./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/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_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 02:38:12,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:38:12,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:38:12,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:38:12,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:38:12,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:38:12,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:38:12,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:38:12,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:38:12,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:38:12,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:38:12,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:38:12,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:38:12,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:38:12,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:38:12,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:38:12,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:38:12,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:38:12,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:38:12,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:38:12,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:38:12,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:38:12,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:38:12,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:38:12,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:38:12,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:38:12,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:38:12,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:38:12,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:38:12,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:38:12,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:38:12,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:38:12,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:38:12,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:38:12,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:38:12,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:38:12,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:38:12,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:38:12,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:38:12,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:38:12,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:38:12,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:38:12,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:38:12,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:38:12,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:38:12,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:38:12,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:38:12,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:38:12,690 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:38:12,690 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:38:12,691 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:38:12,691 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:38:12,692 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:38:12,692 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:38:12,692 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:38:12,693 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:38:12,693 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:38:12,693 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:38:12,693 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:38:12,694 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:38:12,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:38:12,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:38:12,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:38:12,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:38:12,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:38:12,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:38:12,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:38:12,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:38:12,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:38:12,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:38:12,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:38:12,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:38:12,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:38:12,697 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:38:12,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:38:12,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:38:12,698 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:38:12,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:38:12,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:38:12,698 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:38:12,699 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_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd7f455fa60dc767ba413f4ce1a98b58bf5f9d518147ba3811d1c7635c7b429b [2022-11-03 02:38:12,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:38:12,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:38:13,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:38:13,001 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:38:13,002 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:38:13,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2022-11-03 02:38:13,092 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/data/fb6e11593/61077a3fe36147e79c768ae655d07a0c/FLAG89cca9d08 [2022-11-03 02:38:13,976 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:38:13,977 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2022-11-03 02:38:14,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/data/fb6e11593/61077a3fe36147e79c768ae655d07a0c/FLAG89cca9d08 [2022-11-03 02:38:14,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/data/fb6e11593/61077a3fe36147e79c768ae655d07a0c [2022-11-03 02:38:14,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:38:14,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:38:14,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:38:14,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:38:14,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:38:14,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:38:14" (1/1) ... [2022-11-03 02:38:14,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f9aa3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:14, skipping insertion in model container [2022-11-03 02:38:14,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:38:14" (1/1) ... [2022-11-03 02:38:14,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:38:14,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:38:17,264 WARN L230 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_8e92a995-e5f0-4b93-8900-837fa68f6553/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] [2022-11-03 02:38:17,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:38:17,352 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:38:17,916 WARN L230 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_8e92a995-e5f0-4b93-8900-837fa68f6553/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] [2022-11-03 02:38:17,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:38:18,045 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:38:18,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18 WrapperNode [2022-11-03 02:38:18,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:38:18,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:38:18,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:38:18,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:38:18,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (1/1) ... [2022-11-03 02:38:18,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (1/1) ... [2022-11-03 02:38:18,264 INFO L138 Inliner]: procedures = 448, calls = 3142, calls flagged for inlining = 108, calls inlined = 6, statements flattened = 279 [2022-11-03 02:38:18,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:38:18,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:38:18,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:38:18,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:38:18,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (1/1) ... [2022-11-03 02:38:18,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (1/1) ... [2022-11-03 02:38:18,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (1/1) ... [2022-11-03 02:38:18,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (1/1) ... [2022-11-03 02:38:18,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (1/1) ... [2022-11-03 02:38:18,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (1/1) ... [2022-11-03 02:38:18,367 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (1/1) ... [2022-11-03 02:38:18,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (1/1) ... [2022-11-03 02:38:18,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:38:18,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:38:18,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:38:18,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:38:18,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (1/1) ... [2022-11-03 02:38:18,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:38:18,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:38:18,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:38:18,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:38:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-11-03 02:38:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-11-03 02:38:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:38:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:38:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure index_prepare_for_write [2022-11-03 02:38:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure index_prepare_for_write [2022-11-03 02:38:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure index_check [2022-11-03 02:38:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure index_check [2022-11-03 02:38:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-03 02:38:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-03 02:38:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:38:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:38:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:38:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-11-03 02:38:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-11-03 02:38:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:38:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:38:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:38:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:38:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bufio_get_block_number [2022-11-03 02:38:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bufio_get_block_number [2022-11-03 02:38:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-11-03 02:38:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-11-03 02:38:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure to_buffer [2022-11-03 02:38:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure to_buffer [2022-11-03 02:38:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:38:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-11-03 02:38:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-11-03 02:38:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-03 02:38:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-03 02:38:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_check [2022-11-03 02:38:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_check [2022-11-03 02:38:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:38:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_prepare_for_write [2022-11-03 02:38:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_prepare_for_write [2022-11-03 02:38:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:38:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:38:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:38:18,853 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:38:18,861 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:38:19,399 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:38:19,557 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:38:19,558 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:38:19,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:38:19 BoogieIcfgContainer [2022-11-03 02:38:19,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:38:19,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:38:19,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:38:19,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:38:19,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:38:14" (1/3) ... [2022-11-03 02:38:19,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37067579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:38:19, skipping insertion in model container [2022-11-03 02:38:19,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:38:18" (2/3) ... [2022-11-03 02:38:19,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37067579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:38:19, skipping insertion in model container [2022-11-03 02:38:19,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:38:19" (3/3) ... [2022-11-03 02:38:19,576 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2022-11-03 02:38:19,597 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:38:19,597 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:38:19,684 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:38:19,690 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;@54a66731, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:38:19,691 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:38:19,697 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) [2022-11-03 02:38:19,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:38:19,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:19,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:19,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:38:19,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:19,713 INFO L85 PathProgramCache]: Analyzing trace with hash 788173830, now seen corresponding path program 1 times [2022-11-03 02:38:19,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:19,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091451392] [2022-11-03 02:38:19,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:19,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:38:20,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:20,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091451392] [2022-11-03 02:38:20,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091451392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:20,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:20,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:38:20,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582770218] [2022-11-03 02:38:20,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:20,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:38:20,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:20,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:38:20,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:38:20,208 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) [2022-11-03 02:38:20,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:20,336 INFO L93 Difference]: Finished difference Result 118 states and 150 transitions. [2022-11-03 02:38:20,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:38:20,340 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 [2022-11-03 02:38:20,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:20,353 INFO L225 Difference]: With dead ends: 118 [2022-11-03 02:38:20,354 INFO L226 Difference]: Without dead ends: 104 [2022-11-03 02:38:20,358 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 [2022-11-03 02:38:20,364 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 [2022-11-03 02:38:20,365 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] [2022-11-03 02:38:20,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-03 02:38:20,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-03 02:38:20,448 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) [2022-11-03 02:38:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2022-11-03 02:38:20,459 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 10 [2022-11-03 02:38:20,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:20,460 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2022-11-03 02:38:20,461 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) [2022-11-03 02:38:20,461 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2022-11-03 02:38:20,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:38:20,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:20,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:20,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:38:20,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:38:20,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:20,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1336595812, now seen corresponding path program 1 times [2022-11-03 02:38:20,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:20,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644467953] [2022-11-03 02:38:20,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:20,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:38:20,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:20,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644467953] [2022-11-03 02:38:20,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644467953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:20,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:20,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:38:20,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20978760] [2022-11-03 02:38:20,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:20,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:38:20,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:20,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:38:20,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:38:20,682 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) [2022-11-03 02:38:20,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:20,778 INFO L93 Difference]: Finished difference Result 104 states and 132 transitions. [2022-11-03 02:38:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:38:20,779 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 [2022-11-03 02:38:20,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:20,780 INFO L225 Difference]: With dead ends: 104 [2022-11-03 02:38:20,780 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:38:20,781 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 [2022-11-03 02:38:20,783 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:20,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 115 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:38:20,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:38:20,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:38:20,785 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) [2022-11-03 02:38:20,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:38:20,786 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-03 02:38:20,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:20,786 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:38:20,786 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) [2022-11-03 02:38:20,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:38:20,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:38:20,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:38:20,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:38:20,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:38:21,070 INFO L902 garLoopResultBuilder]: At program point index_checkENTRY(lines 5903 5941) the Hoare annotation is: true [2022-11-03 02:38:21,071 INFO L902 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: true [2022-11-03 02:38:21,071 INFO L899 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2022-11-03 02:38:21,071 INFO L902 garLoopResultBuilder]: At program point L5915(line 5915) the Hoare annotation is: true [2022-11-03 02:38:21,071 INFO L899 garLoopResultBuilder]: For program point L5915-1(line 5915) no Hoare annotation was computed. [2022-11-03 02:38:21,072 INFO L902 garLoopResultBuilder]: At program point L5917(line 5917) the Hoare annotation is: true [2022-11-03 02:38:21,072 INFO L899 garLoopResultBuilder]: For program point L5917-1(line 5917) no Hoare annotation was computed. [2022-11-03 02:38:21,072 INFO L902 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: true [2022-11-03 02:38:21,072 INFO L899 garLoopResultBuilder]: For program point L5913-1(line 5913) no Hoare annotation was computed. [2022-11-03 02:38:21,072 INFO L902 garLoopResultBuilder]: At program point L5930(line 5930) the Hoare annotation is: true [2022-11-03 02:38:21,073 INFO L899 garLoopResultBuilder]: For program point L5930-1(line 5930) no Hoare annotation was computed. [2022-11-03 02:38:21,073 INFO L899 garLoopResultBuilder]: For program point L5918(lines 5918 5923) no Hoare annotation was computed. [2022-11-03 02:38:21,073 INFO L899 garLoopResultBuilder]: For program point L5916(lines 5916 5926) no Hoare annotation was computed. [2022-11-03 02:38:21,073 INFO L899 garLoopResultBuilder]: For program point L5918-2(lines 5918 5923) no Hoare annotation was computed. [2022-11-03 02:38:21,073 INFO L899 garLoopResultBuilder]: For program point index_checkEXIT(lines 5903 5941) no Hoare annotation was computed. [2022-11-03 02:38:21,074 INFO L902 garLoopResultBuilder]: At program point L5927(lines 5927 5928) the Hoare annotation is: true [2022-11-03 02:38:21,074 INFO L899 garLoopResultBuilder]: For program point index_checkFINAL(lines 5903 5941) no Hoare annotation was computed. [2022-11-03 02:38:21,074 INFO L899 garLoopResultBuilder]: For program point L5927-1(lines 5927 5928) no Hoare annotation was computed. [2022-11-03 02:38:21,074 INFO L899 garLoopResultBuilder]: For program point L5929(lines 5929 5938) no Hoare annotation was computed. [2022-11-03 02:38:21,074 INFO L902 garLoopResultBuilder]: At program point dm_bufio_get_block_numberENTRY(lines 11636 11638) the Hoare annotation is: true [2022-11-03 02:38:21,075 INFO L899 garLoopResultBuilder]: For program point dm_bufio_get_block_numberEXIT(lines 11636 11638) no Hoare annotation was computed. [2022-11-03 02:38:21,075 INFO L902 garLoopResultBuilder]: At program point L5371(line 5371) the Hoare annotation is: true [2022-11-03 02:38:21,075 INFO L902 garLoopResultBuilder]: At program point L11633-1(line 11633) the Hoare annotation is: true [2022-11-03 02:38:21,075 INFO L899 garLoopResultBuilder]: For program point L5371-1(line 5371) no Hoare annotation was computed. [2022-11-03 02:38:21,075 INFO L902 garLoopResultBuilder]: At program point L11633(line 11633) the Hoare annotation is: true [2022-11-03 02:38:21,076 INFO L899 garLoopResultBuilder]: For program point dm_block_dataEXIT(lines 5366 5375) no Hoare annotation was computed. [2022-11-03 02:38:21,076 INFO L902 garLoopResultBuilder]: At program point dm_block_dataENTRY(lines 5366 5375) the Hoare annotation is: true [2022-11-03 02:38:21,076 INFO L902 garLoopResultBuilder]: At program point dm_bm_checksumENTRY(lines 5773 5780) the Hoare annotation is: true [2022-11-03 02:38:21,076 INFO L899 garLoopResultBuilder]: For program point dm_bm_checksumEXIT(lines 5773 5780) no Hoare annotation was computed. [2022-11-03 02:38:21,076 INFO L899 garLoopResultBuilder]: For program point index_prepare_for_writeEXIT(lines 5889 5902) no Hoare annotation was computed. [2022-11-03 02:38:21,077 INFO L902 garLoopResultBuilder]: At program point L5898(lines 5898 5899) the Hoare annotation is: true [2022-11-03 02:38:21,077 INFO L902 garLoopResultBuilder]: At program point index_prepare_for_writeENTRY(lines 5889 5902) the Hoare annotation is: true [2022-11-03 02:38:21,077 INFO L902 garLoopResultBuilder]: At program point L5895(line 5895) the Hoare annotation is: true [2022-11-03 02:38:21,077 INFO L899 garLoopResultBuilder]: For program point L5895-1(line 5895) no Hoare annotation was computed. [2022-11-03 02:38:21,077 INFO L902 garLoopResultBuilder]: At program point L5897(line 5897) the Hoare annotation is: true [2022-11-03 02:38:21,078 INFO L899 garLoopResultBuilder]: For program point L5898-1(lines 5898 5899) no Hoare annotation was computed. [2022-11-03 02:38:21,078 INFO L899 garLoopResultBuilder]: For program point L5897-1(line 5897) no Hoare annotation was computed. [2022-11-03 02:38:21,078 INFO L899 garLoopResultBuilder]: For program point ldv_handler_precallEXIT(lines 11666 11668) no Hoare annotation was computed. [2022-11-03 02:38:21,078 INFO L902 garLoopResultBuilder]: At program point ldv_handler_precallFINAL(lines 11666 11668) the Hoare annotation is: true [2022-11-03 02:38:21,079 INFO L902 garLoopResultBuilder]: At program point L5951(line 5951) the Hoare annotation is: true [2022-11-03 02:38:21,079 INFO L899 garLoopResultBuilder]: For program point L5952-1(lines 5952 5953) no Hoare annotation was computed. [2022-11-03 02:38:21,079 INFO L899 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2022-11-03 02:38:21,079 INFO L902 garLoopResultBuilder]: At program point bitmap_prepare_for_writeENTRY(lines 5943 5956) the Hoare annotation is: true [2022-11-03 02:38:21,079 INFO L902 garLoopResultBuilder]: At program point L5952(lines 5952 5953) the Hoare annotation is: true [2022-11-03 02:38:21,080 INFO L902 garLoopResultBuilder]: At program point L5949(line 5949) the Hoare annotation is: true [2022-11-03 02:38:21,080 INFO L899 garLoopResultBuilder]: For program point L5949-1(line 5949) no Hoare annotation was computed. [2022-11-03 02:38:21,080 INFO L899 garLoopResultBuilder]: For program point bitmap_prepare_for_writeEXIT(lines 5943 5956) no Hoare annotation was computed. [2022-11-03 02:38:21,080 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 4859 4868) the Hoare annotation is: true [2022-11-03 02:38:21,080 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 4859 4868) no Hoare annotation was computed. [2022-11-03 02:38:21,081 INFO L902 garLoopResultBuilder]: At program point L5361(line 5361) the Hoare annotation is: true [2022-11-03 02:38:21,081 INFO L899 garLoopResultBuilder]: For program point L5362-1(line 5362) no Hoare annotation was computed. [2022-11-03 02:38:21,081 INFO L899 garLoopResultBuilder]: For program point dm_block_locationEXIT(lines 5356 5365) no Hoare annotation was computed. [2022-11-03 02:38:21,081 INFO L899 garLoopResultBuilder]: For program point L5361-1(line 5361) no Hoare annotation was computed. [2022-11-03 02:38:21,081 INFO L902 garLoopResultBuilder]: At program point dm_block_locationENTRY(lines 5356 5365) the Hoare annotation is: true [2022-11-03 02:38:21,082 INFO L902 garLoopResultBuilder]: At program point L5362(line 5362) the Hoare annotation is: true [2022-11-03 02:38:21,082 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 11348 11353) the Hoare annotation is: true [2022-11-03 02:38:21,082 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11351) no Hoare annotation was computed. [2022-11-03 02:38:21,082 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 11348 11353) no Hoare annotation was computed. [2022-11-03 02:38:21,082 INFO L899 garLoopResultBuilder]: For program point to_bufferEXIT(lines 5350 5355) no Hoare annotation was computed. [2022-11-03 02:38:21,083 INFO L902 garLoopResultBuilder]: At program point to_bufferENTRY(lines 5350 5355) the Hoare annotation is: true [2022-11-03 02:38:21,083 INFO L902 garLoopResultBuilder]: At program point ldv_check_final_stateENTRY(lines 11583 11596) the Hoare annotation is: true [2022-11-03 02:38:21,083 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))) [2022-11-03 02:38:21,083 INFO L899 garLoopResultBuilder]: For program point L11588-1(lines 11585 11595) no Hoare annotation was computed. [2022-11-03 02:38:21,084 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))) [2022-11-03 02:38:21,084 INFO L899 garLoopResultBuilder]: For program point ldv_check_final_stateEXIT(lines 11583 11596) no Hoare annotation was computed. [2022-11-03 02:38:21,084 INFO L899 garLoopResultBuilder]: For program point L11592-1(lines 11583 11596) no Hoare annotation was computed. [2022-11-03 02:38:21,084 INFO L899 garLoopResultBuilder]: For program point L6782(line 6782) no Hoare annotation was computed. [2022-11-03 02:38:21,085 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)) [2022-11-03 02:38:21,085 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 02:38:21,085 INFO L902 garLoopResultBuilder]: At program point L6771(line 6771) the Hoare annotation is: true [2022-11-03 02:38:21,085 INFO L899 garLoopResultBuilder]: For program point L6788(line 6788) no Hoare annotation was computed. [2022-11-03 02:38:21,085 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:38:21,085 INFO L899 garLoopResultBuilder]: For program point L6784(line 6784) no Hoare annotation was computed. [2022-11-03 02:38:21,086 INFO L899 garLoopResultBuilder]: For program point L6780(line 6780) no Hoare annotation was computed. [2022-11-03 02:38:21,086 INFO L899 garLoopResultBuilder]: For program point L6776(line 6776) no Hoare annotation was computed. [2022-11-03 02:38:21,086 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)) [2022-11-03 02:38:21,086 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)) [2022-11-03 02:38:21,087 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)) [2022-11-03 02:38:21,087 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)) [2022-11-03 02:38:21,087 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)) [2022-11-03 02:38:21,087 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)) [2022-11-03 02:38:21,087 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)) [2022-11-03 02:38:21,088 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)) [2022-11-03 02:38:21,088 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)) [2022-11-03 02:38:21,088 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)) [2022-11-03 02:38:21,088 INFO L895 garLoopResultBuilder]: At program point L6802-1(line 6802) the Hoare annotation is: (= ~ldv_mutex_lock~0 1) [2022-11-03 02:38:21,089 INFO L899 garLoopResultBuilder]: For program point L6790(line 6790) no Hoare annotation was computed. [2022-11-03 02:38:21,089 INFO L902 garLoopResultBuilder]: At program point ldv_initializeENTRY(lines 11575 11582) the Hoare annotation is: true [2022-11-03 02:38:21,089 INFO L899 garLoopResultBuilder]: For program point ldv_initializeEXIT(lines 11575 11582) no Hoare annotation was computed. [2022-11-03 02:38:21,089 INFO L899 garLoopResultBuilder]: For program point ___ratelimitEXIT(lines 11598 11600) no Hoare annotation was computed. [2022-11-03 02:38:21,089 INFO L902 garLoopResultBuilder]: At program point ___ratelimitENTRY(lines 11598 11600) the Hoare annotation is: true [2022-11-03 02:38:21,090 INFO L899 garLoopResultBuilder]: For program point L5983(lines 5983 5992) no Hoare annotation was computed. [2022-11-03 02:38:21,090 INFO L902 garLoopResultBuilder]: At program point L5981(lines 5981 5982) the Hoare annotation is: true [2022-11-03 02:38:21,090 INFO L899 garLoopResultBuilder]: For program point L5981-1(lines 5981 5982) no Hoare annotation was computed. [2022-11-03 02:38:21,090 INFO L902 garLoopResultBuilder]: At program point L5971(line 5971) the Hoare annotation is: true [2022-11-03 02:38:21,090 INFO L902 garLoopResultBuilder]: At program point bitmap_checkENTRY(lines 5957 5995) the Hoare annotation is: true [2022-11-03 02:38:21,091 INFO L899 garLoopResultBuilder]: For program point L5971-1(line 5971) no Hoare annotation was computed. [2022-11-03 02:38:21,091 INFO L902 garLoopResultBuilder]: At program point L5973(line 5973) the Hoare annotation is: true [2022-11-03 02:38:21,091 INFO L899 garLoopResultBuilder]: For program point L5973-1(line 5973) no Hoare annotation was computed. [2022-11-03 02:38:21,091 INFO L902 garLoopResultBuilder]: At program point L5967(line 5967) the Hoare annotation is: true [2022-11-03 02:38:21,091 INFO L899 garLoopResultBuilder]: For program point L5967-1(line 5967) no Hoare annotation was computed. [2022-11-03 02:38:21,092 INFO L902 garLoopResultBuilder]: At program point L5969(line 5969) the Hoare annotation is: true [2022-11-03 02:38:21,092 INFO L899 garLoopResultBuilder]: For program point L5969-1(line 5969) no Hoare annotation was computed. [2022-11-03 02:38:21,092 INFO L899 garLoopResultBuilder]: For program point L5984-1(line 5984) no Hoare annotation was computed. [2022-11-03 02:38:21,092 INFO L899 garLoopResultBuilder]: For program point bitmap_checkEXIT(lines 5957 5995) no Hoare annotation was computed. [2022-11-03 02:38:21,092 INFO L902 garLoopResultBuilder]: At program point L5984(line 5984) the Hoare annotation is: true [2022-11-03 02:38:21,093 INFO L899 garLoopResultBuilder]: For program point L5970(lines 5970 5980) no Hoare annotation was computed. [2022-11-03 02:38:21,093 INFO L899 garLoopResultBuilder]: For program point L5972-2(lines 5972 5977) no Hoare annotation was computed. [2022-11-03 02:38:21,093 INFO L899 garLoopResultBuilder]: For program point L5972(lines 5972 5977) no Hoare annotation was computed. [2022-11-03 02:38:21,093 INFO L899 garLoopResultBuilder]: For program point bitmap_checkFINAL(lines 5957 5995) no Hoare annotation was computed. [2022-11-03 02:38:21,096 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 02:38:21,099 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:38:21,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:38:21 BoogieIcfgContainer [2022-11-03 02:38:21,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:38:21,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:38:21,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:38:21,113 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:38:21,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:38:19" (3/4) ... [2022-11-03 02:38:21,120 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:38:21,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure index_check [2022-11-03 02:38:21,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_bufio_get_block_number [2022-11-03 02:38:21,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_data [2022-11-03 02:38:21,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_bm_checksum [2022-11-03 02:38:21,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure index_prepare_for_write [2022-11-03 02:38:21,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2022-11-03 02:38:21,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_prepare_for_write [2022-11-03 02:38:21,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-03 02:38:21,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_location [2022-11-03 02:38:21,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-03 02:38:21,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure to_buffer [2022-11-03 02:38:21,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2022-11-03 02:38:21,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2022-11-03 02:38:21,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ___ratelimit [2022-11-03 02:38:21,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_check [2022-11-03 02:38:21,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2022-11-03 02:38:21,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2022-11-03 02:38:21,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-03 02:38:21,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 02:38:21,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 02:38:21,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:38:21,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:38:21,227 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:38:21,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:38:21,228 INFO L158 Benchmark]: Toolchain (without parser) took 6822.39ms. Allocated memory was 123.7MB in the beginning and 266.3MB in the end (delta: 142.6MB). Free memory was 75.1MB in the beginning and 153.9MB in the end (delta: -78.7MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-11-03 02:38:21,228 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:38:21,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3639.32ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 74.7MB in the beginning and 65.8MB in the end (delta: 8.9MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2022-11-03 02:38:21,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 219.52ms. Allocated memory is still 165.7MB. Free memory was 65.8MB in the beginning and 56.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:38:21,229 INFO L158 Benchmark]: Boogie Preprocessor took 119.75ms. Allocated memory is still 165.7MB. Free memory was 56.6MB in the beginning and 93.8MB in the end (delta: -37.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-11-03 02:38:21,230 INFO L158 Benchmark]: RCFGBuilder took 1174.94ms. Allocated memory was 165.7MB in the beginning and 266.3MB in the end (delta: 100.7MB). Free memory was 93.8MB in the beginning and 177.9MB in the end (delta: -84.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2022-11-03 02:38:21,230 INFO L158 Benchmark]: TraceAbstraction took 1547.51ms. Allocated memory is still 266.3MB. Free memory was 176.9MB in the beginning and 161.2MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-11-03 02:38:21,231 INFO L158 Benchmark]: Witness Printer took 114.46ms. Allocated memory is still 266.3MB. Free memory was 161.2MB in the beginning and 153.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:38:21,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3639.32ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 74.7MB in the beginning and 65.8MB in the end (delta: 8.9MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 219.52ms. Allocated memory is still 165.7MB. Free memory was 65.8MB in the beginning and 56.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.75ms. Allocated memory is still 165.7MB. Free memory was 56.6MB in the beginning and 93.8MB in the end (delta: -37.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1174.94ms. Allocated memory was 165.7MB in the beginning and 266.3MB in the end (delta: 100.7MB). Free memory was 93.8MB in the beginning and 177.9MB in the end (delta: -84.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1547.51ms. Allocated memory is still 266.3MB. Free memory was 176.9MB in the beginning and 161.2MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 114.46ms. Allocated memory is still 266.3MB. Free memory was 161.2MB in the beginning and 153.9MB in the end (delta: 7.3MB). 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: 0.1s 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! [2022-11-03 02:38:21,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e92a995-e5f0-4b93-8900-837fa68f6553/bin/utaipan-7li7fVZpFI/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