./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/config/TaipanReach.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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fd7f455fa60dc767ba413f4ce1a98b58bf5f9d518147ba3811d1c7635c7b429b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:14:20,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:14:20,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:14:20,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:14:20,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:14:20,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:14:20,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:14:20,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:14:20,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:14:20,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:14:20,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:14:20,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:14:20,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:14:20,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:14:20,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:14:20,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:14:20,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:14:20,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:14:20,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:14:20,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:14:20,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:14:20,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:14:20,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:14:20,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:14:20,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:14:20,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:14:20,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:14:20,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:14:20,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:14:20,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:14:20,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:14:20,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:14:20,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:14:20,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:14:20,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:14:20,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:14:20,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:14:20,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:14:20,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:14:20,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:14:20,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:14:20,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:14:20,611 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:14:20,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:14:20,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:14:20,612 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:14:20,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:14:20,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:14:20,613 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:14:20,613 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:14:20,613 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:14:20,614 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:14:20,615 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:14:20,615 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:14:20,615 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:14:20,615 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:14:20,615 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:14:20,616 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:14:20,616 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:14:20,616 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:14:20,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:14:20,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:14:20,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:14:20,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:14:20,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:14:20,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:14:20,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:14:20,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:14:20,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:14:20,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:14:20,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:14:20,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:14:20,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:14:20,620 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:14:20,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:14:20,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:14:20,620 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:14:20,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:14:20,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:14:20,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:14:20,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd7f455fa60dc767ba413f4ce1a98b58bf5f9d518147ba3811d1c7635c7b429b [2022-11-22 01:14:20,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:14:20,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:14:20,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:14:20,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:14:20,959 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:14:20,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2022-11-22 01:14:24,097 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:14:24,716 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:14:24,717 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2022-11-22 01:14:24,770 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/data/515b630b3/772725500eee4dfbbd961ec1bcbe8b8a/FLAGb9e00beae [2022-11-22 01:14:24,795 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/data/515b630b3/772725500eee4dfbbd961ec1bcbe8b8a [2022-11-22 01:14:24,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:14:24,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:14:24,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:14:24,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:14:24,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:14:24,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:14:24" (1/1) ... [2022-11-22 01:14:24,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2765debc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:24, skipping insertion in model container [2022-11-22 01:14:24,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:14:24" (1/1) ... [2022-11-22 01:14:24,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:14:24,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:14:27,787 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i[314650,314663] [2022-11-22 01:14:27,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:14:27,960 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:14:28,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i[314650,314663] [2022-11-22 01:14:28,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:14:28,596 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:14:28,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28 WrapperNode [2022-11-22 01:14:28,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:14:28,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:14:28,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:14:28,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:14:28,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (1/1) ... [2022-11-22 01:14:28,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (1/1) ... [2022-11-22 01:14:28,778 INFO L138 Inliner]: procedures = 448, calls = 3142, calls flagged for inlining = 108, calls inlined = 6, statements flattened = 279 [2022-11-22 01:14:28,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:14:28,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:14:28,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:14:28,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:14:28,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (1/1) ... [2022-11-22 01:14:28,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (1/1) ... [2022-11-22 01:14:28,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (1/1) ... [2022-11-22 01:14:28,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (1/1) ... [2022-11-22 01:14:28,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (1/1) ... [2022-11-22 01:14:28,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (1/1) ... [2022-11-22 01:14:28,845 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (1/1) ... [2022-11-22 01:14:28,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (1/1) ... [2022-11-22 01:14:28,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:14:28,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:14:28,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:14:28,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:14:28,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (1/1) ... [2022-11-22 01:14:28,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:14:28,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:14:28,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:14:28,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:14:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-11-22 01:14:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-11-22 01:14:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:14:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:14:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure index_prepare_for_write [2022-11-22 01:14:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure index_prepare_for_write [2022-11-22 01:14:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure index_check [2022-11-22 01:14:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure index_check [2022-11-22 01:14:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-22 01:14:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-22 01:14:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:14:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:14:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:14:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-11-22 01:14:28,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-11-22 01:14:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:14:28,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:14:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 01:14:28,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 01:14:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bufio_get_block_number [2022-11-22 01:14:28,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bufio_get_block_number [2022-11-22 01:14:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-11-22 01:14:28,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-11-22 01:14:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure to_buffer [2022-11-22 01:14:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure to_buffer [2022-11-22 01:14:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:14:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-11-22 01:14:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-11-22 01:14:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-22 01:14:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-22 01:14:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_check [2022-11-22 01:14:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_check [2022-11-22 01:14:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:14:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_prepare_for_write [2022-11-22 01:14:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_prepare_for_write [2022-11-22 01:14:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:14:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:14:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:14:29,333 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:14:29,335 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:14:29,833 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:14:30,007 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:14:30,007 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:14:30,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:14:30 BoogieIcfgContainer [2022-11-22 01:14:30,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:14:30,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:14:30,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:14:30,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:14:30,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:14:24" (1/3) ... [2022-11-22 01:14:30,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fffc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:14:30, skipping insertion in model container [2022-11-22 01:14:30,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:28" (2/3) ... [2022-11-22 01:14:30,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fffc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:14:30, skipping insertion in model container [2022-11-22 01:14:30,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:14:30" (3/3) ... [2022-11-22 01:14:30,023 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2022-11-22 01:14:30,042 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:14:30,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:14:30,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:14:30,114 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@177d509a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:14:30,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:14:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 65 states have internal predecessors, (73), 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) [2022-11-22 01:14:30,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:14:30,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:30,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:30,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:14:30,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:30,140 INFO L85 PathProgramCache]: Analyzing trace with hash 788173830, now seen corresponding path program 1 times [2022-11-22 01:14:30,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:30,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004158348] [2022-11-22 01:14:30,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:30,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:14:30,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:30,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004158348] [2022-11-22 01:14:30,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004158348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:30,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:30,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:14:30,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134089834] [2022-11-22 01:14:30,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:30,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:14:30,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:30,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:14:30,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:14:30,647 INFO L87 Difference]: Start difference. First operand has 110 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 65 states have internal predecessors, (73), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-22 01:14:30,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:30,774 INFO L93 Difference]: Finished difference Result 118 states and 150 transitions. [2022-11-22 01:14:30,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:14:30,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 10 [2022-11-22 01:14:30,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:30,790 INFO L225 Difference]: With dead ends: 118 [2022-11-22 01:14:30,790 INFO L226 Difference]: Without dead ends: 104 [2022-11-22 01:14:30,793 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:14:30,796 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 129 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:30,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 120 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:14:30,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-22 01:14:30,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-22 01:14:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 60 states have internal predecessors, (68), 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) [2022-11-22 01:14:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2022-11-22 01:14:30,854 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 10 [2022-11-22 01:14:30,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:30,854 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2022-11-22 01:14:30,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-22 01:14:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2022-11-22 01:14:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:14:30,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:30,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:30,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:14:30,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:14:30,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:30,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1336595812, now seen corresponding path program 1 times [2022-11-22 01:14:30,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:30,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783435883] [2022-11-22 01:14:30,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:30,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:14:31,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:31,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783435883] [2022-11-22 01:14:31,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783435883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:31,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:31,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:14:31,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133487700] [2022-11-22 01:14:31,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:31,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:14:31,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:31,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:14:31,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:14:31,026 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-22 01:14:31,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:31,141 INFO L93 Difference]: Finished difference Result 104 states and 132 transitions. [2022-11-22 01:14:31,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:14:31,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 11 [2022-11-22 01:14:31,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:31,144 INFO L225 Difference]: With dead ends: 104 [2022-11-22 01:14:31,144 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:14:31,145 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:14:31,146 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 121 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:31,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 115 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:14:31,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:14:31,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:14:31,148 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) [2022-11-22 01:14:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:14:31,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-22 01:14:31,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:31,149 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:14:31,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-22 01:14:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:14:31,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:14:31,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:14:31,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:14:31,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:14:31,467 INFO L902 garLoopResultBuilder]: At program point index_checkENTRY(lines 5903 5941) the Hoare annotation is: true [2022-11-22 01:14:31,467 INFO L902 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: true [2022-11-22 01:14:31,467 INFO L899 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2022-11-22 01:14:31,467 INFO L902 garLoopResultBuilder]: At program point L5915(line 5915) the Hoare annotation is: true [2022-11-22 01:14:31,468 INFO L899 garLoopResultBuilder]: For program point L5915-1(line 5915) no Hoare annotation was computed. [2022-11-22 01:14:31,468 INFO L902 garLoopResultBuilder]: At program point L5917(line 5917) the Hoare annotation is: true [2022-11-22 01:14:31,468 INFO L899 garLoopResultBuilder]: For program point L5917-1(line 5917) no Hoare annotation was computed. [2022-11-22 01:14:31,468 INFO L902 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: true [2022-11-22 01:14:31,468 INFO L899 garLoopResultBuilder]: For program point L5913-1(line 5913) no Hoare annotation was computed. [2022-11-22 01:14:31,468 INFO L902 garLoopResultBuilder]: At program point L5930(line 5930) the Hoare annotation is: true [2022-11-22 01:14:31,469 INFO L899 garLoopResultBuilder]: For program point L5930-1(line 5930) no Hoare annotation was computed. [2022-11-22 01:14:31,470 INFO L899 garLoopResultBuilder]: For program point L5918(lines 5918 5923) no Hoare annotation was computed. [2022-11-22 01:14:31,472 INFO L899 garLoopResultBuilder]: For program point L5916(lines 5916 5926) no Hoare annotation was computed. [2022-11-22 01:14:31,473 INFO L899 garLoopResultBuilder]: For program point L5918-2(lines 5918 5923) no Hoare annotation was computed. [2022-11-22 01:14:31,473 INFO L899 garLoopResultBuilder]: For program point index_checkEXIT(lines 5903 5941) no Hoare annotation was computed. [2022-11-22 01:14:31,473 INFO L902 garLoopResultBuilder]: At program point L5927(lines 5927 5928) the Hoare annotation is: true [2022-11-22 01:14:31,473 INFO L899 garLoopResultBuilder]: For program point index_checkFINAL(lines 5903 5941) no Hoare annotation was computed. [2022-11-22 01:14:31,473 INFO L899 garLoopResultBuilder]: For program point L5927-1(lines 5927 5928) no Hoare annotation was computed. [2022-11-22 01:14:31,473 INFO L899 garLoopResultBuilder]: For program point L5929(lines 5929 5938) no Hoare annotation was computed. [2022-11-22 01:14:31,474 INFO L902 garLoopResultBuilder]: At program point dm_bufio_get_block_numberENTRY(lines 11636 11638) the Hoare annotation is: true [2022-11-22 01:14:31,474 INFO L899 garLoopResultBuilder]: For program point dm_bufio_get_block_numberEXIT(lines 11636 11638) no Hoare annotation was computed. [2022-11-22 01:14:31,474 INFO L902 garLoopResultBuilder]: At program point L5371(line 5371) the Hoare annotation is: true [2022-11-22 01:14:31,474 INFO L902 garLoopResultBuilder]: At program point L11633-1(line 11633) the Hoare annotation is: true [2022-11-22 01:14:31,474 INFO L899 garLoopResultBuilder]: For program point L5371-1(line 5371) no Hoare annotation was computed. [2022-11-22 01:14:31,475 INFO L902 garLoopResultBuilder]: At program point L11633(line 11633) the Hoare annotation is: true [2022-11-22 01:14:31,475 INFO L899 garLoopResultBuilder]: For program point dm_block_dataEXIT(lines 5366 5375) no Hoare annotation was computed. [2022-11-22 01:14:31,475 INFO L902 garLoopResultBuilder]: At program point dm_block_dataENTRY(lines 5366 5375) the Hoare annotation is: true [2022-11-22 01:14:31,475 INFO L902 garLoopResultBuilder]: At program point dm_bm_checksumENTRY(lines 5773 5780) the Hoare annotation is: true [2022-11-22 01:14:31,476 INFO L899 garLoopResultBuilder]: For program point dm_bm_checksumEXIT(lines 5773 5780) no Hoare annotation was computed. [2022-11-22 01:14:31,477 INFO L899 garLoopResultBuilder]: For program point index_prepare_for_writeEXIT(lines 5889 5902) no Hoare annotation was computed. [2022-11-22 01:14:31,480 INFO L902 garLoopResultBuilder]: At program point L5898(lines 5898 5899) the Hoare annotation is: true [2022-11-22 01:14:31,481 INFO L902 garLoopResultBuilder]: At program point index_prepare_for_writeENTRY(lines 5889 5902) the Hoare annotation is: true [2022-11-22 01:14:31,481 INFO L902 garLoopResultBuilder]: At program point L5895(line 5895) the Hoare annotation is: true [2022-11-22 01:14:31,483 INFO L899 garLoopResultBuilder]: For program point L5895-1(line 5895) no Hoare annotation was computed. [2022-11-22 01:14:31,483 INFO L902 garLoopResultBuilder]: At program point L5897(line 5897) the Hoare annotation is: true [2022-11-22 01:14:31,483 INFO L899 garLoopResultBuilder]: For program point L5898-1(lines 5898 5899) no Hoare annotation was computed. [2022-11-22 01:14:31,483 INFO L899 garLoopResultBuilder]: For program point L5897-1(line 5897) no Hoare annotation was computed. [2022-11-22 01:14:31,483 INFO L899 garLoopResultBuilder]: For program point ldv_handler_precallEXIT(lines 11666 11668) no Hoare annotation was computed. [2022-11-22 01:14:31,484 INFO L902 garLoopResultBuilder]: At program point ldv_handler_precallFINAL(lines 11666 11668) the Hoare annotation is: true [2022-11-22 01:14:31,484 INFO L902 garLoopResultBuilder]: At program point L5951(line 5951) the Hoare annotation is: true [2022-11-22 01:14:31,484 INFO L899 garLoopResultBuilder]: For program point L5952-1(lines 5952 5953) no Hoare annotation was computed. [2022-11-22 01:14:31,485 INFO L899 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2022-11-22 01:14:31,485 INFO L902 garLoopResultBuilder]: At program point bitmap_prepare_for_writeENTRY(lines 5943 5956) the Hoare annotation is: true [2022-11-22 01:14:31,485 INFO L902 garLoopResultBuilder]: At program point L5952(lines 5952 5953) the Hoare annotation is: true [2022-11-22 01:14:31,486 INFO L902 garLoopResultBuilder]: At program point L5949(line 5949) the Hoare annotation is: true [2022-11-22 01:14:31,486 INFO L899 garLoopResultBuilder]: For program point L5949-1(line 5949) no Hoare annotation was computed. [2022-11-22 01:14:31,486 INFO L899 garLoopResultBuilder]: For program point bitmap_prepare_for_writeEXIT(lines 5943 5956) no Hoare annotation was computed. [2022-11-22 01:14:31,486 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 4859 4868) the Hoare annotation is: true [2022-11-22 01:14:31,487 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 4859 4868) no Hoare annotation was computed. [2022-11-22 01:14:31,487 INFO L902 garLoopResultBuilder]: At program point L5361(line 5361) the Hoare annotation is: true [2022-11-22 01:14:31,487 INFO L899 garLoopResultBuilder]: For program point L5362-1(line 5362) no Hoare annotation was computed. [2022-11-22 01:14:31,487 INFO L899 garLoopResultBuilder]: For program point dm_block_locationEXIT(lines 5356 5365) no Hoare annotation was computed. [2022-11-22 01:14:31,488 INFO L899 garLoopResultBuilder]: For program point L5361-1(line 5361) no Hoare annotation was computed. [2022-11-22 01:14:31,488 INFO L902 garLoopResultBuilder]: At program point dm_block_locationENTRY(lines 5356 5365) the Hoare annotation is: true [2022-11-22 01:14:31,488 INFO L902 garLoopResultBuilder]: At program point L5362(line 5362) the Hoare annotation is: true [2022-11-22 01:14:31,489 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 11348 11353) the Hoare annotation is: true [2022-11-22 01:14:31,489 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11351) no Hoare annotation was computed. [2022-11-22 01:14:31,489 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 11348 11353) no Hoare annotation was computed. [2022-11-22 01:14:31,489 INFO L899 garLoopResultBuilder]: For program point to_bufferEXIT(lines 5350 5355) no Hoare annotation was computed. [2022-11-22 01:14:31,490 INFO L902 garLoopResultBuilder]: At program point to_bufferENTRY(lines 5350 5355) the Hoare annotation is: true [2022-11-22 01:14:31,490 INFO L902 garLoopResultBuilder]: At program point ldv_check_final_stateENTRY(lines 11583 11596) the Hoare annotation is: true [2022-11-22 01:14:31,490 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))) [2022-11-22 01:14:31,490 INFO L899 garLoopResultBuilder]: For program point L11588-1(lines 11585 11595) no Hoare annotation was computed. [2022-11-22 01:14:31,491 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))) [2022-11-22 01:14:31,492 INFO L899 garLoopResultBuilder]: For program point ldv_check_final_stateEXIT(lines 11583 11596) no Hoare annotation was computed. [2022-11-22 01:14:31,492 INFO L899 garLoopResultBuilder]: For program point L11592-1(lines 11583 11596) no Hoare annotation was computed. [2022-11-22 01:14:31,492 INFO L899 garLoopResultBuilder]: For program point L6782(line 6782) no Hoare annotation was computed. [2022-11-22 01:14:31,492 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)) [2022-11-22 01:14:31,492 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:14:31,493 INFO L902 garLoopResultBuilder]: At program point L6771(line 6771) the Hoare annotation is: true [2022-11-22 01:14:31,493 INFO L899 garLoopResultBuilder]: For program point L6788(line 6788) no Hoare annotation was computed. [2022-11-22 01:14:31,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:14:31,493 INFO L899 garLoopResultBuilder]: For program point L6784(line 6784) no Hoare annotation was computed. [2022-11-22 01:14:31,494 INFO L899 garLoopResultBuilder]: For program point L6780(line 6780) no Hoare annotation was computed. [2022-11-22 01:14:31,494 INFO L899 garLoopResultBuilder]: For program point L6776(line 6776) no Hoare annotation was computed. [2022-11-22 01:14:31,494 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)) [2022-11-22 01:14:31,494 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)) [2022-11-22 01:14:31,495 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)) [2022-11-22 01:14:31,496 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)) [2022-11-22 01:14:31,496 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)) [2022-11-22 01:14:31,496 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)) [2022-11-22 01:14:31,496 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)) [2022-11-22 01:14:31,497 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)) [2022-11-22 01:14:31,497 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)) [2022-11-22 01:14:31,497 INFO L895 garLoopResultBuilder]: At program point L6798(lines 6798 6801) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2022-11-22 01:14:31,497 INFO L895 garLoopResultBuilder]: At program point L6802-1(line 6802) the Hoare annotation is: (= ~ldv_mutex_lock~0 1) [2022-11-22 01:14:31,498 INFO L899 garLoopResultBuilder]: For program point L6790(line 6790) no Hoare annotation was computed. [2022-11-22 01:14:31,499 INFO L902 garLoopResultBuilder]: At program point ldv_initializeENTRY(lines 11575 11582) the Hoare annotation is: true [2022-11-22 01:14:31,501 INFO L899 garLoopResultBuilder]: For program point ldv_initializeEXIT(lines 11575 11582) no Hoare annotation was computed. [2022-11-22 01:14:31,501 INFO L899 garLoopResultBuilder]: For program point ___ratelimitEXIT(lines 11598 11600) no Hoare annotation was computed. [2022-11-22 01:14:31,502 INFO L902 garLoopResultBuilder]: At program point ___ratelimitENTRY(lines 11598 11600) the Hoare annotation is: true [2022-11-22 01:14:31,504 INFO L899 garLoopResultBuilder]: For program point L5983(lines 5983 5992) no Hoare annotation was computed. [2022-11-22 01:14:31,504 INFO L902 garLoopResultBuilder]: At program point L5981(lines 5981 5982) the Hoare annotation is: true [2022-11-22 01:14:31,505 INFO L899 garLoopResultBuilder]: For program point L5981-1(lines 5981 5982) no Hoare annotation was computed. [2022-11-22 01:14:31,508 INFO L902 garLoopResultBuilder]: At program point L5971(line 5971) the Hoare annotation is: true [2022-11-22 01:14:31,508 INFO L902 garLoopResultBuilder]: At program point bitmap_checkENTRY(lines 5957 5995) the Hoare annotation is: true [2022-11-22 01:14:31,510 INFO L899 garLoopResultBuilder]: For program point L5971-1(line 5971) no Hoare annotation was computed. [2022-11-22 01:14:31,510 INFO L902 garLoopResultBuilder]: At program point L5973(line 5973) the Hoare annotation is: true [2022-11-22 01:14:31,510 INFO L899 garLoopResultBuilder]: For program point L5973-1(line 5973) no Hoare annotation was computed. [2022-11-22 01:14:31,510 INFO L902 garLoopResultBuilder]: At program point L5967(line 5967) the Hoare annotation is: true [2022-11-22 01:14:31,510 INFO L899 garLoopResultBuilder]: For program point L5967-1(line 5967) no Hoare annotation was computed. [2022-11-22 01:14:31,511 INFO L902 garLoopResultBuilder]: At program point L5969(line 5969) the Hoare annotation is: true [2022-11-22 01:14:31,511 INFO L899 garLoopResultBuilder]: For program point L5969-1(line 5969) no Hoare annotation was computed. [2022-11-22 01:14:31,512 INFO L899 garLoopResultBuilder]: For program point L5984-1(line 5984) no Hoare annotation was computed. [2022-11-22 01:14:31,512 INFO L899 garLoopResultBuilder]: For program point bitmap_checkEXIT(lines 5957 5995) no Hoare annotation was computed. [2022-11-22 01:14:31,512 INFO L902 garLoopResultBuilder]: At program point L5984(line 5984) the Hoare annotation is: true [2022-11-22 01:14:31,512 INFO L899 garLoopResultBuilder]: For program point L5970(lines 5970 5980) no Hoare annotation was computed. [2022-11-22 01:14:31,512 INFO L899 garLoopResultBuilder]: For program point L5972-2(lines 5972 5977) no Hoare annotation was computed. [2022-11-22 01:14:31,512 INFO L899 garLoopResultBuilder]: For program point L5972(lines 5972 5977) no Hoare annotation was computed. [2022-11-22 01:14:31,513 INFO L899 garLoopResultBuilder]: For program point bitmap_checkFINAL(lines 5957 5995) no Hoare annotation was computed. [2022-11-22 01:14:31,519 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-22 01:14:31,521 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:14:31,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:14:31 BoogieIcfgContainer [2022-11-22 01:14:31,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:14:31,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:14:31,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:14:31,545 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:14:31,545 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:14:30" (3/4) ... [2022-11-22 01:14:31,548 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:14:31,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure index_check [2022-11-22 01:14:31,555 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_bufio_get_block_number [2022-11-22 01:14:31,555 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_data [2022-11-22 01:14:31,555 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_bm_checksum [2022-11-22 01:14:31,555 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure index_prepare_for_write [2022-11-22 01:14:31,555 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2022-11-22 01:14:31,555 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_prepare_for_write [2022-11-22 01:14:31,555 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-22 01:14:31,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_location [2022-11-22 01:14:31,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-22 01:14:31,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure to_buffer [2022-11-22 01:14:31,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2022-11-22 01:14:31,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2022-11-22 01:14:31,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ___ratelimit [2022-11-22 01:14:31,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_check [2022-11-22 01:14:31,577 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2022-11-22 01:14:31,578 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2022-11-22 01:14:31,579 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-22 01:14:31,579 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-22 01:14:31,580 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 01:14:31,580 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:14:31,581 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:14:31,699 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:14:31,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:14:31,700 INFO L158 Benchmark]: Toolchain (without parser) took 6900.16ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 137.6MB in the beginning and 133.5MB in the end (delta: 4.2MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2022-11-22 01:14:31,700 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:14:31,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3796.22ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 137.6MB in the beginning and 153.4MB in the end (delta: -15.8MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2022-11-22 01:14:31,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.41ms. Allocated memory is still 243.3MB. Free memory was 153.4MB in the beginning and 144.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 01:14:31,701 INFO L158 Benchmark]: Boogie Preprocessor took 89.26ms. Allocated memory is still 243.3MB. Free memory was 144.0MB in the beginning and 139.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:14:31,701 INFO L158 Benchmark]: RCFGBuilder took 1141.16ms. Allocated memory is still 243.3MB. Free memory was 139.8MB in the beginning and 155.7MB in the end (delta: -15.9MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-11-22 01:14:31,702 INFO L158 Benchmark]: TraceAbstraction took 1530.45ms. Allocated memory is still 243.3MB. Free memory was 154.6MB in the beginning and 141.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-22 01:14:31,702 INFO L158 Benchmark]: Witness Printer took 154.74ms. Allocated memory is still 243.3MB. Free memory was 141.8MB in the beginning and 133.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 01:14:31,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3796.22ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 137.6MB in the beginning and 153.4MB in the end (delta: -15.8MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 179.41ms. Allocated memory is still 243.3MB. Free memory was 153.4MB in the beginning and 144.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.26ms. Allocated memory is still 243.3MB. Free memory was 144.0MB in the beginning and 139.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1141.16ms. Allocated memory is still 243.3MB. Free memory was 139.8MB in the beginning and 155.7MB in the end (delta: -15.9MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1530.45ms. Allocated memory is still 243.3MB. Free memory was 154.6MB in the beginning and 141.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Witness Printer took 154.74ms. Allocated memory is still 243.3MB. Free memory was 141.8MB in the beginning and 133.5MB 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, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 235 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 233 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=110occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 53 LocationsWithAnnotation, 92 PreInvPairs, 93 NumberOfFragments, 137 HoareAnnotationTreeSize, 92 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 540 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 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: 6798]: 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: 6802]: Loop Invariant Derived loop invariant: ldv_mutex_lock == 1 - InvariantResult [Line: 11633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4859]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5773]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-22 01:14:31,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c094c40b-efaa-47a1-bf6f-19d17b853a00/bin/utaipan-g80aRyZoba/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