./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 35987657 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-?-3598765 [2022-07-21 10:50:19,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:50:19,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:50:19,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:50:19,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:50:19,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:50:19,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:50:19,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:50:19,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:50:19,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:50:19,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:50:19,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:50:19,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:50:19,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:50:19,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:50:19,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:50:19,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:50:19,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:50:19,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:50:19,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:50:19,130 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:50:19,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:50:19,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:50:19,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:50:19,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:50:19,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:50:19,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:50:19,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:50:19,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:50:19,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:50:19,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:50:19,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:50:19,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:50:19,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:50:19,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:50:19,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:50:19,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:50:19,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:50:19,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:50:19,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:50:19,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:50:19,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:50:19,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 10:50:19,177 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:50:19,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:50:19,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:50:19,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:50:19,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:50:19,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:50:19,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:50:19,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:50:19,181 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:50:19,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:50:19,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 10:50:19,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:50:19,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:50:19,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:50:19,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:50:19,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:50:19,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:50:19,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:50:19,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:50:19,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:50:19,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:50:19,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:50:19,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:50:19,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:50:19,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:50:19,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 10:50:19,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 10:50:19,185 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:50:19,185 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:50:19,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:50:19,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c71c8ad72880cb84277e62b04a7d1e6999cf259f90883ecbd7f670c614450b6e [2022-07-21 10:50:19,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:50:19,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:50:19,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:50:19,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:50:19,538 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:50:19,539 INFO L432 ainManager$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 [2022-07-21 10:50:19,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b2dd4b3/1a4f3d381790400dad09913f06b52c79/FLAG9dffb496b [2022-07-21 10:50:20,329 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:50:20,329 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 [2022-07-21 10:50:20,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b2dd4b3/1a4f3d381790400dad09913f06b52c79/FLAG9dffb496b [2022-07-21 10:50:20,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b2dd4b3/1a4f3d381790400dad09913f06b52c79 [2022-07-21 10:50:20,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:50:20,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:50:20,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:50:20,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:50:20,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:50:20,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:50:20" (1/1) ... [2022-07-21 10:50:20,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1821041c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:20, skipping insertion in model container [2022-07-21 10:50:20,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:50:20" (1/1) ... [2022-07-21 10:50:20,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:50:21,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:50:22,913 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] [2022-07-21 10:50:22,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:50:22,975 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:50:23,313 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] [2022-07-21 10:50:23,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:50:23,469 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:50:23,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23 WrapperNode [2022-07-21 10:50:23,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:50:23,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:50:23,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:50:23,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:50:23,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23" (1/1) ... [2022-07-21 10:50:23,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23" (1/1) ... [2022-07-21 10:50:23,652 INFO L137 Inliner]: procedures = 448, calls = 3142, calls flagged for inlining = 108, calls inlined = 6, statements flattened = 279 [2022-07-21 10:50:23,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:50:23,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:50:23,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:50:23,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:50:23,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23" (1/1) ... [2022-07-21 10:50:23,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23" (1/1) ... [2022-07-21 10:50:23,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23" (1/1) ... [2022-07-21 10:50:23,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23" (1/1) ... [2022-07-21 10:50:23,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23" (1/1) ... [2022-07-21 10:50:23,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23" (1/1) ... [2022-07-21 10:50:23,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23" (1/1) ... [2022-07-21 10:50:23,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:50:23,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:50:23,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:50:23,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:50:23,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23" (1/1) ... [2022-07-21 10:50:23,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:50:23,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:50:23,740 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) [2022-07-21 10:50:23,761 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 [2022-07-21 10:50:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-21 10:50:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-21 10:50:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:50:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:50:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure index_prepare_for_write [2022-07-21 10:50:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure index_prepare_for_write [2022-07-21 10:50:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure index_check [2022-07-21 10:50:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure index_check [2022-07-21 10:50:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-21 10:50:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-21 10:50:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 10:50:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:50:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:50:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-21 10:50:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-21 10:50:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:50:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:50:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:50:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:50:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bufio_get_block_number [2022-07-21 10:50:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bufio_get_block_number [2022-07-21 10:50:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-21 10:50:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-21 10:50:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure to_buffer [2022-07-21 10:50:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure to_buffer [2022-07-21 10:50:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:50:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-21 10:50:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-21 10:50:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-21 10:50:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-21 10:50:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_check [2022-07-21 10:50:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_check [2022-07-21 10:50:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 10:50:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_prepare_for_write [2022-07-21 10:50:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_prepare_for_write [2022-07-21 10:50:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 10:50:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 10:50:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 10:50:24,064 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:50:24,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:50:24,402 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:50:24,408 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:50:24,408 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 10:50:24,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:50:24 BoogieIcfgContainer [2022-07-21 10:50:24,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:50:24,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:50:24,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:50:24,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:50:24,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:50:20" (1/3) ... [2022-07-21 10:50:24,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d35618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:50:24, skipping insertion in model container [2022-07-21 10:50:24,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:23" (2/3) ... [2022-07-21 10:50:24,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d35618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:50:24, skipping insertion in model container [2022-07-21 10:50:24,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:50:24" (3/3) ... [2022-07-21 10:50:24,417 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2022-07-21 10:50:24,448 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:50:24,449 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:50:24,487 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:50:24,493 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@5af39026, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@284ce051 [2022-07-21 10:50:24,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:50:24,498 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) [2022-07-21 10:50:24,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-21 10:50:24,520 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:50:24,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:50:24,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:50:24,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:50:24,526 INFO L85 PathProgramCache]: Analyzing trace with hash -797928523, now seen corresponding path program 1 times [2022-07-21 10:50:24,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:50:24,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246907519] [2022-07-21 10:50:24,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:50:24,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:50:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:50:24,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 10:50:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:50:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:50:24,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:50:24,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246907519] [2022-07-21 10:50:24,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246907519] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:50:24,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:50:24,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:50:24,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795722381] [2022-07-21 10:50:24,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:50:24,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:50:24,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:50:24,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:50:24,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:50:24,971 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) [2022-07-21 10:50:25,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:50:25,222 INFO L93 Difference]: Finished difference Result 265 states and 347 transitions. [2022-07-21 10:50:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 10:50:25,225 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 [2022-07-21 10:50:25,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:50:25,237 INFO L225 Difference]: With dead ends: 265 [2022-07-21 10:50:25,237 INFO L226 Difference]: Without dead ends: 128 [2022-07-21 10:50:25,246 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 [2022-07-21 10:50:25,250 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 [2022-07-21 10:50:25,251 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] [2022-07-21 10:50:25,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-07-21 10:50:25,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2022-07-21 10:50:25,304 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) [2022-07-21 10:50:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 160 transitions. [2022-07-21 10:50:25,308 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 160 transitions. Word has length 12 [2022-07-21 10:50:25,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:50:25,309 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 160 transitions. [2022-07-21 10:50:25,309 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) [2022-07-21 10:50:25,309 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 160 transitions. [2022-07-21 10:50:25,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-21 10:50:25,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:50:25,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:50:25,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 10:50:25,311 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:50:25,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:50:25,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1033838797, now seen corresponding path program 1 times [2022-07-21 10:50:25,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:50:25,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125100799] [2022-07-21 10:50:25,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:50:25,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:50:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:50:25,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 10:50:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:50:25,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:50:25,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:50:25,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125100799] [2022-07-21 10:50:25,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125100799] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:50:25,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:50:25,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:50:25,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798191965] [2022-07-21 10:50:25,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:50:25,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:50:25,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:50:25,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:50:25,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:50:25,428 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) [2022-07-21 10:50:25,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:50:25,612 INFO L93 Difference]: Finished difference Result 128 states and 160 transitions. [2022-07-21 10:50:25,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 10:50:25,613 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 [2022-07-21 10:50:25,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:50:25,614 INFO L225 Difference]: With dead ends: 128 [2022-07-21 10:50:25,614 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 10:50:25,615 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 [2022-07-21 10:50:25,616 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 10:50:25,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 147 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 10:50:25,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 10:50:25,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 10:50:25,617 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) [2022-07-21 10:50:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 10:50:25,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-07-21 10:50:25,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:50:25,618 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 10:50:25,618 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) [2022-07-21 10:50:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 10:50:25,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 10:50:25,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 10:50:25,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 10:50:25,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 10:50:25,848 INFO L902 garLoopResultBuilder]: At program point index_checkENTRY(lines 5903 5941) the Hoare annotation is: true [2022-07-21 10:50:25,849 INFO L902 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: true [2022-07-21 10:50:25,849 INFO L899 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2022-07-21 10:50:25,849 INFO L902 garLoopResultBuilder]: At program point L5915(line 5915) the Hoare annotation is: true [2022-07-21 10:50:25,849 INFO L899 garLoopResultBuilder]: For program point L5915-1(line 5915) no Hoare annotation was computed. [2022-07-21 10:50:25,849 INFO L902 garLoopResultBuilder]: At program point L5917(line 5917) the Hoare annotation is: true [2022-07-21 10:50:25,850 INFO L899 garLoopResultBuilder]: For program point L5917-1(line 5917) no Hoare annotation was computed. [2022-07-21 10:50:25,850 INFO L902 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: true [2022-07-21 10:50:25,850 INFO L899 garLoopResultBuilder]: For program point L5913-1(line 5913) no Hoare annotation was computed. [2022-07-21 10:50:25,850 INFO L902 garLoopResultBuilder]: At program point L5930(line 5930) the Hoare annotation is: true [2022-07-21 10:50:25,850 INFO L899 garLoopResultBuilder]: For program point L5930-1(line 5930) no Hoare annotation was computed. [2022-07-21 10:50:25,850 INFO L899 garLoopResultBuilder]: For program point L5918(lines 5918 5923) no Hoare annotation was computed. [2022-07-21 10:50:25,851 INFO L899 garLoopResultBuilder]: For program point L5916(lines 5916 5926) no Hoare annotation was computed. [2022-07-21 10:50:25,851 INFO L899 garLoopResultBuilder]: For program point L5918-2(lines 5918 5923) no Hoare annotation was computed. [2022-07-21 10:50:25,851 INFO L899 garLoopResultBuilder]: For program point index_checkEXIT(lines 5903 5941) no Hoare annotation was computed. [2022-07-21 10:50:25,851 INFO L899 garLoopResultBuilder]: For program point L5931(lines 5931 5935) no Hoare annotation was computed. [2022-07-21 10:50:25,851 INFO L902 garLoopResultBuilder]: At program point L5927(lines 5927 5928) the Hoare annotation is: true [2022-07-21 10:50:25,851 INFO L899 garLoopResultBuilder]: For program point index_checkFINAL(lines 5903 5941) no Hoare annotation was computed. [2022-07-21 10:50:25,852 INFO L899 garLoopResultBuilder]: For program point L5927-1(lines 5927 5928) no Hoare annotation was computed. [2022-07-21 10:50:25,852 INFO L899 garLoopResultBuilder]: For program point L5929(lines 5929 5938) no Hoare annotation was computed. [2022-07-21 10:50:25,852 INFO L899 garLoopResultBuilder]: For program point L5931-2(lines 5931 5935) no Hoare annotation was computed. [2022-07-21 10:50:25,852 INFO L902 garLoopResultBuilder]: At program point dm_bufio_get_block_numberENTRY(lines 11636 11638) the Hoare annotation is: true [2022-07-21 10:50:25,852 INFO L899 garLoopResultBuilder]: For program point dm_bufio_get_block_numberFINAL(lines 11636 11638) no Hoare annotation was computed. [2022-07-21 10:50:25,852 INFO L899 garLoopResultBuilder]: For program point dm_bufio_get_block_numberEXIT(lines 11636 11638) no Hoare annotation was computed. [2022-07-21 10:50:25,853 INFO L899 garLoopResultBuilder]: For program point dm_block_dataFINAL(lines 5366 5375) no Hoare annotation was computed. [2022-07-21 10:50:25,853 INFO L902 garLoopResultBuilder]: At program point L5371(line 5371) the Hoare annotation is: true [2022-07-21 10:50:25,853 INFO L899 garLoopResultBuilder]: For program point L11633-1(line 11633) no Hoare annotation was computed. [2022-07-21 10:50:25,853 INFO L899 garLoopResultBuilder]: For program point L5371-1(line 5371) no Hoare annotation was computed. [2022-07-21 10:50:25,853 INFO L902 garLoopResultBuilder]: At program point L11633(line 11633) the Hoare annotation is: true [2022-07-21 10:50:25,853 INFO L899 garLoopResultBuilder]: For program point dm_block_dataEXIT(lines 5366 5375) no Hoare annotation was computed. [2022-07-21 10:50:25,854 INFO L902 garLoopResultBuilder]: At program point L11633-2(lines 11632 11634) the Hoare annotation is: true [2022-07-21 10:50:25,854 INFO L902 garLoopResultBuilder]: At program point dm_block_dataENTRY(lines 5366 5375) the Hoare annotation is: true [2022-07-21 10:50:25,854 INFO L902 garLoopResultBuilder]: At program point dm_bm_checksumENTRY(lines 5773 5780) the Hoare annotation is: true [2022-07-21 10:50:25,854 INFO L899 garLoopResultBuilder]: For program point dm_bm_checksumFINAL(lines 5773 5780) no Hoare annotation was computed. [2022-07-21 10:50:25,854 INFO L899 garLoopResultBuilder]: For program point dm_bm_checksumEXIT(lines 5773 5780) no Hoare annotation was computed. [2022-07-21 10:50:25,855 INFO L902 garLoopResultBuilder]: At program point L11618(lines 11617 11619) the Hoare annotation is: true [2022-07-21 10:50:25,855 INFO L899 garLoopResultBuilder]: For program point index_prepare_for_writeEXIT(lines 5889 5902) no Hoare annotation was computed. [2022-07-21 10:50:25,855 INFO L902 garLoopResultBuilder]: At program point L5898(lines 5898 5899) the Hoare annotation is: true [2022-07-21 10:50:25,855 INFO L902 garLoopResultBuilder]: At program point index_prepare_for_writeENTRY(lines 5889 5902) the Hoare annotation is: true [2022-07-21 10:50:25,855 INFO L899 garLoopResultBuilder]: For program point index_prepare_for_writeFINAL(lines 5889 5902) no Hoare annotation was computed. [2022-07-21 10:50:25,855 INFO L902 garLoopResultBuilder]: At program point L5895(line 5895) the Hoare annotation is: true [2022-07-21 10:50:25,856 INFO L899 garLoopResultBuilder]: For program point L5895-1(line 5895) no Hoare annotation was computed. [2022-07-21 10:50:25,856 INFO L902 garLoopResultBuilder]: At program point L5897(line 5897) the Hoare annotation is: true [2022-07-21 10:50:25,856 INFO L899 garLoopResultBuilder]: For program point L5898-1(lines 5898 5899) no Hoare annotation was computed. [2022-07-21 10:50:25,856 INFO L899 garLoopResultBuilder]: For program point L5897-1(line 5897) no Hoare annotation was computed. [2022-07-21 10:50:25,856 INFO L899 garLoopResultBuilder]: For program point ldv_handler_precallEXIT(lines 11666 11668) no Hoare annotation was computed. [2022-07-21 10:50:25,856 INFO L902 garLoopResultBuilder]: At program point ldv_handler_precallFINAL(lines 11666 11668) the Hoare annotation is: true [2022-07-21 10:50:25,857 INFO L902 garLoopResultBuilder]: At program point L5951(line 5951) the Hoare annotation is: true [2022-07-21 10:50:25,857 INFO L899 garLoopResultBuilder]: For program point L5952-1(lines 5952 5953) no Hoare annotation was computed. [2022-07-21 10:50:25,857 INFO L899 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2022-07-21 10:50:25,857 INFO L902 garLoopResultBuilder]: At program point bitmap_prepare_for_writeENTRY(lines 5943 5956) the Hoare annotation is: true [2022-07-21 10:50:25,857 INFO L902 garLoopResultBuilder]: At program point L5952(lines 5952 5953) the Hoare annotation is: true [2022-07-21 10:50:25,857 INFO L902 garLoopResultBuilder]: At program point L5949(line 5949) the Hoare annotation is: true [2022-07-21 10:50:25,858 INFO L899 garLoopResultBuilder]: For program point L5949-1(line 5949) no Hoare annotation was computed. [2022-07-21 10:50:25,858 INFO L899 garLoopResultBuilder]: For program point bitmap_prepare_for_writeFINAL(lines 5943 5956) no Hoare annotation was computed. [2022-07-21 10:50:25,858 INFO L899 garLoopResultBuilder]: For program point bitmap_prepare_for_writeEXIT(lines 5943 5956) no Hoare annotation was computed. [2022-07-21 10:50:25,858 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 4859 4868) the Hoare annotation is: true [2022-07-21 10:50:25,858 INFO L899 garLoopResultBuilder]: For program point L4861(lines 4861 4867) no Hoare annotation was computed. [2022-07-21 10:50:25,858 INFO L902 garLoopResultBuilder]: At program point L4857(lines 4855 4858) the Hoare annotation is: true [2022-07-21 10:50:25,859 INFO L899 garLoopResultBuilder]: For program point L4851(lines 4851 4853) no Hoare annotation was computed. [2022-07-21 10:50:25,859 INFO L899 garLoopResultBuilder]: For program point L4852(line 4852) no Hoare annotation was computed. [2022-07-21 10:50:25,859 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 4859 4868) no Hoare annotation was computed. [2022-07-21 10:50:25,859 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 4859 4868) no Hoare annotation was computed. [2022-07-21 10:50:25,859 INFO L902 garLoopResultBuilder]: At program point L5361(line 5361) the Hoare annotation is: true [2022-07-21 10:50:25,859 INFO L899 garLoopResultBuilder]: For program point L5362-1(line 5362) no Hoare annotation was computed. [2022-07-21 10:50:25,860 INFO L899 garLoopResultBuilder]: For program point dm_block_locationEXIT(lines 5356 5365) no Hoare annotation was computed. [2022-07-21 10:50:25,860 INFO L899 garLoopResultBuilder]: For program point L5361-1(line 5361) no Hoare annotation was computed. [2022-07-21 10:50:25,860 INFO L902 garLoopResultBuilder]: At program point dm_block_locationENTRY(lines 5356 5365) the Hoare annotation is: true [2022-07-21 10:50:25,860 INFO L899 garLoopResultBuilder]: For program point dm_block_locationFINAL(lines 5356 5365) no Hoare annotation was computed. [2022-07-21 10:50:25,860 INFO L902 garLoopResultBuilder]: At program point L5362(line 5362) the Hoare annotation is: true [2022-07-21 10:50:25,860 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 11348 11353) no Hoare annotation was computed. [2022-07-21 10:50:25,861 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 11348 11353) the Hoare annotation is: true [2022-07-21 10:50:25,861 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11351) no Hoare annotation was computed. [2022-07-21 10:50:25,861 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 11348 11353) no Hoare annotation was computed. [2022-07-21 10:50:25,861 INFO L899 garLoopResultBuilder]: For program point to_bufferEXIT(lines 5350 5355) no Hoare annotation was computed. [2022-07-21 10:50:25,861 INFO L902 garLoopResultBuilder]: At program point to_bufferENTRY(lines 5350 5355) the Hoare annotation is: true [2022-07-21 10:50:25,862 INFO L899 garLoopResultBuilder]: For program point to_bufferFINAL(lines 5350 5355) no Hoare annotation was computed. [2022-07-21 10:50:25,862 INFO L902 garLoopResultBuilder]: At program point ldv_check_final_stateENTRY(lines 11583 11596) the Hoare annotation is: true [2022-07-21 10:50:25,862 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))) [2022-07-21 10:50:25,862 INFO L899 garLoopResultBuilder]: For program point L11588-1(lines 11585 11595) no Hoare annotation was computed. [2022-07-21 10:50:25,862 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))) [2022-07-21 10:50:25,862 INFO L899 garLoopResultBuilder]: For program point ldv_check_final_stateEXIT(lines 11583 11596) no Hoare annotation was computed. [2022-07-21 10:50:25,863 INFO L899 garLoopResultBuilder]: For program point L11592-1(lines 11583 11596) no Hoare annotation was computed. [2022-07-21 10:50:25,863 INFO L899 garLoopResultBuilder]: For program point L6782(line 6782) no Hoare annotation was computed. [2022-07-21 10:50:25,863 INFO L895 garLoopResultBuilder]: At program point L6803(lines 6759 6805) the Hoare annotation is: (= ~ldv_mutex_lock~0 1) [2022-07-21 10:50:25,863 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)) [2022-07-21 10:50:25,863 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)) [2022-07-21 10:50:25,864 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 10:50:25,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 10:50:25,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 10:50:25,864 INFO L899 garLoopResultBuilder]: For program point L6775(lines 6775 6794) no Hoare annotation was computed. [2022-07-21 10:50:25,864 INFO L902 garLoopResultBuilder]: At program point L6771(line 6771) the Hoare annotation is: true [2022-07-21 10:50:25,864 INFO L899 garLoopResultBuilder]: For program point L6792(line 6792) no Hoare annotation was computed. [2022-07-21 10:50:25,865 INFO L899 garLoopResultBuilder]: For program point L6788(line 6788) no Hoare annotation was computed. [2022-07-21 10:50:25,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 10:50:25,865 INFO L899 garLoopResultBuilder]: For program point L6784(line 6784) no Hoare annotation was computed. [2022-07-21 10:50:25,865 INFO L899 garLoopResultBuilder]: For program point L6780(line 6780) no Hoare annotation was computed. [2022-07-21 10:50:25,865 INFO L899 garLoopResultBuilder]: For program point L6776(line 6776) no Hoare annotation was computed. [2022-07-21 10:50:25,865 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)) [2022-07-21 10:50:25,866 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)) [2022-07-21 10:50:25,866 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)) [2022-07-21 10:50:25,866 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)) [2022-07-21 10:50:25,866 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)) [2022-07-21 10:50:25,866 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)) [2022-07-21 10:50:25,866 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)) [2022-07-21 10:50:25,867 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)) [2022-07-21 10:50:25,867 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)) [2022-07-21 10:50:25,867 INFO L899 garLoopResultBuilder]: For program point L6798(lines 6798 6801) no Hoare annotation was computed. [2022-07-21 10:50:25,867 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-07-21 10:50:25,867 INFO L899 garLoopResultBuilder]: For program point L6790(line 6790) no Hoare annotation was computed. [2022-07-21 10:50:25,868 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)|)) [2022-07-21 10:50:25,868 INFO L899 garLoopResultBuilder]: For program point ldv_initializeFINAL(lines 11575 11582) no Hoare annotation was computed. [2022-07-21 10:50:25,868 INFO L899 garLoopResultBuilder]: For program point ldv_initializeEXIT(lines 11575 11582) no Hoare annotation was computed. [2022-07-21 10:50:25,868 INFO L899 garLoopResultBuilder]: For program point ___ratelimitEXIT(lines 11598 11600) no Hoare annotation was computed. [2022-07-21 10:50:25,868 INFO L902 garLoopResultBuilder]: At program point ___ratelimitENTRY(lines 11598 11600) the Hoare annotation is: true [2022-07-21 10:50:25,868 INFO L899 garLoopResultBuilder]: For program point ___ratelimitFINAL(lines 11598 11600) no Hoare annotation was computed. [2022-07-21 10:50:25,868 INFO L899 garLoopResultBuilder]: For program point L5983(lines 5983 5992) no Hoare annotation was computed. [2022-07-21 10:50:25,869 INFO L899 garLoopResultBuilder]: For program point L5985-2(lines 5985 5989) no Hoare annotation was computed. [2022-07-21 10:50:25,869 INFO L899 garLoopResultBuilder]: For program point L5985(lines 5985 5989) no Hoare annotation was computed. [2022-07-21 10:50:25,869 INFO L902 garLoopResultBuilder]: At program point L5981(lines 5981 5982) the Hoare annotation is: true [2022-07-21 10:50:25,869 INFO L899 garLoopResultBuilder]: For program point L5981-1(lines 5981 5982) no Hoare annotation was computed. [2022-07-21 10:50:25,869 INFO L902 garLoopResultBuilder]: At program point L5971(line 5971) the Hoare annotation is: true [2022-07-21 10:50:25,869 INFO L902 garLoopResultBuilder]: At program point bitmap_checkENTRY(lines 5957 5995) the Hoare annotation is: true [2022-07-21 10:50:25,870 INFO L899 garLoopResultBuilder]: For program point L5971-1(line 5971) no Hoare annotation was computed. [2022-07-21 10:50:25,870 INFO L902 garLoopResultBuilder]: At program point L5973(line 5973) the Hoare annotation is: true [2022-07-21 10:50:25,870 INFO L899 garLoopResultBuilder]: For program point L5973-1(line 5973) no Hoare annotation was computed. [2022-07-21 10:50:25,870 INFO L902 garLoopResultBuilder]: At program point L5967(line 5967) the Hoare annotation is: true [2022-07-21 10:50:25,870 INFO L899 garLoopResultBuilder]: For program point L5967-1(line 5967) no Hoare annotation was computed. [2022-07-21 10:50:25,870 INFO L902 garLoopResultBuilder]: At program point L5969(line 5969) the Hoare annotation is: true [2022-07-21 10:50:25,871 INFO L899 garLoopResultBuilder]: For program point L5969-1(line 5969) no Hoare annotation was computed. [2022-07-21 10:50:25,871 INFO L899 garLoopResultBuilder]: For program point L5984-1(line 5984) no Hoare annotation was computed. [2022-07-21 10:50:25,871 INFO L899 garLoopResultBuilder]: For program point bitmap_checkEXIT(lines 5957 5995) no Hoare annotation was computed. [2022-07-21 10:50:25,871 INFO L902 garLoopResultBuilder]: At program point L5984(line 5984) the Hoare annotation is: true [2022-07-21 10:50:25,871 INFO L899 garLoopResultBuilder]: For program point L5970(lines 5970 5980) no Hoare annotation was computed. [2022-07-21 10:50:25,871 INFO L899 garLoopResultBuilder]: For program point L5972-2(lines 5972 5977) no Hoare annotation was computed. [2022-07-21 10:50:25,872 INFO L899 garLoopResultBuilder]: For program point L5972(lines 5972 5977) no Hoare annotation was computed. [2022-07-21 10:50:25,872 INFO L899 garLoopResultBuilder]: For program point bitmap_checkFINAL(lines 5957 5995) no Hoare annotation was computed. [2022-07-21 10:50:25,874 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-21 10:50:25,876 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 10:50:25,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:50:25 BoogieIcfgContainer [2022-07-21 10:50:25,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 10:50:25,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 10:50:25,887 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 10:50:25,887 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 10:50:25,888 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:50:24" (3/4) ... [2022-07-21 10:50:25,890 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 10:50:25,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure index_check [2022-07-21 10:50:25,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_bufio_get_block_number [2022-07-21 10:50:25,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_data [2022-07-21 10:50:25,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_bm_checksum [2022-07-21 10:50:25,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure index_prepare_for_write [2022-07-21 10:50:25,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2022-07-21 10:50:25,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_prepare_for_write [2022-07-21 10:50:25,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-07-21 10:50:25,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_location [2022-07-21 10:50:25,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-07-21 10:50:25,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure to_buffer [2022-07-21 10:50:25,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2022-07-21 10:50:25,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2022-07-21 10:50:25,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ___ratelimit [2022-07-21 10:50:25,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_check [2022-07-21 10:50:25,905 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2022-07-21 10:50:25,905 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-07-21 10:50:25,906 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-07-21 10:50:25,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 10:50:25,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-21 10:50:25,908 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 10:50:25,908 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 10:50:25,968 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 10:50:25,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 10:50:25,969 INFO L158 Benchmark]: Toolchain (without parser) took 5068.37ms. Allocated memory was 62.9MB in the beginning and 201.3MB in the end (delta: 138.4MB). Free memory was 32.0MB in the beginning and 88.0MB in the end (delta: -56.0MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2022-07-21 10:50:25,969 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:50:25,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2567.60ms. Allocated memory was 62.9MB in the beginning and 134.2MB in the end (delta: 71.3MB). Free memory was 31.9MB in the beginning and 68.3MB in the end (delta: -36.4MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2022-07-21 10:50:25,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 181.50ms. Allocated memory is still 134.2MB. Free memory was 68.3MB in the beginning and 59.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 10:50:25,970 INFO L158 Benchmark]: Boogie Preprocessor took 53.59ms. Allocated memory is still 134.2MB. Free memory was 59.4MB in the beginning and 55.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 10:50:25,970 INFO L158 Benchmark]: RCFGBuilder took 701.15ms. Allocated memory is still 134.2MB. Free memory was 55.2MB in the beginning and 43.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 10:50:25,971 INFO L158 Benchmark]: TraceAbstraction took 1474.90ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 42.7MB in the beginning and 96.4MB in the end (delta: -53.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-07-21 10:50:25,971 INFO L158 Benchmark]: Witness Printer took 81.29ms. Allocated memory is still 201.3MB. Free memory was 96.4MB in the beginning and 88.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 10:50:25,973 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 62.9MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2567.60ms. Allocated memory was 62.9MB in the beginning and 134.2MB in the end (delta: 71.3MB). Free memory was 31.9MB in the beginning and 68.3MB in the end (delta: -36.4MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 181.50ms. Allocated memory is still 134.2MB. Free memory was 68.3MB in the beginning and 59.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.59ms. Allocated memory is still 134.2MB. Free memory was 59.4MB in the beginning and 55.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 701.15ms. Allocated memory is still 134.2MB. Free memory was 55.2MB in the beginning and 43.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1474.90ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 42.7MB in the beginning and 96.4MB in the end (delta: -53.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Witness Printer took 81.29ms. Allocated memory is still 201.3MB. Free memory was 96.4MB in the beginning and 88.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 1.4s, 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, 0.3s 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, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s 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! [2022-07-21 10:50:26,007 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE