14 remaining) [2021-08-30 04:28:36,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (11 of 14 remaining) [2021-08-30 04:28:36,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (10 of 14 remaining) [2021-08-30 04:28:36,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (9 of 14 remaining) [2021-08-30 04:28:36,057 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (8 of 14 remaining) [2021-08-30 04:28:36,057 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (7 of 14 remaining) [2021-08-30 04:28:36,057 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (6 of 14 remaining) [2021-08-30 04:28:36,057 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (5 of 14 remaining) [2021-08-30 04:28:36,057 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (4 of 14 remaining) [2021-08-30 04:28:36,057 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (3 of 14 remaining) [2021-08-30 04:28:36,058 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (2 of 14 remaining) [2021-08-30 04:28:36,058 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (1 of 14 remaining) [2021-08-30 04:28:36,058 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (0 of 14 remaining) [2021-08-30 04:28:36,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-30 04:28:36,065 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 04:28:36,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 04:28:36 BoogieIcfgContainer [2021-08-30 04:28:36,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 04:28:36,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 04:28:36,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 04:28:36,215 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 04:28:36,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:28:14" (3/4) ... [2021-08-30 04:28:36,217 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-30 04:28:36,351 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-30 04:28:36,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 04:28:36,352 INFO L158 Benchmark]: Toolchain (without parser) took 27392.89ms. Allocated memory was 58.7MB in the beginning and 1.0GB in the end (delta: 977.3MB). Free memory was 29.6MB in the beginning and 507.7MB in the end (delta: -478.1MB). Peak memory consumption was 498.2MB. Max. memory is 16.1GB. [2021-08-30 04:28:36,352 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 04:28:36,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1087.72ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 29.5MB in the beginning and 47.6MB in the end (delta: -18.1MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2021-08-30 04:28:36,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 478.25ms. Allocated memory was 96.5MB in the beginning and 167.8MB in the end (delta: 71.3MB). Free memory was 47.6MB in the beginning and 82.2MB in the end (delta: -34.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-08-30 04:28:36,353 INFO L158 Benchmark]: Boogie Preprocessor took 413.27ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 82.2MB in the beginning and 231.0MB in the end (delta: -148.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-08-30 04:28:36,353 INFO L158 Benchmark]: RCFGBuilder took 3382.63ms. Allocated memory was 335.5MB in the beginning and 759.2MB in the end (delta: 423.6MB). Free memory was 231.0MB in the beginning and 521.7MB in the end (delta: -290.7MB). Peak memory consumption was 371.0MB. Max. memory is 16.1GB. [2021-08-30 04:28:36,353 INFO L158 Benchmark]: TraceAbstraction took 21886.89ms. Allocated memory was 759.2MB in the beginning and 1.0GB in the end (delta: 276.8MB). Free memory was 521.7MB in the beginning and 550.7MB in the end (delta: -29.0MB). Peak memory consumption was 507.8MB. Max. memory is 16.1GB. [2021-08-30 04:28:36,354 INFO L158 Benchmark]: Witness Printer took 137.04ms. Allocated memory is still 1.0GB. Free memory was 550.7MB in the beginning and 507.7MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-08-30 04:28:36,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1087.72ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 29.5MB in the beginning and 47.6MB in the end (delta: -18.1MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 478.25ms. Allocated memory was 96.5MB in the beginning and 167.8MB in the end (delta: 71.3MB). Free memory was 47.6MB in the beginning and 82.2MB in the end (delta: -34.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 413.27ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 82.2MB in the beginning and 231.0MB in the end (delta: -148.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3382.63ms. Allocated memory was 335.5MB in the beginning and 759.2MB in the end (delta: 423.6MB). Free memory was 231.0MB in the beginning and 521.7MB in the end (delta: -290.7MB). Peak memory consumption was 371.0MB. Max. memory is 16.1GB. * TraceAbstraction took 21886.89ms. Allocated memory was 759.2MB in the beginning and 1.0GB in the end (delta: 276.8MB). Free memory was 521.7MB in the beginning and 550.7MB in the end (delta: -29.0MB). Peak memory consumption was 507.8MB. Max. memory is 16.1GB. * Witness Printer took 137.04ms. Allocated memory is still 1.0GB. Free memory was 550.7MB in the beginning and 507.7MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms 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, 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(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={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: 21680.95ms, OverallIterations: 3, TraceHistogramMax: 2, EmptinessCheckTime: 27.98ms, AutomataDifference: 16124.02ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 40.13ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4199 SdHoareTripleChecker+Valid, 15412.80ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4199 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 12749.42ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7514 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19130 IncrementalHoareTripleChecker+Invalid, 19156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 3 mSDtfsCounter, 19130 mSolverCounterSat, 41.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.80ms Time, 0.00ms 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, 0.00ms DumpTime, AutomataMinimizationStatistics: 200.89ms AutomataMinimizationTime, 2 MinimizatonAttempts, 2768 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 71.93ms SsaConstructionTime, 2691.18ms SatisfiabilityAnalysisTime, 367.30ms 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! [2021-08-30 04:28:36,406 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...