./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.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 c71c8ad72880cb84277e62b04a7d1e6999cf259f90883ecbd7f670c614450b6e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 23:56:24,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:56:24,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:56:24,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:56:24,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:56:24,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:56:24,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:56:24,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:56:24,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:56:24,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:56:24,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:56:24,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:56:24,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:56:24,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:56:24,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:56:24,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:56:24,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:56:24,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:56:24,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:56:24,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:56:24,333 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:56:24,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:56:24,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:56:24,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:56:24,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:56:24,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:56:24,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:56:24,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:56:24,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:56:24,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:56:24,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:56:24,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:56:24,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:56:24,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:56:24,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:56:24,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:56:24,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:56:24,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:56:24,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:56:24,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:56:24,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:56:24,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:56:24,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:56:24,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:56:24,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:56:24,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:56:24,360 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:56:24,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:56:24,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:56:24,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:56:24,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:56:24,362 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:56:24,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:56:24,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:56:24,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:56:24,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:56:24,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:56:24,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:56:24,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:56:24,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:56:24,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:56:24,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:56:24,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:56:24,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:56:24,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:56:24,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:56:24,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:56:24,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:56:24,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:56:24,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:56:24,365 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:56:24,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:56:24,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:56:24,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c71c8ad72880cb84277e62b04a7d1e6999cf259f90883ecbd7f670c614450b6e [2022-07-13 23:56:24,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:56:24,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:56:24,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:56:24,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:56:24,567 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:56:24,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2022-07-13 23:56:24,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb06527a/b585e299ee82466482fbe081fb2b7757/FLAG45b2b495e [2022-07-13 23:56:25,419 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:56:25,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2022-07-13 23:56:25,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb06527a/b585e299ee82466482fbe081fb2b7757/FLAG45b2b495e [2022-07-13 23:56:25,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb06527a/b585e299ee82466482fbe081fb2b7757 [2022-07-13 23:56:25,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:56:25,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:56:25,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:56:25,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:56:25,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:56:25,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:56:25" (1/1) ... [2022-07-13 23:56:25,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63487ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:25, skipping insertion in model container [2022-07-13 23:56:25,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:56:25" (1/1) ... [2022-07-13 23:56:25,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:56:25,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:56:28,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i[314638,314651] [2022-07-13 23:56:28,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:56:28,172 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:56:28,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i[314638,314651] [2022-07-13 23:56:28,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:56:28,590 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:56:28,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28 WrapperNode [2022-07-13 23:56:28,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:56:28,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:56:28,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:56:28,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:56:28,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28" (1/1) ... [2022-07-13 23:56:28,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28" (1/1) ... [2022-07-13 23:56:28,766 INFO L137 Inliner]: procedures = 448, calls = 3142, calls flagged for inlining = 108, calls inlined = 6, statements flattened = 279 [2022-07-13 23:56:28,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:56:28,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:56:28,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:56:28,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:56:28,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28" (1/1) ... [2022-07-13 23:56:28,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28" (1/1) ... [2022-07-13 23:56:28,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28" (1/1) ... [2022-07-13 23:56:28,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28" (1/1) ... [2022-07-13 23:56:28,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28" (1/1) ... [2022-07-13 23:56:28,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28" (1/1) ... [2022-07-13 23:56:28,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28" (1/1) ... [2022-07-13 23:56:28,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:56:28,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:56:28,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:56:28,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:56:28,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28" (1/1) ... [2022-07-13 23:56:28,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:56:28,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:56:28,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 23:56:28,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 23:56:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-13 23:56:28,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-13 23:56:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:56:28,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:56:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure index_prepare_for_write [2022-07-13 23:56:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure index_prepare_for_write [2022-07-13 23:56:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure index_check [2022-07-13 23:56:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure index_check [2022-07-13 23:56:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-13 23:56:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-13 23:56:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 23:56:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:56:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:56:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-13 23:56:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-13 23:56:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:56:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:56:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:56:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:56:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bufio_get_block_number [2022-07-13 23:56:28,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bufio_get_block_number [2022-07-13 23:56:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-13 23:56:28,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-13 23:56:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure to_buffer [2022-07-13 23:56:28,897 INFO L138 BoogieDeclarations]: Found implementation of procedure to_buffer [2022-07-13 23:56:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:56:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-13 23:56:28,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-13 23:56:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-13 23:56:28,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-13 23:56:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_check [2022-07-13 23:56:28,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_check [2022-07-13 23:56:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 23:56:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_prepare_for_write [2022-07-13 23:56:28,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_prepare_for_write [2022-07-13 23:56:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 23:56:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-13 23:56:28,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-13 23:56:29,151 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:56:29,152 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:56:29,399 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:56:29,405 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:56:29,405 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 23:56:29,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:56:29 BoogieIcfgContainer [2022-07-13 23:56:29,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:56:29,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:56:29,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:56:29,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:56:29,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:56:25" (1/3) ... [2022-07-13 23:56:29,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7ccae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:56:29, skipping insertion in model container [2022-07-13 23:56:29,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:56:28" (2/3) ... [2022-07-13 23:56:29,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7ccae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:56:29, skipping insertion in model container [2022-07-13 23:56:29,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:56:29" (3/3) ... [2022-07-13 23:56:29,413 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2022-07-13 23:56:29,423 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:56:29,423 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:56:29,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:56:29,462 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4b1850db, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@74bccc21 [2022-07-13 23:56:29,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:56:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 86 states have (on average 1.2209302325581395) internal successors, (105), 92 states have internal predecessors, (105), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2022-07-13 23:56:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-13 23:56:29,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:56:29,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:56:29,473 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:56:29,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:56:29,477 INFO L85 PathProgramCache]: Analyzing trace with hash -797928523, now seen corresponding path program 1 times [2022-07-13 23:56:29,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:56:29,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003533448] [2022-07-13 23:56:29,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:56:29,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:56:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:56:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:56:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:56:29,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:56:29,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:56:29,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003533448] [2022-07-13 23:56:29,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003533448] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:56:29,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:56:29,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:56:29,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862402746] [2022-07-13 23:56:29,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:56:29,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:56:29,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:56:29,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:56:29,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:56:29,856 INFO L87 Difference]: Start difference. First operand has 137 states, 86 states have (on average 1.2209302325581395) internal successors, (105), 92 states have internal predecessors, (105), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:56:30,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:56:30,095 INFO L93 Difference]: Finished difference Result 265 states and 347 transitions. [2022-07-13 23:56:30,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:56:30,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-07-13 23:56:30,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:56:30,107 INFO L225 Difference]: With dead ends: 265 [2022-07-13 23:56:30,108 INFO L226 Difference]: Without dead ends: 128 [2022-07-13 23:56:30,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:56:30,118 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 180 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 23:56:30,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 156 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 23:56:30,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-07-13 23:56:30,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2022-07-13 23:56:30,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 81 states have (on average 1.1851851851851851) internal successors, (96), 84 states have internal predecessors, (96), 33 states have call successors, (33), 15 states have call predecessors, (33), 13 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 23:56:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 160 transitions. [2022-07-13 23:56:30,166 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 160 transitions. Word has length 12 [2022-07-13 23:56:30,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:56:30,167 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 160 transitions. [2022-07-13 23:56:30,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:56:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 160 transitions. [2022-07-13 23:56:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-13 23:56:30,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:56:30,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:56:30,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 23:56:30,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:56:30,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:56:30,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1033838797, now seen corresponding path program 1 times [2022-07-13 23:56:30,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:56:30,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308992507] [2022-07-13 23:56:30,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:56:30,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:56:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:56:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:56:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:56:30,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:56:30,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:56:30,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308992507] [2022-07-13 23:56:30,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308992507] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:56:30,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:56:30,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:56:30,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752316488] [2022-07-13 23:56:30,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:56:30,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:56:30,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:56:30,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:56:30,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:56:30,307 INFO L87 Difference]: Start difference. First operand 128 states and 160 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:56:30,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:56:30,467 INFO L93 Difference]: Finished difference Result 128 states and 160 transitions. [2022-07-13 23:56:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:56:30,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-07-13 23:56:30,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:56:30,469 INFO L225 Difference]: With dead ends: 128 [2022-07-13 23:56:30,469 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 23:56:30,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:56:30,470 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 168 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:56:30,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 147 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:56:30,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 23:56:30,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 23:56:30,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-07-13 23:56:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 23:56:30,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-07-13 23:56:30,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:56:30,472 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 23:56:30,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 23:56:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 23:56:30,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 23:56:30,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 23:56:30,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 23:56:30,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 23:56:30,677 INFO L902 garLoopResultBuilder]: At program point index_checkENTRY(lines 5903 5941) the Hoare annotation is: true [2022-07-13 23:56:30,677 INFO L902 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: true [2022-07-13 23:56:30,677 INFO L899 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2022-07-13 23:56:30,677 INFO L902 garLoopResultBuilder]: At program point L5915(line 5915) the Hoare annotation is: true [2022-07-13 23:56:30,678 INFO L899 garLoopResultBuilder]: For program point L5915-1(line 5915) no Hoare annotation was computed. [2022-07-13 23:56:30,678 INFO L902 garLoopResultBuilder]: At program point L5917(line 5917) the Hoare annotation is: true [2022-07-13 23:56:30,678 INFO L899 garLoopResultBuilder]: For program point L5917-1(line 5917) no Hoare annotation was computed. [2022-07-13 23:56:30,678 INFO L902 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: true [2022-07-13 23:56:30,678 INFO L899 garLoopResultBuilder]: For program point L5913-1(line 5913) no Hoare annotation was computed. [2022-07-13 23:56:30,678 INFO L902 garLoopResultBuilder]: At program point L5930(line 5930) the Hoare annotation is: true [2022-07-13 23:56:30,678 INFO L899 garLoopResultBuilder]: For program point L5930-1(line 5930) no Hoare annotation was computed. [2022-07-13 23:56:30,679 INFO L899 garLoopResultBuilder]: For program point L5918(lines 5918 5923) no Hoare annotation was computed. [2022-07-13 23:56:30,679 INFO L899 garLoopResultBuilder]: For program point L5916(lines 5916 5926) no Hoare annotation was computed. [2022-07-13 23:56:30,679 INFO L899 garLoopResultBuilder]: For program point L5918-2(lines 5918 5923) no Hoare annotation was computed. [2022-07-13 23:56:30,679 INFO L899 garLoopResultBuilder]: For program point index_checkEXIT(lines 5903 5941) no Hoare annotation was computed. [2022-07-13 23:56:30,680 INFO L899 garLoopResultBuilder]: For program point L5931(lines 5931 5935) no Hoare annotation was computed. [2022-07-13 23:56:30,680 INFO L902 garLoopResultBuilder]: At program point L5927(lines 5927 5928) the Hoare annotation is: true [2022-07-13 23:56:30,680 INFO L899 garLoopResultBuilder]: For program point index_checkFINAL(lines 5903 5941) no Hoare annotation was computed. [2022-07-13 23:56:30,680 INFO L899 garLoopResultBuilder]: For program point L5927-1(lines 5927 5928) no Hoare annotation was computed. [2022-07-13 23:56:30,680 INFO L899 garLoopResultBuilder]: For program point L5929(lines 5929 5938) no Hoare annotation was computed. [2022-07-13 23:56:30,680 INFO L899 garLoopResultBuilder]: For program point L5931-2(lines 5931 5935) no Hoare annotation was computed. [2022-07-13 23:56:30,680 INFO L902 garLoopResultBuilder]: At program point dm_bufio_get_block_numberENTRY(lines 11636 11638) the Hoare annotation is: true [2022-07-13 23:56:30,681 INFO L899 garLoopResultBuilder]: For program point dm_bufio_get_block_numberFINAL(lines 11636 11638) no Hoare annotation was computed. [2022-07-13 23:56:30,681 INFO L899 garLoopResultBuilder]: For program point dm_bufio_get_block_numberEXIT(lines 11636 11638) no Hoare annotation was computed. [2022-07-13 23:56:30,681 INFO L899 garLoopResultBuilder]: For program point dm_block_dataFINAL(lines 5366 5375) no Hoare annotation was computed. [2022-07-13 23:56:30,681 INFO L902 garLoopResultBuilder]: At program point L5371(line 5371) the Hoare annotation is: true [2022-07-13 23:56:30,681 INFO L899 garLoopResultBuilder]: For program point L11633-1(line 11633) no Hoare annotation was computed. [2022-07-13 23:56:30,681 INFO L899 garLoopResultBuilder]: For program point L5371-1(line 5371) no Hoare annotation was computed. [2022-07-13 23:56:30,682 INFO L902 garLoopResultBuilder]: At program point L11633(line 11633) the Hoare annotation is: true [2022-07-13 23:56:30,682 INFO L899 garLoopResultBuilder]: For program point dm_block_dataEXIT(lines 5366 5375) no Hoare annotation was computed. [2022-07-13 23:56:30,682 INFO L902 garLoopResultBuilder]: At program point L11633-2(lines 11632 11634) the Hoare annotation is: true [2022-07-13 23:56:30,682 INFO L902 garLoopResultBuilder]: At program point dm_block_dataENTRY(lines 5366 5375) the Hoare annotation is: true [2022-07-13 23:56:30,684 INFO L902 garLoopResultBuilder]: At program point dm_bm_checksumENTRY(lines 5773 5780) the Hoare annotation is: true [2022-07-13 23:56:30,685 INFO L899 garLoopResultBuilder]: For program point dm_bm_checksumFINAL(lines 5773 5780) no Hoare annotation was computed. [2022-07-13 23:56:30,685 INFO L899 garLoopResultBuilder]: For program point dm_bm_checksumEXIT(lines 5773 5780) no Hoare annotation was computed. [2022-07-13 23:56:30,685 INFO L902 garLoopResultBuilder]: At program point L11618(lines 11617 11619) the Hoare annotation is: true [2022-07-13 23:56:30,685 INFO L899 garLoopResultBuilder]: For program point index_prepare_for_writeEXIT(lines 5889 5902) no Hoare annotation was computed. [2022-07-13 23:56:30,685 INFO L902 garLoopResultBuilder]: At program point L5898(lines 5898 5899) the Hoare annotation is: true [2022-07-13 23:56:30,685 INFO L902 garLoopResultBuilder]: At program point index_prepare_for_writeENTRY(lines 5889 5902) the Hoare annotation is: true [2022-07-13 23:56:30,685 INFO L899 garLoopResultBuilder]: For program point index_prepare_for_writeFINAL(lines 5889 5902) no Hoare annotation was computed. [2022-07-13 23:56:30,686 INFO L902 garLoopResultBuilder]: At program point L5895(line 5895) the Hoare annotation is: true [2022-07-13 23:56:30,686 INFO L899 garLoopResultBuilder]: For program point L5895-1(line 5895) no Hoare annotation was computed. [2022-07-13 23:56:30,686 INFO L902 garLoopResultBuilder]: At program point L5897(line 5897) the Hoare annotation is: true [2022-07-13 23:56:30,686 INFO L899 garLoopResultBuilder]: For program point L5898-1(lines 5898 5899) no Hoare annotation was computed. [2022-07-13 23:56:30,686 INFO L899 garLoopResultBuilder]: For program point L5897-1(line 5897) no Hoare annotation was computed. [2022-07-13 23:56:30,686 INFO L899 garLoopResultBuilder]: For program point ldv_handler_precallEXIT(lines 11666 11668) no Hoare annotation was computed. [2022-07-13 23:56:30,686 INFO L902 garLoopResultBuilder]: At program point ldv_handler_precallFINAL(lines 11666 11668) the Hoare annotation is: true [2022-07-13 23:56:30,687 INFO L902 garLoopResultBuilder]: At program point L5951(line 5951) the Hoare annotation is: true [2022-07-13 23:56:30,687 INFO L899 garLoopResultBuilder]: For program point L5952-1(lines 5952 5953) no Hoare annotation was computed. [2022-07-13 23:56:30,687 INFO L899 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2022-07-13 23:56:30,687 INFO L902 garLoopResultBuilder]: At program point bitmap_prepare_for_writeENTRY(lines 5943 5956) the Hoare annotation is: true [2022-07-13 23:56:30,688 INFO L902 garLoopResultBuilder]: At program point L5952(lines 5952 5953) the Hoare annotation is: true [2022-07-13 23:56:30,688 INFO L902 garLoopResultBuilder]: At program point L5949(line 5949) the Hoare annotation is: true [2022-07-13 23:56:30,688 INFO L899 garLoopResultBuilder]: For program point L5949-1(line 5949) no Hoare annotation was computed. [2022-07-13 23:56:30,688 INFO L899 garLoopResultBuilder]: For program point bitmap_prepare_for_writeFINAL(lines 5943 5956) no Hoare annotation was computed. [2022-07-13 23:56:30,688 INFO L899 garLoopResultBuilder]: For program point bitmap_prepare_for_writeEXIT(lines 5943 5956) no Hoare annotation was computed. [2022-07-13 23:56:30,688 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 4859 4868) the Hoare annotation is: true [2022-07-13 23:56:30,689 INFO L899 garLoopResultBuilder]: For program point L4861(lines 4861 4867) no Hoare annotation was computed. [2022-07-13 23:56:30,689 INFO L902 garLoopResultBuilder]: At program point L4857(lines 4855 4858) the Hoare annotation is: true [2022-07-13 23:56:30,689 INFO L899 garLoopResultBuilder]: For program point L4851(lines 4851 4853) no Hoare annotation was computed. [2022-07-13 23:56:30,689 INFO L899 garLoopResultBuilder]: For program point L4852(line 4852) no Hoare annotation was computed. [2022-07-13 23:56:30,689 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 4859 4868) no Hoare annotation was computed. [2022-07-13 23:56:30,689 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 4859 4868) no Hoare annotation was computed. [2022-07-13 23:56:30,689 INFO L902 garLoopResultBuilder]: At program point L5361(line 5361) the Hoare annotation is: true [2022-07-13 23:56:30,690 INFO L899 garLoopResultBuilder]: For program point L5362-1(line 5362) no Hoare annotation was computed. [2022-07-13 23:56:30,690 INFO L899 garLoopResultBuilder]: For program point dm_block_locationEXIT(lines 5356 5365) no Hoare annotation was computed. [2022-07-13 23:56:30,690 INFO L899 garLoopResultBuilder]: For program point L5361-1(line 5361) no Hoare annotation was computed. [2022-07-13 23:56:30,690 INFO L902 garLoopResultBuilder]: At program point dm_block_locationENTRY(lines 5356 5365) the Hoare annotation is: true [2022-07-13 23:56:30,690 INFO L899 garLoopResultBuilder]: For program point dm_block_locationFINAL(lines 5356 5365) no Hoare annotation was computed. [2022-07-13 23:56:30,690 INFO L902 garLoopResultBuilder]: At program point L5362(line 5362) the Hoare annotation is: true [2022-07-13 23:56:30,690 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 11348 11353) no Hoare annotation was computed. [2022-07-13 23:56:30,691 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 11348 11353) the Hoare annotation is: true [2022-07-13 23:56:30,691 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11351) no Hoare annotation was computed. [2022-07-13 23:56:30,692 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 11348 11353) no Hoare annotation was computed. [2022-07-13 23:56:30,692 INFO L899 garLoopResultBuilder]: For program point to_bufferEXIT(lines 5350 5355) no Hoare annotation was computed. [2022-07-13 23:56:30,692 INFO L902 garLoopResultBuilder]: At program point to_bufferENTRY(lines 5350 5355) the Hoare annotation is: true [2022-07-13 23:56:30,692 INFO L899 garLoopResultBuilder]: For program point to_bufferFINAL(lines 5350 5355) no Hoare annotation was computed. [2022-07-13 23:56:30,692 INFO L902 garLoopResultBuilder]: At program point ldv_check_final_stateENTRY(lines 11583 11596) the Hoare annotation is: true [2022-07-13 23:56:30,692 INFO L895 garLoopResultBuilder]: At program point L11588(line 11588) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2022-07-13 23:56:30,692 INFO L899 garLoopResultBuilder]: For program point L11588-1(lines 11585 11595) no Hoare annotation was computed. [2022-07-13 23:56:30,693 INFO L895 garLoopResultBuilder]: At program point L11592(line 11592) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2022-07-13 23:56:30,693 INFO L899 garLoopResultBuilder]: For program point ldv_check_final_stateEXIT(lines 11583 11596) no Hoare annotation was computed. [2022-07-13 23:56:30,693 INFO L899 garLoopResultBuilder]: For program point L11592-1(lines 11583 11596) no Hoare annotation was computed. [2022-07-13 23:56:30,693 INFO L899 garLoopResultBuilder]: For program point L6782(line 6782) no Hoare annotation was computed. [2022-07-13 23:56:30,693 INFO L895 garLoopResultBuilder]: At program point L6803(lines 6759 6805) the Hoare annotation is: (= ~ldv_mutex_lock~0 1) [2022-07-13 23:56:30,694 INFO L895 garLoopResultBuilder]: At program point L6799(lines 6769 6804) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-07-13 23:56:30,694 INFO L895 garLoopResultBuilder]: At program point L6795(lines 6769 6804) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-07-13 23:56:30,694 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 23:56:30,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 23:56:30,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 23:56:30,695 INFO L899 garLoopResultBuilder]: For program point L6775(lines 6775 6794) no Hoare annotation was computed. [2022-07-13 23:56:30,695 INFO L902 garLoopResultBuilder]: At program point L6771(line 6771) the Hoare annotation is: true [2022-07-13 23:56:30,698 INFO L899 garLoopResultBuilder]: For program point L6792(line 6792) no Hoare annotation was computed. [2022-07-13 23:56:30,698 INFO L899 garLoopResultBuilder]: For program point L6788(line 6788) no Hoare annotation was computed. [2022-07-13 23:56:30,699 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 23:56:30,699 INFO L899 garLoopResultBuilder]: For program point L6784(line 6784) no Hoare annotation was computed. [2022-07-13 23:56:30,701 INFO L899 garLoopResultBuilder]: For program point L6780(line 6780) no Hoare annotation was computed. [2022-07-13 23:56:30,701 INFO L899 garLoopResultBuilder]: For program point L6776(line 6776) no Hoare annotation was computed. [2022-07-13 23:56:30,701 INFO L895 garLoopResultBuilder]: At program point L6789-1(line 6789) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-07-13 23:56:30,701 INFO L895 garLoopResultBuilder]: At program point L6789(line 6789) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-07-13 23:56:30,702 INFO L895 garLoopResultBuilder]: At program point L6785-1(line 6785) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-07-13 23:56:30,705 INFO L895 garLoopResultBuilder]: At program point L6785(line 6785) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-07-13 23:56:30,705 INFO L895 garLoopResultBuilder]: At program point L6781-1(line 6781) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-07-13 23:56:30,705 INFO L895 garLoopResultBuilder]: At program point L6781(line 6781) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-07-13 23:56:30,705 INFO L895 garLoopResultBuilder]: At program point L6777-1(line 6777) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-07-13 23:56:30,705 INFO L895 garLoopResultBuilder]: At program point L6777(line 6777) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-07-13 23:56:30,706 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-07-13 23:56:30,706 INFO L899 garLoopResultBuilder]: For program point L6798(lines 6798 6801) no Hoare annotation was computed. [2022-07-13 23:56:30,706 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-07-13 23:56:30,706 INFO L899 garLoopResultBuilder]: For program point L6790(line 6790) no Hoare annotation was computed. [2022-07-13 23:56:30,706 INFO L895 garLoopResultBuilder]: At program point ldv_initializeENTRY(lines 11575 11582) the Hoare annotation is: (and (= |old(~ldv_mutex_mutex_of_device~0)| ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 |old(~ldv_mutex_lock~0)|)) [2022-07-13 23:56:30,706 INFO L899 garLoopResultBuilder]: For program point ldv_initializeFINAL(lines 11575 11582) no Hoare annotation was computed. [2022-07-13 23:56:30,706 INFO L899 garLoopResultBuilder]: For program point ldv_initializeEXIT(lines 11575 11582) no Hoare annotation was computed. [2022-07-13 23:56:30,707 INFO L899 garLoopResultBuilder]: For program point ___ratelimitEXIT(lines 11598 11600) no Hoare annotation was computed. [2022-07-13 23:56:30,707 INFO L902 garLoopResultBuilder]: At program point ___ratelimitENTRY(lines 11598 11600) the Hoare annotation is: true [2022-07-13 23:56:30,707 INFO L899 garLoopResultBuilder]: For program point ___ratelimitFINAL(lines 11598 11600) no Hoare annotation was computed. [2022-07-13 23:56:30,707 INFO L899 garLoopResultBuilder]: For program point L5983(lines 5983 5992) no Hoare annotation was computed. [2022-07-13 23:56:30,707 INFO L899 garLoopResultBuilder]: For program point L5985-2(lines 5985 5989) no Hoare annotation was computed. [2022-07-13 23:56:30,707 INFO L899 garLoopResultBuilder]: For program point L5985(lines 5985 5989) no Hoare annotation was computed. [2022-07-13 23:56:30,707 INFO L902 garLoopResultBuilder]: At program point L5981(lines 5981 5982) the Hoare annotation is: true [2022-07-13 23:56:30,707 INFO L899 garLoopResultBuilder]: For program point L5981-1(lines 5981 5982) no Hoare annotation was computed. [2022-07-13 23:56:30,707 INFO L902 garLoopResultBuilder]: At program point L5971(line 5971) the Hoare annotation is: true [2022-07-13 23:56:30,708 INFO L902 garLoopResultBuilder]: At program point bitmap_checkENTRY(lines 5957 5995) the Hoare annotation is: true [2022-07-13 23:56:30,708 INFO L899 garLoopResultBuilder]: For program point L5971-1(line 5971) no Hoare annotation was computed. [2022-07-13 23:56:30,708 INFO L902 garLoopResultBuilder]: At program point L5973(line 5973) the Hoare annotation is: true [2022-07-13 23:56:30,708 INFO L899 garLoopResultBuilder]: For program point L5973-1(line 5973) no Hoare annotation was computed. [2022-07-13 23:56:30,708 INFO L902 garLoopResultBuilder]: At program point L5967(line 5967) the Hoare annotation is: true [2022-07-13 23:56:30,708 INFO L899 garLoopResultBuilder]: For program point L5967-1(line 5967) no Hoare annotation was computed. [2022-07-13 23:56:30,708 INFO L902 garLoopResultBuilder]: At program point L5969(line 5969) the Hoare annotation is: true [2022-07-13 23:56:30,708 INFO L899 garLoopResultBuilder]: For program point L5969-1(line 5969) no Hoare annotation was computed. [2022-07-13 23:56:30,709 INFO L899 garLoopResultBuilder]: For program point L5984-1(line 5984) no Hoare annotation was computed. [2022-07-13 23:56:30,709 INFO L899 garLoopResultBuilder]: For program point bitmap_checkEXIT(lines 5957 5995) no Hoare annotation was computed. [2022-07-13 23:56:30,709 INFO L902 garLoopResultBuilder]: At program point L5984(line 5984) the Hoare annotation is: true [2022-07-13 23:56:30,709 INFO L899 garLoopResultBuilder]: For program point L5970(lines 5970 5980) no Hoare annotation was computed. [2022-07-13 23:56:30,709 INFO L899 garLoopResultBuilder]: For program point L5972-2(lines 5972 5977) no Hoare annotation was computed. [2022-07-13 23:56:30,709 INFO L899 garLoopResultBuilder]: For program point L5972(lines 5972 5977) no Hoare annotation was computed. [2022-07-13 23:56:30,709 INFO L899 garLoopResultBuilder]: For program point bitmap_checkFINAL(lines 5957 5995) no Hoare annotation was computed. [2022-07-13 23:56:30,712 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 23:56:30,713 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 23:56:30,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:56:30 BoogieIcfgContainer [2022-07-13 23:56:30,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 23:56:30,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 23:56:30,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 23:56:30,723 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 23:56:30,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:56:29" (3/4) ... [2022-07-13 23:56:30,726 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 23:56:30,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure index_check [2022-07-13 23:56:30,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_bufio_get_block_number [2022-07-13 23:56:30,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_data [2022-07-13 23:56:30,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_bm_checksum [2022-07-13 23:56:30,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure index_prepare_for_write [2022-07-13 23:56:30,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2022-07-13 23:56:30,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_prepare_for_write [2022-07-13 23:56:30,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-07-13 23:56:30,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_location [2022-07-13 23:56:30,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-07-13 23:56:30,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure to_buffer [2022-07-13 23:56:30,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2022-07-13 23:56:30,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2022-07-13 23:56:30,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ___ratelimit [2022-07-13 23:56:30,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_check [2022-07-13 23:56:30,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2022-07-13 23:56:30,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-07-13 23:56:30,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-07-13 23:56:30,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 23:56:30,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-13 23:56:30,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 23:56:30,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 23:56:30,792 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 23:56:30,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 23:56:30,793 INFO L158 Benchmark]: Toolchain (without parser) took 5150.64ms. Allocated memory was 127.9MB in the beginning and 262.1MB in the end (delta: 134.2MB). Free memory was 86.3MB in the beginning and 181.3MB in the end (delta: -95.0MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. [2022-07-13 23:56:30,793 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:56:30,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2946.71ms. Allocated memory was 127.9MB in the beginning and 182.5MB in the end (delta: 54.5MB). Free memory was 86.0MB in the beginning and 75.9MB in the end (delta: 10.1MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2022-07-13 23:56:30,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.85ms. Allocated memory was 182.5MB in the beginning and 262.1MB in the end (delta: 79.7MB). Free memory was 75.9MB in the beginning and 187.7MB in the end (delta: -111.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-07-13 23:56:30,793 INFO L158 Benchmark]: Boogie Preprocessor took 67.43ms. Allocated memory is still 262.1MB. Free memory was 187.7MB in the beginning and 183.8MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 23:56:30,793 INFO L158 Benchmark]: RCFGBuilder took 571.79ms. Allocated memory is still 262.1MB. Free memory was 183.8MB in the beginning and 148.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-07-13 23:56:30,793 INFO L158 Benchmark]: TraceAbstraction took 1314.25ms. Allocated memory is still 262.1MB. Free memory was 148.2MB in the beginning and 109.7MB in the end (delta: 38.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2022-07-13 23:56:30,794 INFO L158 Benchmark]: Witness Printer took 69.29ms. Allocated memory is still 262.1MB. Free memory was 109.7MB in the beginning and 181.3MB in the end (delta: -71.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 23:56:30,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2946.71ms. Allocated memory was 127.9MB in the beginning and 182.5MB in the end (delta: 54.5MB). Free memory was 86.0MB in the beginning and 75.9MB in the end (delta: 10.1MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.85ms. Allocated memory was 182.5MB in the beginning and 262.1MB in the end (delta: 79.7MB). Free memory was 75.9MB in the beginning and 187.7MB in the end (delta: -111.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.43ms. Allocated memory is still 262.1MB. Free memory was 187.7MB in the beginning and 183.8MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.79ms. Allocated memory is still 262.1MB. Free memory was 183.8MB in the beginning and 148.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1314.25ms. Allocated memory is still 262.1MB. Free memory was 148.2MB in the beginning and 109.7MB in the end (delta: 38.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Witness Printer took 69.29ms. Allocated memory is still 262.1MB. Free memory was 109.7MB in the beginning and 181.3MB in the end (delta: -71.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 11351]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 137 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 365 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 348 mSDsluCounter, 303 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 196 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 196 mSolverCounterUnsat, 258 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 177 PreInvPairs, 207 NumberOfFragments, 145 HoareAnnotationTreeSize, 177 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 55 FomulaSimplificationsInter, 570 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 61 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6769]: Loop Invariant Derived loop invariant: 1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1 - InvariantResult [Line: 6769]: Loop Invariant Derived loop invariant: 1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1 - InvariantResult [Line: 4855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6759]: Loop Invariant Derived loop invariant: ldv_mutex_lock == 1 RESULT: Ultimate proved your program to be correct! [2022-07-13 23:56:30,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE