./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:26:31,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:26:31,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:26:31,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:26:31,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:26:31,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:26:31,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:26:31,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:26:31,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:26:31,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:26:31,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:26:31,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:26:31,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:26:31,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:26:31,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:26:31,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:26:31,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:26:31,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:26:31,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:26:31,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:26:31,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:26:31,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:26:31,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:26:31,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:26:31,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:26:31,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:26:31,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:26:31,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:26:31,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:26:31,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:26:31,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:26:31,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:26:31,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:26:31,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:26:31,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:26:31,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:26:31,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:26:31,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:26:31,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:26:31,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:26:31,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:26:31,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 00:26:31,503 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:26:31,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:26:31,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:26:31,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:26:31,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:26:31,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:26:31,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:26:31,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:26:31,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:26:31,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:26:31,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:26:31,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:26:31,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:26:31,507 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:26:31,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:26:31,508 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:26:31,508 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:26:31,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:26:31,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:26:31,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:26:31,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:26:31,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:26:31,509 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:26:31,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:26:31,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:26:31,510 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_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 [2021-11-23 00:26:31,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:26:31,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:26:31,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:26:31,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:26:31,788 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:26:31,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2021-11-23 00:26:31,874 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/data/b14efea8a/2bb06afa01a343af95580a9df476045a/FLAGdcedebbc9 [2021-11-23 00:26:33,229 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:26:33,230 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2021-11-23 00:26:33,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/data/b14efea8a/2bb06afa01a343af95580a9df476045a/FLAGdcedebbc9 [2021-11-23 00:26:33,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/data/b14efea8a/2bb06afa01a343af95580a9df476045a [2021-11-23 00:26:33,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:26:33,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:26:33,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:26:33,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:26:33,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:26:33,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:26:33" (1/1) ... [2021-11-23 00:26:33,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e71dbde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:33, skipping insertion in model container [2021-11-23 00:26:33,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:26:33" (1/1) ... [2021-11-23 00:26:33,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:26:34,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:26:37,573 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_d2eafedf-2744-4483-a6d8-633c8a581f0a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2021-11-23 00:26:48,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:26:48,340 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:26:48,716 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_d2eafedf-2744-4483-a6d8-633c8a581f0a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2021-11-23 00:26:50,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:26:50,836 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:26:50,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:50 WrapperNode [2021-11-23 00:26:50,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:26:50,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:26:50,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:26:50,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:26:50,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:50" (1/1) ... [2021-11-23 00:26:51,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:50" (1/1) ... [2021-11-23 00:26:51,529 INFO L137 Inliner]: procedures = 895, calls = 20422, calls flagged for inlining = 343, calls inlined = 11, statements flattened = 2906 [2021-11-23 00:26:51,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:26:51,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:26:51,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:26:51,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:26:51,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:50" (1/1) ... [2021-11-23 00:26:51,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:50" (1/1) ... [2021-11-23 00:26:51,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:50" (1/1) ... [2021-11-23 00:26:51,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:50" (1/1) ... [2021-11-23 00:26:51,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:50" (1/1) ... [2021-11-23 00:26:51,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:50" (1/1) ... [2021-11-23 00:26:51,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:50" (1/1) ... [2021-11-23 00:26:51,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:26:51,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:26:51,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:26:51,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:26:51,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:50" (1/1) ... [2021-11-23 00:26:51,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:26:51,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:26:51,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:26:51,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:26:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:26:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:26:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:26:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:26:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 00:26:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 00:26:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_open [2021-11-23 00:26:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_open [2021-11-23 00:26:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2021-11-23 00:26:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2021-11-23 00:26:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 00:26:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 00:26:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 00:26:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2021-11-23 00:26:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2021-11-23 00:26:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_release [2021-11-23 00:26:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_release [2021-11-23 00:26:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:26:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:26:52,263 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:26:52,265 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:26:52,447 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 00:27:58,730 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2021-11-23 00:27:58,730 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2021-11-23 00:27:58,772 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:27:59,386 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:27:59,386 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:27:59,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:59 BoogieIcfgContainer [2021-11-23 00:27:59,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:27:59,390 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:27:59,390 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:27:59,401 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:27:59,401 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:59" (1/1) ... [2021-11-23 00:27:59,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:27:59,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2021-11-23 00:27:59,486 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2021-11-23 00:27:59,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:27:59,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:59,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2021-11-23 00:28:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2021-11-23 00:28:01,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:28:01,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:01,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:03,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:28:03,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 52 states and 72 transitions. [2021-11-23 00:28:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2021-11-23 00:28:03,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:28:03,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:03,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:03,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2021-11-23 00:28:03,659 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2021-11-23 00:28:03,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:28:03,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:03,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:04,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:04,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:04,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 80 transitions. [2021-11-23 00:28:04,141 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-11-23 00:28:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:04,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:04,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:04,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:04,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2021-11-23 00:28:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2021-11-23 00:28:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:04,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:04,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:05,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 59 states and 80 transitions. [2021-11-23 00:28:05,089 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2021-11-23 00:28:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:28:05,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:05,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:28:07,398 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:28:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:28:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:28:12,152 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:28:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:28:14,440 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2021-11-23 00:28:14,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:28:14 ImpRootNode [2021-11-23 00:28:14,594 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:28:14,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:28:14,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:28:14,596 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:28:14,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:59" (3/4) ... [2021-11-23 00:28:14,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 00:28:14,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:28:14,603 INFO L158 Benchmark]: Toolchain (without parser) took 100909.57ms. Allocated memory was 119.5MB in the beginning and 843.1MB in the end (delta: 723.5MB). Free memory was 52.1MB in the beginning and 660.4MB in the end (delta: -608.3MB). Peak memory consumption was 114.8MB. Max. memory is 16.1GB. [2021-11-23 00:28:14,604 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:28:14,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 17140.96ms. Allocated memory was 119.5MB in the beginning and 501.2MB in the end (delta: 381.7MB). Free memory was 51.6MB in the beginning and 239.4MB in the end (delta: -187.8MB). Peak memory consumption was 274.7MB. Max. memory is 16.1GB. [2021-11-23 00:28:14,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 692.26ms. Allocated memory is still 501.2MB. Free memory was 239.4MB in the beginning and 196.4MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 00:28:14,612 INFO L158 Benchmark]: Boogie Preprocessor took 143.63ms. Allocated memory is still 501.2MB. Free memory was 196.4MB in the beginning and 183.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:28:14,614 INFO L158 Benchmark]: RCFGBuilder took 67714.55ms. Allocated memory was 501.2MB in the beginning and 843.1MB in the end (delta: 341.8MB). Free memory was 183.8MB in the beginning and 706.2MB in the end (delta: -522.4MB). Peak memory consumption was 438.3MB. Max. memory is 16.1GB. [2021-11-23 00:28:14,614 INFO L158 Benchmark]: CodeCheck took 15203.73ms. Allocated memory is still 843.1MB. Free memory was 706.2MB in the beginning and 660.4MB in the end (delta: 45.8MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2021-11-23 00:28:14,615 INFO L158 Benchmark]: Witness Printer took 7.29ms. Allocated memory is still 843.1MB. Free memory is still 660.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:28:14,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 309 SdHoareTripleChecker+Valid, 11.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 490 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 290 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 200 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 674 GetRequests, 664 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 10085]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 30360. Possible FailurePath: [L10081] int LDV_IN_INTERRUPT ; [L10089] int ldv_module_refcounter = 1; [L10213] struct proc_dir_entry *drbd_proc ; [L10278-L10307] struct file_operations const drbd_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & drbd_proc_open, (int (*)(struct file * , fl_owner_t ))0, & drbd_proc_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L11265] rwlock_t global_state_lock ; [L22328-L22383] static struct data_cmd drbd_cmd_handler[43U] = { {1, 32UL, & receive_Data}, {1, 32UL, & receive_DataReply}, {1, 32UL, & receive_RSDataReply}, {0, 16UL, & receive_Barrier}, {1, 8UL, & receive_bitmap}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 8UL, & receive_UnplugRemote}, {0, 32UL, & receive_DataRequest}, {0, 32UL, & receive_DataRequest}, {1, 8UL, & receive_SyncParam}, {1, 32UL, & receive_protocol}, {0, 56UL, & receive_uuids}, {0, 40UL, & receive_sizes}, {0, 12UL, & receive_state}, {0, 16UL, & receive_sync_uuid}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 16UL, & receive_req_state}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 32UL, & receive_DataRequest}, {1, 32UL, & receive_DataRequest}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {1, 32UL, & receive_DataRequest}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {1, 8UL, & receive_SyncParam}, {1, 8UL, & receive_bitmap}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 16UL, & receive_skip}, {0, 24UL, & receive_out_of_sync}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}, {0, 0UL, (int (*)(struct drbd_conf * , enum drbd_packets , unsigned int ))0}}; [L29586] int disable_sendpage ; [L29587] int allow_oos ; [L29589] int enable_faults ; [L29590] int fault_rate ; [L29591] int fault_devs ; [L29593] struct drbd_conf **minor_table ; [L29657] struct kmem_cache *drbd_request_cache ; [L29658] struct kmem_cache *drbd_ee_cache ; [L29659] struct kmem_cache *drbd_bm_ext_cache ; [L29660] struct kmem_cache *drbd_al_ext_cache ; [L29661] mempool_t *drbd_request_mempool ; [L29662] mempool_t *drbd_ee_mempool ; [L29663] struct page *drbd_pp_pool ; [L29664] spinlock_t drbd_pp_lock ; [L29665] int drbd_pp_vacant ; [L29666] wait_queue_head_t drbd_pp_wait ; [L29669] int proc_details ; [L30357-L30365] static struct mutex drbd_main_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_main_mutex.wait_lock", 0, 0UL}}}}, {& drbd_main_mutex.wait_list, & drbd_main_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& drbd_main_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_main_mutex", 0, 0UL}}; [L30376] static int fault_count ; [L30377] unsigned int minor_count = 32U; [L30378] unsigned int cn_idx = 8U; [L30379-L30383] char usermode_helper[80U] = { (char )'/', (char )'s', (char )'b', (char )'i', (char )'n', (char )'/', (char )'d', (char )'r', (char )'b', (char )'d', (char )'a', (char )'d', (char )'m', (char )'\000'}; [L30384-L30389] struct ratelimit_state drbd_ratelimit_state = {{{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "drbd_ratelimit_state.lock", 0, 0UL}}}}, 1250, 5, 0, 0, 0UL}; [L30390-L30401] static struct block_device_operations const drbd_ops = {& drbd_open, & drbd_release, (int (*)(struct block_device * , fmode_t , unsigned int , unsigned long ))0, (int (*)(struct block_device * , fmode_t , unsigned int , unsigned long ))0, (int (*)(struct block_device * , sector_t , void ** , unsigned long * ))0, (unsigned int (*)(struct gendisk * , unsigned int ))0, (int (*)(struct gendisk * ))0, (void (*)(struct gendisk * ))0, (int (*)(struct gendisk * ))0, (int (*)(struct block_device * , struct hd_geometry * ))0, (void (*)(struct block_device * , unsigned long ))0, & __this_module}; [L36025] static struct notifier_block drbd_notifier = {& drbd_notify_sys, (struct notifier_block *)0, 0}; [L37468-L37474] static char const *drbd_conn_s_names[24U] = { "StandAlone", "Disconnecting", "Unconnected", "Timeout", "BrokenPipe", "NetworkFailure", "ProtocolError", "TearDown", "WFConnection", "WFReportParams", "Connected", "StartingSyncS", "StartingSyncT", "WFBitMapS", "WFBitMapT", "WFSyncUUID", "SyncSource", "SyncTarget", "VerifyS", "VerifyT", "PausedSyncS", "PausedSyncT", "Ahead", "Behind"}; [L37475] static char const *drbd_role_s_names[3U] = { "Unknown", "Primary", "Secondary"}; [L37476-L37479] static char const *drbd_disk_s_names[9U] = { "Diskless", "Attaching", "Failed", "Negotiating", "Inconsistent", "Outdated", "DUnknown", "Consistent", "UpToDate"}; [L37480-L37485] static char const *drbd_state_sw_errors[20U] = { (char const *)0, "Multiple primaries not allowed by config", "Need access to UpToDate data", (char const *)0, "Can not resync without local disk", "Can not resync without remote disk", "Refusing to be Outdated while Connected", "Refusing to be Primary while peer is not outdated", "Can not start OV/resync since it is already active", "Can not disconnect a StandAlone device", "State change was refused by peer node", "Device is diskless, the requested operation requires a disk", "Device is held open by someone", "Have no net/connection configuration", "Need a verify algorithm to start online verify", "Need a connection to start verify or resync", "Disk state is lower than outdated", "Peer does not support protocol", "In transient state, retry after next state change", "Concurrent state changes detected and aborted"}; [L37804-L37889] static struct tag const tag_descriptions[85U] = { {(char const *)0, 0, 0}, {"primary_force", 32768, 4}, {"disk_size", 16384, 8}, {"backing_dev", 57344, 128}, {"meta_dev", 57344, 128}, {"meta_dev_idx", 8192, 4}, {"on_io_error", 0, 4}, {"fencing", 0, 4}, {"my_addr", 57344, 128}, {"peer_addr", 57344, 128}, {"shared_secret", 49152, 64}, {"cram_hmac_alg", 49152, 64}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {"timeout", 0, 4}, {"wire_protocol", 8192, 4}, {"try_connect_int", 0, 4}, {"ping_int", 0, 4}, {"max_epoch_size", 0, 4}, {"max_buffers", 0, 4}, {"unplug_watermark", 0, 4}, {"sndbuf_size", 0, 4}, {"ko_count", 0, 4}, {(char const *)0, 0, 0}, {"after_sb_0p", 0, 4}, {"after_sb_1p", 0, 4}, {"after_sb_2p", 0, 4}, {"want_lose", 32768, 4}, {"two_primaries", 32768, 4}, {"resize_size", 16384, 8}, {"rate", 0, 4}, {"after", 0, 4}, {"al_extents", 0, 4}, {"state_i", 0, 4}, {"uuids", 49152, 32}, {"uuids_flags", 0, 4}, {"use_degraded", 32768, 4}, {"use_bmbv", 32768, 4}, {"helper", 49152, 32}, {"rr_conflict", 0, 4}, {"ping_timeo", 0, 4}, {"always_asbp", 32768, 4}, {(char const *)0, 0, 0}, {"sync_progress", 0, 4}, {"integrity_alg", 49152, 64}, {"dump_ee_reason", 49152, 32}, {"seen_digest", 49152, 64}, {"calc_digest", 49152, 64}, {"ee_sector", 16384, 8}, {"ee_block_id", 16384, 8}, {"ee_data", 49152, 32768}, {"cpu_mask", 49152, 32}, {"verify_alg", 49152, 64}, {"no_disk_flush", 32768, 4}, {"no_md_flush", 32768, 4}, {(char const *)0, 0, 0}, {"max_bio_bvecs", 0, 4}, {"no_disk_barrier", 32768, 4}, {"no_disk_drain", 32768, 4}, {(char const *)0, 0, 0}, {"mind_af", 40960, 4}, {"no_cork", 32768, 4}, {"auto_sndbuf_size", 40960, 4}, {"clear_bm", 40960, 4}, {"csums_alg", 49152, 64}, {"use_rle", 32768, 4}, {"start_sector", 16384, 8}, {"rcvbuf_size", 0, 4}, {"resize_force", 32768, 4}, {"no_resync", 40960, 4}, {"dry_run", 40960, 4}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {(char const *)0, 0, 0}, {"on_no_data", 0, 4}, {"c_plan_ahead", 0, 4}, {"c_delay_target", 0, 4}, {"c_fill_target", 0, 4}, {"c_max_rate", 0, 4}, {"c_min_rate", 0, 4}, {"on_congestion", 0, 4}, {"cong_fill", 0, 4}, {"cong_extents", 0, 4}, {"force", 32768, 4}}; [L37894] static char *drbd_m_holder = (char *)"Hands off! this is DRBD\'s meta data device."; [L48088-L48121] static struct cn_handler_struct cnd_table[27U] = { {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {& drbd_nl_primary, 0}, {& drbd_nl_secondary, 0}, {& drbd_nl_disk_conf, 0}, {& drbd_nl_detach, 0}, {& drbd_nl_net_conf, 0}, {& drbd_nl_disconnect, 0}, {& drbd_nl_resize, 0}, {& drbd_nl_syncer_conf, 0}, {& drbd_nl_invalidate, 0}, {& drbd_nl_invalidate_peer, 0}, {& drbd_nl_pause_sync, 0}, {& drbd_nl_resume_sync, 0}, {& drbd_nl_suspend_io, 0}, {& drbd_nl_resume_io, 0}, {& drbd_nl_outdate, 0}, {& drbd_nl_get_config, 1312}, {& drbd_nl_get_state, 16}, {& drbd_nl_get_uuids, 48}, {& drbd_nl_get_timeout_flag, 8}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {(int (*)(struct drbd_conf * , struct drbd_nl_cfg_req * , struct drbd_nl_cfg_reply * ))0, 0}, {& drbd_nl_start_ov, 0}, {& drbd_nl_new_c_uuid, 0}}; [L48229] static atomic_t drbd_nl_seq = {2}; [L10746] struct inode *var_group1 ; [L10747] struct file *var_group2 ; [L10748] int res_drbd_proc_open_4 ; [L10749] int ldv_s_drbd_proc_fops_file_operations ; [L10750] int tmp ; [L10751] int tmp___0 ; [L10754] ldv_s_drbd_proc_fops_file_operations = 0 [L10755] LDV_IN_INTERRUPT = 1 [L10756] FCALL ldv_initialize() [L10802] tmp___0 = __VERIFIER_nondet_int() [L10804] COND TRUE tmp___0 != 0 VAL [__this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1494:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1508:0}, tmp___0=1, usermode_helper={1500:0}] [L10761] tmp = __VERIFIER_nondet_int() [L10763] COND TRUE tmp == 0 VAL [__this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1494:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1508:0}, tmp=0, tmp___0=1, usermode_helper={1500:0}] [L10772] COND TRUE ldv_s_drbd_proc_fops_file_operations == 0 VAL [__this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1494:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1508:0}, tmp=0, tmp___0=1, usermode_helper={1500:0}] [L10774] CALL, EXPR drbd_proc_open(var_group1, var_group2) VAL [\old(ldv_module_refcounter)=1, __this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1494:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1508:0}, usermode_helper={1500:0}] [L10716] struct proc_dir_entry *tmp ; [L10717] int tmp___0 ; [L10718] int tmp___1 ; VAL [\old(ldv_module_refcounter)=1, __this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1725:1724}, file={1725:1724}, global_state_lock={1494:0}, inode={1728:-1355835689417652000667}, inode={1728:-1355835689417652000667}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1508:0}, usermode_helper={1500:0}] [L10721] CALL, EXPR ldv_try_module_get_1(& __this_module) VAL [\old(ldv_module_refcounter)=1, __this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1494:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1508:0}, usermode_helper={1500:0}] [L10821] int tmp ; [L10824] CALL, EXPR ldv_try_module_get(module) [L10101] int module_get_succeeded ; [L10103] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L10105] CALL, EXPR ldv_undefined_int() [L49395] return __VERIFIER_nondet_int(); [L10105] RET, EXPR ldv_undefined_int() [L10105] module_get_succeeded = ldv_undefined_int() [L10107] COND TRUE module_get_succeeded == 1 [L10108] ldv_module_refcounter = ldv_module_refcounter + 1 [L10109] return (1); [L10824] RET, EXPR ldv_try_module_get(module) [L10824] tmp = ldv_try_module_get(module) [L10826] return (tmp); [L10721] RET, EXPR ldv_try_module_get_1(& __this_module) VAL [\old(ldv_module_refcounter)=1, __this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1725:1724}, file={1725:1724}, global_state_lock={1494:0}, inode={1728:-1355835689417652000667}, inode={1728:-1355835689417652000667}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_try_module_get_1(& __this_module)=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1508:0}, usermode_helper={1500:0}] [L10721] tmp___1 = ldv_try_module_get_1(& __this_module) [L10723] COND TRUE tmp___1 != 0 [L10725] CALL, EXPR PDE((struct inode const *)inode) [L10179] struct proc_inode *tmp ; [L10182] CALL, EXPR PROC_I(inode) [L10172] struct inode const *__mptr ; [L10174] __mptr = inode [L10175] return ((struct proc_inode *)__mptr + 0x0fffffffffffffc0UL); [L10182] RET, EXPR PROC_I(inode) [L10182] tmp = PROC_I(inode) [L10184] EXPR tmp->pde [L10184] return (tmp->pde); [L10725] RET, EXPR PDE((struct inode const *)inode) [L10725] tmp = PDE((struct inode const *)inode) [L10726] EXPR tmp->data [L10726] CALL, EXPR single_open(file, & drbd_seq_show, tmp->data) [L49504] return __VERIFIER_nondet_int(); [L10726] RET, EXPR single_open(file, & drbd_seq_show, tmp->data) [L10726] tmp___0 = single_open(file, & drbd_seq_show, tmp->data) [L10728] return (tmp___0); [L10774] RET, EXPR drbd_proc_open(var_group1, var_group2) VAL [__this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_proc_open(var_group1, var_group2)=1, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1494:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1508:0}, tmp=0, tmp___0=1, usermode_helper={1500:0}, var_group1={1728:-1355835689417652000667}, var_group2={1725:1724}] [L10774] res_drbd_proc_open_4 = drbd_proc_open(var_group1, var_group2) [L10775] FCALL ldv_check_return_value(res_drbd_proc_open_4) [L10777] COND TRUE res_drbd_proc_open_4 != 0 VAL [__this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1494:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_drbd_proc_fops_file_operations=0, minor_count=32, minor_table={0:0}, proc_details=0, res_drbd_proc_open_4=1, tag_descriptions={1508:0}, tmp=0, tmp___0=1, usermode_helper={1500:0}, var_group1={1728:-1355835689417652000667}, var_group2={1725:1724}] [L10815] CALL ldv_check_final_state() [L10153] COND TRUE ldv_module_refcounter != 1 VAL [__this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1494:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1508:0}, usermode_helper={1500:0}] [L10155] CALL ldv_blast_assert() VAL [__this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1494:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1508:0}, usermode_helper={1500:0}] [L10085] reach_error() VAL [__this_module={-29271:29272}, allow_oos=0, cn_idx=8, cnd_table={1509:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1495:0}, drbd_conn_s_names={1504:0}, drbd_disk_s_names={1506:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1499:0}, drbd_nl_seq={1510:0}, drbd_notifier={1503:0}, drbd_ops={1502:0}, drbd_pp_lock={1497:0}, drbd_pp_pool={1496:0}, drbd_pp_vacant=0, drbd_pp_wait={1498:0}, drbd_proc={0:0}, drbd_proc_fops={1493:0}, drbd_ratelimit_state={1501:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1505:0}, drbd_state_sw_errors={1507:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1494:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1508:0}, usermode_helper={1500:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 17140.96ms. Allocated memory was 119.5MB in the beginning and 501.2MB in the end (delta: 381.7MB). Free memory was 51.6MB in the beginning and 239.4MB in the end (delta: -187.8MB). Peak memory consumption was 274.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 692.26ms. Allocated memory is still 501.2MB. Free memory was 239.4MB in the beginning and 196.4MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.63ms. Allocated memory is still 501.2MB. Free memory was 196.4MB in the beginning and 183.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 67714.55ms. Allocated memory was 501.2MB in the beginning and 843.1MB in the end (delta: 341.8MB). Free memory was 183.8MB in the beginning and 706.2MB in the end (delta: -522.4MB). Peak memory consumption was 438.3MB. Max. memory is 16.1GB. * CodeCheck took 15203.73ms. Allocated memory is still 843.1MB. Free memory was 706.2MB in the beginning and 660.4MB in the end (delta: 45.8MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Witness Printer took 7.29ms. Allocated memory is still 843.1MB. Free memory is still 660.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 00:28:14,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:17,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:17,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:17,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:17,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:17,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:17,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:17,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:17,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:17,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:17,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:17,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:17,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:17,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:17,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:17,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:17,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:17,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:17,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:17,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:17,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:17,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:17,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:17,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:17,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:17,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:17,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:17,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:17,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:17,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:17,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:17,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:17,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:17,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:17,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:17,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:17,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:17,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:17,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:17,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:17,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:17,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 00:28:17,379 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:17,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:17,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:28:17,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:28:17,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:17,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:17,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:17,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:17,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:28:17,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:17,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:28:17,384 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:28:17,384 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:28:17,384 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:28:17,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:28:17,384 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:17,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:28:17,385 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:17,385 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:17,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:17,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:17,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:17,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:17,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:28:17,387 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:28:17,387 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:28:17,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:28:17,388 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:28:17,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:28:17,388 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 [2021-11-23 00:28:17,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:17,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:17,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:17,773 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:17,774 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:17,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2021-11-23 00:28:17,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/data/1b929a6d0/08ec67761290415f83a26b3078f92a14/FLAG81faabeb9 [2021-11-23 00:28:19,571 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:19,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2021-11-23 00:28:19,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/data/1b929a6d0/08ec67761290415f83a26b3078f92a14/FLAG81faabeb9 [2021-11-23 00:28:19,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/data/1b929a6d0/08ec67761290415f83a26b3078f92a14 [2021-11-23 00:28:19,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:19,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:19,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:19,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:19,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:19,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:19" (1/1) ... [2021-11-23 00:28:19,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a24cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:19, skipping insertion in model container [2021-11-23 00:28:19,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:19" (1/1) ... [2021-11-23 00:28:19,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:20,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:23,947 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_d2eafedf-2744-4483-a6d8-633c8a581f0a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2021-11-23 00:28:36,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:36,676 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 00:28:36,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:37,170 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_d2eafedf-2744-4483-a6d8-633c8a581f0a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2021-11-23 00:28:38,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:38,340 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:38,671 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_d2eafedf-2744-4483-a6d8-633c8a581f0a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2021-11-23 00:28:40,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:40,666 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:40,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:40 WrapperNode [2021-11-23 00:28:40,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:40,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:40,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:40,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:40,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:40" (1/1) ... [2021-11-23 00:28:41,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:40" (1/1) ... [2021-11-23 00:28:41,353 INFO L137 Inliner]: procedures = 910, calls = 20421, calls flagged for inlining = 345, calls inlined = 11, statements flattened = 2894 [2021-11-23 00:28:41,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:41,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:41,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:41,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:41,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:40" (1/1) ... [2021-11-23 00:28:41,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:40" (1/1) ... [2021-11-23 00:28:41,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:40" (1/1) ... [2021-11-23 00:28:41,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:40" (1/1) ... [2021-11-23 00:28:41,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:40" (1/1) ... [2021-11-23 00:28:41,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:40" (1/1) ... [2021-11-23 00:28:41,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:40" (1/1) ... [2021-11-23 00:28:41,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:41,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:41,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:41,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:41,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:40" (1/1) ... [2021-11-23 00:28:41,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:41,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:41,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:41,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:41,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:28:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 00:28:41,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 00:28:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 00:28:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_open [2021-11-23 00:28:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_open [2021-11-23 00:28:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:28:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 00:28:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 00:28:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2021-11-23 00:28:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2021-11-23 00:28:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 00:28:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 00:28:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2021-11-23 00:28:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2021-11-23 00:28:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_release [2021-11-23 00:28:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_release [2021-11-23 00:28:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:28:42,031 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:42,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:42,258 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 00:30:50,479 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2021-11-23 00:30:50,479 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2021-11-23 00:30:50,534 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:30:51,364 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:30:51,364 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:30:51,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:30:51 BoogieIcfgContainer [2021-11-23 00:30:51,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:30:51,368 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:30:51,368 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:30:51,378 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:30:51,378 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:30:51" (1/1) ... [2021-11-23 00:30:51,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:30:51,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:51,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2021-11-23 00:30:51,472 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2021-11-23 00:30:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:30:51,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:51,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:51,526 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:30:51,533 INFO L158 Benchmark]: Toolchain (without parser) took 151750.02ms. Allocated memory was 109.1MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 59.4MB in the beginning and 2.7GB in the end (delta: -2.7GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2021-11-23 00:30:51,533 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 50.3MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:30:51,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 20883.03ms. Allocated memory was 109.1MB in the beginning and 610.3MB in the end (delta: 501.2MB). Free memory was 59.1MB in the beginning and 352.7MB in the end (delta: -293.5MB). Peak memory consumption was 402.9MB. Max. memory is 16.1GB. [2021-11-23 00:30:51,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 686.35ms. Allocated memory is still 610.3MB. Free memory was 352.7MB in the beginning and 341.1MB in the end (delta: 11.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 00:30:51,535 INFO L158 Benchmark]: Boogie Preprocessor took 165.91ms. Allocated memory is still 610.3MB. Free memory was 341.1MB in the beginning and 327.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:30:51,536 INFO L158 Benchmark]: RCFGBuilder took 129844.56ms. Allocated memory was 610.3MB in the beginning and 5.2GB in the end (delta: 4.6GB). Free memory was 327.5MB in the beginning and 2.7GB in the end (delta: -2.4GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2021-11-23 00:30:51,537 INFO L158 Benchmark]: CodeCheck took 162.86ms. Allocated memory is still 5.2GB. Free memory was 2.7GB in the beginning and 2.7GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:30:51,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 50.3MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 20883.03ms. Allocated memory was 109.1MB in the beginning and 610.3MB in the end (delta: 501.2MB). Free memory was 59.1MB in the beginning and 352.7MB in the end (delta: -293.5MB). Peak memory consumption was 402.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 686.35ms. Allocated memory is still 610.3MB. Free memory was 352.7MB in the beginning and 341.1MB in the end (delta: 11.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.91ms. Allocated memory is still 610.3MB. Free memory was 341.1MB in the beginning and 327.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 129844.56ms. Allocated memory was 610.3MB in the beginning and 5.2GB in the end (delta: 4.6GB). Free memory was 327.5MB in the beginning and 2.7GB in the end (delta: -2.4GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. * CodeCheck took 162.86ms. Allocated memory is still 5.2GB. Free memory was 2.7GB in the beginning and 2.7GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:30:51,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2eafedf-2744-4483-a6d8-633c8a581f0a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared