./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3_false-termination.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3_false-termination.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 22de7acfc5456577597680963b9f55269e428aa2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:00:01,556 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:00:01,557 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:00:01,564 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:00:01,564 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:00:01,565 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:00:01,565 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:00:01,566 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:00:01,567 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:00:01,568 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:00:01,569 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:00:01,569 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:00:01,570 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:00:01,570 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:00:01,571 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:00:01,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:00:01,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:00:01,573 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:00:01,574 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:00:01,575 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:00:01,576 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:00:01,577 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:00:01,578 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:00:01,578 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:00:01,578 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:00:01,579 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:00:01,580 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:00:01,581 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:00:01,581 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:00:01,582 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:00:01,582 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:00:01,583 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:00:01,583 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:00:01,583 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:00:01,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:00:01,584 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:00:01,584 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-18 17:00:01,594 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:00:01,595 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:00:01,595 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:00:01,595 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:00:01,595 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:00:01,596 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:00:01,596 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:00:01,596 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:00:01,596 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:00:01,596 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:00:01,596 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-18 17:00:01,596 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:00:01,596 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:00:01,597 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:00:01,597 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:00:01,597 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:00:01,597 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:00:01,597 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:00:01,598 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:00:01,598 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:00:01,598 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:00:01,598 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:00:01,598 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:00:01,598 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:00:01,598 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:00:01,598 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:00:01,599 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:00:01,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:00:01,599 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:00:01,599 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:00:01,599 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:00:01,599 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:00:01,599 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:00:01,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:00:01,600 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:00:01,600 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-18 17:00:01,600 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 22de7acfc5456577597680963b9f55269e428aa2 [2018-11-18 17:00:01,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:00:01,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:00:01,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:00:01,635 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:00:01,635 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:00:01,635 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/../../sv-benchmarks/c/ldv-consumption/linux-3_false-termination.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3_true-unreach-call.cil.out.c [2018-11-18 17:00:01,671 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/data/699fac600/caff653cd46249f993207a2d35ca94a8/FLAG480db4c72 [2018-11-18 17:00:02,291 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:00:02,291 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/sv-benchmarks/c/ldv-consumption/linux-3_false-termination.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3_true-unreach-call.cil.out.c [2018-11-18 17:00:02,316 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/data/699fac600/caff653cd46249f993207a2d35ca94a8/FLAG480db4c72 [2018-11-18 17:00:02,652 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/data/699fac600/caff653cd46249f993207a2d35ca94a8 [2018-11-18 17:00:02,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:00:02,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:00:02,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:00:02,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:00:02,659 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:00:02,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:00:02" (1/1) ... [2018-11-18 17:00:02,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6674da27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:02, skipping insertion in model container [2018-11-18 17:00:02,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:00:02" (1/1) ... [2018-11-18 17:00:02,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:00:02,781 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:00:05,612 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:00:05,630 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:00:06,120 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:00:06,786 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:00:06,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06 WrapperNode [2018-11-18 17:00:06,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:00:06,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:00:06,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:00:06,787 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:00:06,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06" (1/1) ... [2018-11-18 17:00:06,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06" (1/1) ... [2018-11-18 17:00:06,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:00:06,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:00:06,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:00:06,868 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:00:06,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06" (1/1) ... [2018-11-18 17:00:06,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06" (1/1) ... [2018-11-18 17:00:06,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06" (1/1) ... [2018-11-18 17:00:06,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06" (1/1) ... [2018-11-18 17:00:06,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06" (1/1) ... [2018-11-18 17:00:06,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06" (1/1) ... [2018-11-18 17:00:06,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06" (1/1) ... [2018-11-18 17:00:06,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:00:06,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:00:06,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:00:06,918 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:00:06,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:00:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2018-11-18 17:00:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2018-11-18 17:00:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure index_prepare_for_write [2018-11-18 17:00:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure index_prepare_for_write [2018-11-18 17:00:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bufio_get_block_data [2018-11-18 17:00:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure index_check [2018-11-18 17:00:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure index_check [2018-11-18 17:00:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure crc32c [2018-11-18 17:00:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 17:00:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:00:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-18 17:00:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-18 17:00:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:00:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:00:06,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:00:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 17:00:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2018-11-18 17:00:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:00:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:00:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-18 17:00:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-18 17:00:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bufio_get_block_number [2018-11-18 17:00:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2018-11-18 17:00:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2018-11-18 17:00:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:00:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:00:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure to_buffer [2018-11-18 17:00:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure to_buffer [2018-11-18 17:00:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2018-11-18 17:00:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2018-11-18 17:00:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2018-11-18 17:00:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_check [2018-11-18 17:00:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_check [2018-11-18 17:00:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:00:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_prepare_for_write [2018-11-18 17:00:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_prepare_for_write [2018-11-18 17:00:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-18 17:00:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-18 17:00:09,987 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:00:09,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:00:09 BoogieIcfgContainer [2018-11-18 17:00:09,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:00:09,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:00:09,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:00:09,990 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:00:09,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:00:02" (1/3) ... [2018-11-18 17:00:09,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18469d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:00:09, skipping insertion in model container [2018-11-18 17:00:09,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:06" (2/3) ... [2018-11-18 17:00:09,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18469d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:00:09, skipping insertion in model container [2018-11-18 17:00:09,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:00:09" (3/3) ... [2018-11-18 17:00:09,993 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3_false-termination.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3_true-unreach-call.cil.out.c [2018-11-18 17:00:09,999 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:00:10,004 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:00:10,012 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:00:10,033 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:00:10,034 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:00:10,034 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:00:10,034 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:00:10,034 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:00:10,034 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:00:10,034 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:00:10,034 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:00:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-11-18 17:00:10,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:00:10,051 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:00:10,052 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:00:10,054 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:00:10,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:00:10,058 INFO L82 PathProgramCache]: Analyzing trace with hash -397445859, now seen corresponding path program 1 times [2018-11-18 17:00:10,059 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:00:10,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:10,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:00:10,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:10,112 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:00:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:10,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:10,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:00:10,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:00:10,377 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:00:10,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:00:10,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:00:10,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:00:10,390 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 3 states. [2018-11-18 17:00:12,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:00:12,448 INFO L93 Difference]: Finished difference Result 120 states and 149 transitions. [2018-11-18 17:00:12,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:00:12,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-18 17:00:12,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:00:12,458 INFO L225 Difference]: With dead ends: 120 [2018-11-18 17:00:12,458 INFO L226 Difference]: Without dead ends: 99 [2018-11-18 17:00:12,461 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:00:12,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-18 17:00:12,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-18 17:00:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-18 17:00:12,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2018-11-18 17:00:12,492 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 16 [2018-11-18 17:00:12,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:00:12,492 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2018-11-18 17:00:12,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:00:12,493 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2018-11-18 17:00:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 17:00:12,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:00:12,493 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:00:12,494 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:00:12,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:00:12,494 INFO L82 PathProgramCache]: Analyzing trace with hash 563949732, now seen corresponding path program 1 times [2018-11-18 17:00:12,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:00:12,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:12,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:00:12,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:12,501 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:00:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:12,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:00:12,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:00:12,615 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:00:12,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:00:12,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:00:12,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:00:12,617 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand 3 states. [2018-11-18 17:00:14,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:00:14,653 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2018-11-18 17:00:14,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:00:14,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-11-18 17:00:14,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:00:14,661 INFO L225 Difference]: With dead ends: 99 [2018-11-18 17:00:14,661 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:00:14,663 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:00:14,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:00:14,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:00:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:00:14,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:00:14,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-11-18 17:00:14,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:00:14,664 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:00:14,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:00:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:00:14,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:00:14,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:00:14,850 INFO L428 ceAbstractionStarter]: At program point index_checkENTRY(lines 6172 6215) the Hoare annotation is: true [2018-11-18 17:00:14,850 INFO L425 ceAbstractionStarter]: For program point L6186(lines 6186 6198) no Hoare annotation was computed. [2018-11-18 17:00:14,850 INFO L425 ceAbstractionStarter]: For program point L6188-2(lines 6188 6194) no Hoare annotation was computed. [2018-11-18 17:00:14,851 INFO L425 ceAbstractionStarter]: For program point L6188(lines 6188 6194) no Hoare annotation was computed. [2018-11-18 17:00:14,851 INFO L425 ceAbstractionStarter]: For program point L6203(lines 6203 6208) no Hoare annotation was computed. [2018-11-18 17:00:14,851 INFO L428 ceAbstractionStarter]: At program point L6199(lines 6199 6200) the Hoare annotation is: true [2018-11-18 17:00:14,851 INFO L425 ceAbstractionStarter]: For program point L6199-1(lines 6199 6200) no Hoare annotation was computed. [2018-11-18 17:00:14,851 INFO L425 ceAbstractionStarter]: For program point L6201(lines 6201 6212) no Hoare annotation was computed. [2018-11-18 17:00:14,851 INFO L425 ceAbstractionStarter]: For program point L6203-2(lines 6203 6208) no Hoare annotation was computed. [2018-11-18 17:00:14,851 INFO L425 ceAbstractionStarter]: For program point index_checkEXIT(lines 6172 6215) no Hoare annotation was computed. [2018-11-18 17:00:14,851 INFO L428 ceAbstractionStarter]: At program point L6189(line 6189) the Hoare annotation is: true [2018-11-18 17:00:14,851 INFO L425 ceAbstractionStarter]: For program point L6189-1(line 6189) no Hoare annotation was computed. [2018-11-18 17:00:14,851 INFO L428 ceAbstractionStarter]: At program point L6183(line 6183) the Hoare annotation is: true [2018-11-18 17:00:14,852 INFO L425 ceAbstractionStarter]: For program point index_checkFINAL(lines 6172 6215) no Hoare annotation was computed. [2018-11-18 17:00:14,852 INFO L425 ceAbstractionStarter]: For program point L6183-1(line 6183) no Hoare annotation was computed. [2018-11-18 17:00:14,852 INFO L428 ceAbstractionStarter]: At program point L6185(line 6185) the Hoare annotation is: true [2018-11-18 17:00:14,852 INFO L425 ceAbstractionStarter]: For program point L6185-1(line 6185) no Hoare annotation was computed. [2018-11-18 17:00:14,852 INFO L425 ceAbstractionStarter]: For program point dm_block_dataFINAL(lines 5572 5582) no Hoare annotation was computed. [2018-11-18 17:00:14,852 INFO L428 ceAbstractionStarter]: At program point L5578(line 5578) the Hoare annotation is: true [2018-11-18 17:00:14,852 INFO L425 ceAbstractionStarter]: For program point dm_block_dataEXIT(lines 5572 5582) no Hoare annotation was computed. [2018-11-18 17:00:14,852 INFO L428 ceAbstractionStarter]: At program point dm_block_dataENTRY(lines 5572 5582) the Hoare annotation is: true [2018-11-18 17:00:14,852 INFO L425 ceAbstractionStarter]: For program point L5578-1(line 5578) no Hoare annotation was computed. [2018-11-18 17:00:14,852 INFO L428 ceAbstractionStarter]: At program point dm_bm_checksumENTRY(lines 6020 6028) the Hoare annotation is: true [2018-11-18 17:00:14,853 INFO L425 ceAbstractionStarter]: For program point dm_bm_checksumFINAL(lines 6020 6028) no Hoare annotation was computed. [2018-11-18 17:00:14,853 INFO L425 ceAbstractionStarter]: For program point dm_bm_checksumEXIT(lines 6020 6028) no Hoare annotation was computed. [2018-11-18 17:00:14,853 INFO L425 ceAbstractionStarter]: For program point L7170-1(line 7170) no Hoare annotation was computed. [2018-11-18 17:00:14,853 INFO L421 ceAbstractionStarter]: At program point L7164(lines 7134 7172) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 1) (= ~ldv_mutex_lock~0 1)) [2018-11-18 17:00:14,853 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 7123 7173) no Hoare annotation was computed. [2018-11-18 17:00:14,853 INFO L421 ceAbstractionStarter]: At program point L7160(lines 7134 7172) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 1) (= ~ldv_mutex_lock~0 1)) [2018-11-18 17:00:14,853 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 7123 7173) no Hoare annotation was computed. [2018-11-18 17:00:14,853 INFO L425 ceAbstractionStarter]: For program point L7140(lines 7140 7159) no Hoare annotation was computed. [2018-11-18 17:00:14,853 INFO L428 ceAbstractionStarter]: At program point L7136(line 7136) the Hoare annotation is: true [2018-11-18 17:00:14,854 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 7123 7173) the Hoare annotation is: true [2018-11-18 17:00:14,854 INFO L425 ceAbstractionStarter]: For program point L7163(lines 7163 7167) no Hoare annotation was computed. [2018-11-18 17:00:14,854 INFO L425 ceAbstractionStarter]: For program point L7155-1(line 7155) no Hoare annotation was computed. [2018-11-18 17:00:14,854 INFO L421 ceAbstractionStarter]: At program point L7155(line 7155) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 1) (= ~ldv_mutex_lock~0 1)) [2018-11-18 17:00:14,854 INFO L425 ceAbstractionStarter]: For program point L7157(line 7157) no Hoare annotation was computed. [2018-11-18 17:00:14,854 INFO L421 ceAbstractionStarter]: At program point L7151(line 7151) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 1) (= ~ldv_mutex_lock~0 1)) [2018-11-18 17:00:14,854 INFO L425 ceAbstractionStarter]: For program point L7153(line 7153) no Hoare annotation was computed. [2018-11-18 17:00:14,854 INFO L425 ceAbstractionStarter]: For program point L7147-1(line 7147) no Hoare annotation was computed. [2018-11-18 17:00:14,854 INFO L421 ceAbstractionStarter]: At program point L7147(line 7147) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 1) (= ~ldv_mutex_lock~0 1)) [2018-11-18 17:00:14,854 INFO L425 ceAbstractionStarter]: For program point L7149(line 7149) no Hoare annotation was computed. [2018-11-18 17:00:14,855 INFO L421 ceAbstractionStarter]: At program point L7143(line 7143) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 1) (= ~ldv_mutex_lock~0 1)) [2018-11-18 17:00:14,855 INFO L425 ceAbstractionStarter]: For program point L7145(line 7145) no Hoare annotation was computed. [2018-11-18 17:00:14,855 INFO L421 ceAbstractionStarter]: At program point L7170(line 7170) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 1) (= ~ldv_mutex_lock~0 1)) [2018-11-18 17:00:14,855 INFO L425 ceAbstractionStarter]: For program point L7141(line 7141) no Hoare annotation was computed. [2018-11-18 17:00:14,855 INFO L425 ceAbstractionStarter]: For program point index_prepare_for_writeEXIT(lines 6157 6171) no Hoare annotation was computed. [2018-11-18 17:00:14,855 INFO L428 ceAbstractionStarter]: At program point index_prepare_for_writeENTRY(lines 6157 6171) the Hoare annotation is: true [2018-11-18 17:00:14,855 INFO L425 ceAbstractionStarter]: For program point index_prepare_for_writeFINAL(lines 6157 6171) no Hoare annotation was computed. [2018-11-18 17:00:14,855 INFO L428 ceAbstractionStarter]: At program point L6167(lines 6167 6168) the Hoare annotation is: true [2018-11-18 17:00:14,855 INFO L428 ceAbstractionStarter]: At program point L6166(line 6166) the Hoare annotation is: true [2018-11-18 17:00:14,855 INFO L425 ceAbstractionStarter]: For program point L6167-1(lines 6167 6168) no Hoare annotation was computed. [2018-11-18 17:00:14,856 INFO L425 ceAbstractionStarter]: For program point L6164-1(line 6164) no Hoare annotation was computed. [2018-11-18 17:00:14,856 INFO L425 ceAbstractionStarter]: For program point L6166-1(line 6166) no Hoare annotation was computed. [2018-11-18 17:00:14,856 INFO L428 ceAbstractionStarter]: At program point L6164(line 6164) the Hoare annotation is: true [2018-11-18 17:00:14,856 INFO L425 ceAbstractionStarter]: For program point L6224-1(line 6224) no Hoare annotation was computed. [2018-11-18 17:00:14,856 INFO L428 ceAbstractionStarter]: At program point bitmap_prepare_for_writeENTRY(lines 6217 6231) the Hoare annotation is: true [2018-11-18 17:00:14,856 INFO L425 ceAbstractionStarter]: For program point L6226-1(line 6226) no Hoare annotation was computed. [2018-11-18 17:00:14,856 INFO L428 ceAbstractionStarter]: At program point L6224(line 6224) the Hoare annotation is: true [2018-11-18 17:00:14,856 INFO L425 ceAbstractionStarter]: For program point bitmap_prepare_for_writeFINAL(lines 6217 6231) no Hoare annotation was computed. [2018-11-18 17:00:14,856 INFO L428 ceAbstractionStarter]: At program point L6227(lines 6227 6228) the Hoare annotation is: true [2018-11-18 17:00:14,856 INFO L428 ceAbstractionStarter]: At program point L6226(line 6226) the Hoare annotation is: true [2018-11-18 17:00:14,857 INFO L425 ceAbstractionStarter]: For program point L6227-1(lines 6227 6228) no Hoare annotation was computed. [2018-11-18 17:00:14,857 INFO L425 ceAbstractionStarter]: For program point bitmap_prepare_for_writeEXIT(lines 6217 6231) no Hoare annotation was computed. [2018-11-18 17:00:14,857 INFO L428 ceAbstractionStarter]: At program point L5567(line 5567) the Hoare annotation is: true [2018-11-18 17:00:14,857 INFO L425 ceAbstractionStarter]: For program point L5567-1(line 5567) no Hoare annotation was computed. [2018-11-18 17:00:14,857 INFO L425 ceAbstractionStarter]: For program point dm_block_locationEXIT(lines 5561 5571) no Hoare annotation was computed. [2018-11-18 17:00:14,857 INFO L428 ceAbstractionStarter]: At program point dm_block_locationENTRY(lines 5561 5571) the Hoare annotation is: true [2018-11-18 17:00:14,857 INFO L425 ceAbstractionStarter]: For program point dm_block_locationFINAL(lines 5561 5571) no Hoare annotation was computed. [2018-11-18 17:00:14,857 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:00:14,857 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:00:14,857 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:00:14,857 INFO L425 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12211) no Hoare annotation was computed. [2018-11-18 17:00:14,857 INFO L425 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 12206 12213) no Hoare annotation was computed. [2018-11-18 17:00:14,857 INFO L428 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 12206 12213) the Hoare annotation is: true [2018-11-18 17:00:14,857 INFO L425 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 12206 12213) no Hoare annotation was computed. [2018-11-18 17:00:14,857 INFO L425 ceAbstractionStarter]: For program point to_bufferEXIT(lines 5553 5560) no Hoare annotation was computed. [2018-11-18 17:00:14,858 INFO L428 ceAbstractionStarter]: At program point to_bufferENTRY(lines 5553 5560) the Hoare annotation is: true [2018-11-18 17:00:14,858 INFO L425 ceAbstractionStarter]: For program point to_bufferFINAL(lines 5553 5560) no Hoare annotation was computed. [2018-11-18 17:00:14,858 INFO L428 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 12479 12496) the Hoare annotation is: true [2018-11-18 17:00:14,858 INFO L421 ceAbstractionStarter]: At program point L12492(line 12492) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2018-11-18 17:00:14,858 INFO L425 ceAbstractionStarter]: For program point L12492-1(lines 12479 12496) no Hoare annotation was computed. [2018-11-18 17:00:14,858 INFO L425 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 12479 12496) no Hoare annotation was computed. [2018-11-18 17:00:14,858 INFO L425 ceAbstractionStarter]: For program point L12487-1(lines 12483 12495) no Hoare annotation was computed. [2018-11-18 17:00:14,858 INFO L421 ceAbstractionStarter]: At program point L12487(line 12487) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2018-11-18 17:00:14,858 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:00:14,858 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 17:00:14,859 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:00:14,859 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:00:14,859 INFO L428 ceAbstractionStarter]: At program point ldv_initializeENTRY(lines 12469 12478) the Hoare annotation is: true [2018-11-18 17:00:14,859 INFO L425 ceAbstractionStarter]: For program point ldv_initializeFINAL(lines 12469 12478) no Hoare annotation was computed. [2018-11-18 17:00:14,859 INFO L425 ceAbstractionStarter]: For program point ldv_initializeEXIT(lines 12469 12478) no Hoare annotation was computed. [2018-11-18 17:00:14,859 INFO L428 ceAbstractionStarter]: At program point bitmap_checkENTRY(lines 6232 6275) the Hoare annotation is: true [2018-11-18 17:00:14,859 INFO L425 ceAbstractionStarter]: For program point L6246(lines 6246 6258) no Hoare annotation was computed. [2018-11-18 17:00:14,859 INFO L425 ceAbstractionStarter]: For program point L6248-2(lines 6248 6254) no Hoare annotation was computed. [2018-11-18 17:00:14,859 INFO L425 ceAbstractionStarter]: For program point L6248(lines 6248 6254) no Hoare annotation was computed. [2018-11-18 17:00:14,859 INFO L425 ceAbstractionStarter]: For program point bitmap_checkEXIT(lines 6232 6275) no Hoare annotation was computed. [2018-11-18 17:00:14,859 INFO L425 ceAbstractionStarter]: For program point L6263(lines 6263 6268) no Hoare annotation was computed. [2018-11-18 17:00:14,859 INFO L428 ceAbstractionStarter]: At program point L6259(lines 6259 6260) the Hoare annotation is: true [2018-11-18 17:00:14,860 INFO L425 ceAbstractionStarter]: For program point L6259-1(lines 6259 6260) no Hoare annotation was computed. [2018-11-18 17:00:14,860 INFO L425 ceAbstractionStarter]: For program point L6261(lines 6261 6272) no Hoare annotation was computed. [2018-11-18 17:00:14,860 INFO L425 ceAbstractionStarter]: For program point L6263-2(lines 6263 6268) no Hoare annotation was computed. [2018-11-18 17:00:14,860 INFO L428 ceAbstractionStarter]: At program point L6249(line 6249) the Hoare annotation is: true [2018-11-18 17:00:14,860 INFO L425 ceAbstractionStarter]: For program point L6249-1(line 6249) no Hoare annotation was computed. [2018-11-18 17:00:14,860 INFO L428 ceAbstractionStarter]: At program point L6243(line 6243) the Hoare annotation is: true [2018-11-18 17:00:14,860 INFO L425 ceAbstractionStarter]: For program point L6243-1(line 6243) no Hoare annotation was computed. [2018-11-18 17:00:14,860 INFO L425 ceAbstractionStarter]: For program point bitmap_checkFINAL(lines 6232 6275) no Hoare annotation was computed. [2018-11-18 17:00:14,860 INFO L428 ceAbstractionStarter]: At program point L6245(line 6245) the Hoare annotation is: true [2018-11-18 17:00:14,860 INFO L425 ceAbstractionStarter]: For program point L6245-1(line 6245) no Hoare annotation was computed. [2018-11-18 17:00:14,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:00:14 BoogieIcfgContainer [2018-11-18 17:00:14,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:00:14,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:00:14,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:00:14,870 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:00:14,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:00:09" (3/4) ... [2018-11-18 17:00:14,874 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:00:14,878 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure index_check [2018-11-18 17:00:14,879 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_data [2018-11-18 17:00:14,879 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_bm_checksum [2018-11-18 17:00:14,879 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:00:14,879 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure index_prepare_for_write [2018-11-18 17:00:14,879 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_prepare_for_write [2018-11-18 17:00:14,879 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_location [2018-11-18 17:00:14,879 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:00:14,879 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-18 17:00:14,879 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure to_buffer [2018-11-18 17:00:14,879 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-11-18 17:00:14,880 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2018-11-18 17:00:14,880 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_check [2018-11-18 17:00:14,886 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 107 nodes and edges [2018-11-18 17:00:14,886 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-18 17:00:14,887 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-18 17:00:14,887 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 17:00:14,887 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:00:14,947 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_79e384ee-93f3-48ed-8afd-4d68ab84bd2e/bin-2019/utaipan/witness.graphml [2018-11-18 17:00:14,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:00:14,949 INFO L168 Benchmark]: Toolchain (without parser) took 12293.78 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 537.9 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -206.5 MB). Peak memory consumption was 331.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:14,950 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:00:14,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4131.20 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 414.2 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 433.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:14,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.58 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 843.3 kB). Peak memory consumption was 843.3 kB. Max. memory is 11.5 GB. [2018-11-18 17:00:14,950 INFO L168 Benchmark]: Boogie Preprocessor took 50.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:14,951 INFO L168 Benchmark]: RCFGBuilder took 3069.83 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 123.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -154.4 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:14,951 INFO L168 Benchmark]: TraceAbstraction took 4881.26 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 115.8 MB). Peak memory consumption was 115.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:14,951 INFO L168 Benchmark]: Witness Printer took 77.55 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:14,955 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 4131.20 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 414.2 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 433.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.58 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 843.3 kB). Peak memory consumption was 843.3 kB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3069.83 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 123.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -154.4 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4881.26 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 115.8 MB). Peak memory consumption was 115.8 MB. Max. memory is 11.5 GB. * Witness Printer took 77.55 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12211]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7134]: Loop Invariant Derived loop invariant: ldv_mutex_mutex_of_device == 1 && ldv_mutex_lock == 1 - InvariantResult [Line: 7134]: Loop Invariant Derived loop invariant: ldv_mutex_mutex_of_device == 1 && ldv_mutex_lock == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 109 locations, 1 error locations. SAFE Result, 4.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 251 SDtfs, 225 SDslu, 12 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 63 PreInvPairs, 63 NumberOfFragments, 99 HoareAnnotationTreeSize, 63 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 375 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 885 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...