./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.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_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:35:17,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:35:17,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:35:17,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:35:17,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:35:17,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:35:17,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:35:17,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:35:17,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:35:17,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:35:17,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:35:17,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:35:17,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:35:17,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:35:17,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:35:17,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:35:17,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:35:17,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:35:17,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:35:17,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:35:17,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:35:17,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:35:17,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:35:17,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:35:17,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:35:17,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:35:17,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:35:17,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:35:17,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:35:17,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:35:17,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:35:17,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:35:17,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:35:17,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:35:17,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:35:17,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:35:17,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:35:17,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:35:17,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:35:17,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:35:17,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:35:17,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:35:17,377 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:35:17,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:35:17,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:35:17,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:35:17,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:35:17,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:35:17,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:35:17,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:35:17,386 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:35:17,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:35:17,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:35:17,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:35:17,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:35:17,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:35:17,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:35:17,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:35:17,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:35:17,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:35:17,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:35:17,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:35:17,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:35:17,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:35:17,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:35:17,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:35:17,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:35:17,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:35:17,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:35:17,391 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:35:17,391 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:35:17,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:35:17,392 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_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 [2022-11-21 16:35:17,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:35:17,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:35:17,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:35:17,717 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:35:17,717 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:35:17,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2022-11-21 16:35:20,802 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:35:22,311 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:35:22,312 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2022-11-21 16:35:22,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/data/090a9603a/6e1a8616bcd6429d9ce6bcbfd1447bec/FLAG1dd4a2504 [2022-11-21 16:35:22,467 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/data/090a9603a/6e1a8616bcd6429d9ce6bcbfd1447bec [2022-11-21 16:35:22,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:35:22,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:35:22,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:35:22,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:35:22,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:35:22,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:35:22" (1/1) ... [2022-11-21 16:35:22,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c2f626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:22, skipping insertion in model container [2022-11-21 16:35:22,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:35:22" (1/1) ... [2022-11-21 16:35:22,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:35:22,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:35:26,472 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2022-11-21 16:35:38,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:35:38,147 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:35:38,455 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2022-11-21 16:35:39,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:35:40,229 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:35:40,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40 WrapperNode [2022-11-21 16:35:40,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:35:40,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:35:40,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:35:40,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:35:40,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (1/1) ... [2022-11-21 16:35:40,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (1/1) ... [2022-11-21 16:35:40,812 INFO L138 Inliner]: procedures = 895, calls = 20718, calls flagged for inlining = 343, calls inlined = 11, statements flattened = 3196 [2022-11-21 16:35:40,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:35:40,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:35:40,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:35:40,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:35:40,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (1/1) ... [2022-11-21 16:35:40,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (1/1) ... [2022-11-21 16:35:40,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (1/1) ... [2022-11-21 16:35:40,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (1/1) ... [2022-11-21 16:35:40,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (1/1) ... [2022-11-21 16:35:40,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (1/1) ... [2022-11-21 16:35:40,925 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (1/1) ... [2022-11-21 16:35:40,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (1/1) ... [2022-11-21 16:35:40,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:35:40,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:35:40,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:35:40,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:35:40,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (1/1) ... [2022-11-21 16:35:40,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:35:40,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:35:40,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:35:41,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:35:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:35:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:35:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:35:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:35:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-21 16:35:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-21 16:35:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_open [2022-11-21 16:35:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_open [2022-11-21 16:35:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2022-11-21 16:35:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2022-11-21 16:35:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:35:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-21 16:35:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-21 16:35:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2022-11-21 16:35:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2022-11-21 16:35:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure drbd_proc_release [2022-11-21 16:35:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure drbd_proc_release [2022-11-21 16:35:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:35:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:35:41,573 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:35:41,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:35:41,759 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 16:37:12,929 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-11-21 16:37:12,929 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-11-21 16:37:12,973 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:37:12,980 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:37:12,980 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:37:12,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:12 BoogieIcfgContainer [2022-11-21 16:37:12,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:37:12,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:37:12,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:37:12,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:37:12,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:35:22" (1/3) ... [2022-11-21 16:37:12,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b129249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:12, skipping insertion in model container [2022-11-21 16:37:12,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:40" (2/3) ... [2022-11-21 16:37:12,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b129249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:12, skipping insertion in model container [2022-11-21 16:37:12,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:12" (3/3) ... [2022-11-21 16:37:12,994 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2022-11-21 16:37:13,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:37:13,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:37:13,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:37:13,088 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@234a5d1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:37:13,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:37:13,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 49 states have internal predecessors, (60), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-21 16:37:13,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 16:37:13,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:13,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:13,103 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:13,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:13,108 INFO L85 PathProgramCache]: Analyzing trace with hash 68606922, now seen corresponding path program 1 times [2022-11-21 16:37:13,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:13,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862629121] [2022-11-21 16:37:13,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:13,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:14,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:14,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862629121] [2022-11-21 16:37:14,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862629121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:14,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:14,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:14,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438753343] [2022-11-21 16:37:14,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:14,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:37:14,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:14,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:37:14,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:14,689 INFO L87 Difference]: Start difference. First operand has 61 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 49 states have internal predecessors, (60), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:14,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:14,779 INFO L93 Difference]: Finished difference Result 167 states and 216 transitions. [2022-11-21 16:37:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:37:14,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-21 16:37:14,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:14,794 INFO L225 Difference]: With dead ends: 167 [2022-11-21 16:37:14,795 INFO L226 Difference]: Without dead ends: 103 [2022-11-21 16:37:14,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:37:14,803 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 58 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:14,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 132 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:37:14,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-21 16:37:14,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 100. [2022-11-21 16:37:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 77 states have (on average 1.2727272727272727) internal successors, (98), 78 states have internal predecessors, (98), 12 states have call successors, (12), 11 states have call predecessors, (12), 10 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2022-11-21 16:37:14,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2022-11-21 16:37:14,862 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 10 [2022-11-21 16:37:14,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:14,862 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2022-11-21 16:37:14,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2022-11-21 16:37:14,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 16:37:14,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:14,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:14,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:37:14,865 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:14,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:14,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1277375410, now seen corresponding path program 1 times [2022-11-21 16:37:14,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:14,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658806588] [2022-11-21 16:37:14,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:14,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:16,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:16,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:16,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658806588] [2022-11-21 16:37:16,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658806588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:16,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:16,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:37:16,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386927706] [2022-11-21 16:37:16,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:16,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:37:16,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:16,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:37:16,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:37:16,327 INFO L87 Difference]: Start difference. First operand 100 states and 122 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:16,481 INFO L93 Difference]: Finished difference Result 248 states and 320 transitions. [2022-11-21 16:37:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:37:16,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-21 16:37:16,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:16,488 INFO L225 Difference]: With dead ends: 248 [2022-11-21 16:37:16,490 INFO L226 Difference]: Without dead ends: 149 [2022-11-21 16:37:16,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:37:16,494 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 40 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:16,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 234 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:37:16,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-11-21 16:37:16,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 131. [2022-11-21 16:37:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 108 states have (on average 1.3240740740740742) internal successors, (143), 109 states have internal predecessors, (143), 12 states have call successors, (12), 11 states have call predecessors, (12), 10 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2022-11-21 16:37:16,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 167 transitions. [2022-11-21 16:37:16,529 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 167 transitions. Word has length 19 [2022-11-21 16:37:16,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:16,533 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 167 transitions. [2022-11-21 16:37:16,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2022-11-21 16:37:16,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 16:37:16,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:16,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:16,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:37:16,536 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:16,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:16,536 INFO L85 PathProgramCache]: Analyzing trace with hash 359859625, now seen corresponding path program 1 times [2022-11-21 16:37:16,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:16,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296894960] [2022-11-21 16:37:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:16,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:17,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:37:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:17,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:37:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:18,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:18,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296894960] [2022-11-21 16:37:18,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296894960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:18,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:18,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:37:18,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184122901] [2022-11-21 16:37:18,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:18,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:37:18,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:18,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:37:18,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:37:18,090 INFO L87 Difference]: Start difference. First operand 131 states and 167 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:37:20,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:37:20,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:20,464 INFO L93 Difference]: Finished difference Result 217 states and 275 transitions. [2022-11-21 16:37:20,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:37:20,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2022-11-21 16:37:20,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:20,466 INFO L225 Difference]: With dead ends: 217 [2022-11-21 16:37:20,467 INFO L226 Difference]: Without dead ends: 149 [2022-11-21 16:37:20,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:37:20,468 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 35 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:20,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 340 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 72 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-21 16:37:20,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-11-21 16:37:20,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 141. [2022-11-21 16:37:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 116 states have (on average 1.3017241379310345) internal successors, (151), 118 states have internal predecessors, (151), 12 states have call successors, (12), 11 states have call predecessors, (12), 12 states have return successors, (14), 11 states have call predecessors, (14), 10 states have call successors, (14) [2022-11-21 16:37:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 177 transitions. [2022-11-21 16:37:20,485 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 177 transitions. Word has length 29 [2022-11-21 16:37:20,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:20,486 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 177 transitions. [2022-11-21 16:37:20,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:37:20,486 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 177 transitions. [2022-11-21 16:37:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 16:37:20,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:20,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:37:20,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:37:20,488 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:20,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:20,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1823952005, now seen corresponding path program 1 times [2022-11-21 16:37:20,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:20,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603058941] [2022-11-21 16:37:20,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:20,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:37:23,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:37:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:37:25,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:37:25,899 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:37:25,900 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:37:25,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:37:25,906 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-21 16:37:25,910 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:37:26,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:37:26 BoogieIcfgContainer [2022-11-21 16:37:26,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:37:26,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:37:26,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:37:26,070 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:37:26,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:12" (3/4) ... [2022-11-21 16:37:26,074 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:37:26,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:37:26,079 INFO L158 Benchmark]: Toolchain (without parser) took 123603.56ms. Allocated memory was 228.6MB in the beginning and 899.7MB in the end (delta: 671.1MB). Free memory was 178.0MB in the beginning and 319.3MB in the end (delta: -141.4MB). Peak memory consumption was 529.6MB. Max. memory is 16.1GB. [2022-11-21 16:37:26,079 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:37:26,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 17753.25ms. Allocated memory was 228.6MB in the beginning and 530.6MB in the end (delta: 302.0MB). Free memory was 177.2MB in the beginning and 262.5MB in the end (delta: -85.3MB). Peak memory consumption was 331.6MB. Max. memory is 16.1GB. [2022-11-21 16:37:26,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 581.71ms. Allocated memory is still 530.6MB. Free memory was 262.5MB in the beginning and 217.4MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-21 16:37:26,081 INFO L158 Benchmark]: Boogie Preprocessor took 138.60ms. Allocated memory is still 530.6MB. Free memory was 217.4MB in the beginning and 204.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:37:26,081 INFO L158 Benchmark]: RCFGBuilder took 92030.42ms. Allocated memory was 530.6MB in the beginning and 899.7MB in the end (delta: 369.1MB). Free memory was 204.8MB in the beginning and 161.9MB in the end (delta: 42.8MB). Peak memory consumption was 470.8MB. Max. memory is 16.1GB. [2022-11-21 16:37:26,082 INFO L158 Benchmark]: TraceAbstraction took 13084.78ms. Allocated memory is still 899.7MB. Free memory was 161.9MB in the beginning and 320.4MB in the end (delta: -158.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-21 16:37:26,083 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 899.7MB. Free memory was 320.4MB in the beginning and 319.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:37:26,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 17753.25ms. Allocated memory was 228.6MB in the beginning and 530.6MB in the end (delta: 302.0MB). Free memory was 177.2MB in the beginning and 262.5MB in the end (delta: -85.3MB). Peak memory consumption was 331.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 581.71ms. Allocated memory is still 530.6MB. Free memory was 262.5MB in the beginning and 217.4MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.60ms. Allocated memory is still 530.6MB. Free memory was 217.4MB in the beginning and 204.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 92030.42ms. Allocated memory was 530.6MB in the beginning and 899.7MB in the end (delta: 369.1MB). Free memory was 204.8MB in the beginning and 161.9MB in the end (delta: 42.8MB). Peak memory consumption was 470.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13084.78ms. Allocated memory is still 899.7MB. Free memory was 161.9MB in the beginning and 320.4MB in the end (delta: -158.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 899.7MB. Free memory was 320.4MB in the beginning and 319.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: [L7001] int enable_faults ; [L7002] int fault_rate ; [L10081] int LDV_IN_INTERRUPT ; [L10089] int ldv_module_refcounter = 1; [L10200] struct drbd_conf **minor_table ; [L10212] int proc_details ; [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}}; [L24428] int allow_oos ; [L29586] int disable_sendpage ; [L29591] int fault_devs ; [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 ; [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}; VAL [__this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [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={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, 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={1502:0}, tmp___0=1, usermode_helper={1494:0}] [L10761] tmp = __VERIFIER_nondet_int() [L10763] COND TRUE tmp == 0 VAL [__this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, 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={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}] [L10772] COND TRUE ldv_s_drbd_proc_fops_file_operations == 0 VAL [__this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, 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={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}] [L10774] CALL, EXPR drbd_proc_open(var_group1, var_group2) VAL [\old(ldv_module_refcounter)=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10716] struct proc_dir_entry *tmp ; [L10717] int tmp___0 ; [L10718] int tmp___1 ; VAL [\old(ldv_module_refcounter)=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1152921504606846985:1152921504606846998}, file={1152921504606846985:1152921504606846998}, global_state_lock={1488:0}, inode={1152921504606846980:-1355835689417651968512}, inode={1152921504606846980:-1355835689417651968512}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10721] CALL, EXPR ldv_try_module_get_1(& __this_module) VAL [\old(ldv_module_refcounter)=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10821] int tmp ; [L10824] CALL, EXPR ldv_try_module_get(module) [L10101] int module_get_succeeded ; VAL [\old(ldv_module_refcounter)=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor_count=32, minor_table={0:0}, module={-1504:1505}, module={-1504:1505}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [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); VAL [\old(ldv_module_refcounter)=1, \result=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, module={-1504:1505}, module={-1504:1505}, module_get_succeeded=1, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10824] RET, EXPR ldv_try_module_get(module) [L10824] tmp = ldv_try_module_get(module) [L10826] return (tmp); VAL [\old(ldv_module_refcounter)=1, \result=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, module={-1504:1505}, module={-1504:1505}, proc_details=0, tag_descriptions={1502:0}, tmp=1, usermode_helper={1494:0}] [L10721] RET, EXPR ldv_try_module_get_1(& __this_module) VAL [\old(ldv_module_refcounter)=1, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1152921504606846985:1152921504606846998}, file={1152921504606846985:1152921504606846998}, global_state_lock={1488:0}, inode={1152921504606846980:-1355835689417651968512}, inode={1152921504606846980:-1355835689417651968512}, 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={1502:0}, usermode_helper={1494:0}] [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); VAL [\old(ldv_module_refcounter)=1, \result={1152921504606846980:0}, __mptr={1152921504606846980:-1355835689417651968512}, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, inode={1152921504606846980:-1355835689417651968512}, inode={1152921504606846980:-1355835689417651968512}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [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); VAL [\old(ldv_module_refcounter)=1, \result=1506, __this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, file={1152921504606846985:1152921504606846998}, file={1152921504606846985:1152921504606846998}, global_state_lock={1488:0}, inode={1152921504606846980:-1355835689417651968512}, inode={1152921504606846980:-1355835689417651968512}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, tmp={1152921504606847003:-86}, tmp___0=1506, tmp___1=1, usermode_helper={1494:0}] [L10774] RET, EXPR drbd_proc_open(var_group1, var_group2) VAL [__this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_proc_open(var_group1, var_group2)=1506, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, 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={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}, var_group1={1152921504606846980:-1355835689417651968512}, var_group2={1152921504606846985:1152921504606846998}] [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={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, 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=1506, tag_descriptions={1502:0}, tmp=0, tmp___0=1, usermode_helper={1494:0}, var_group1={1152921504606846980:-1355835689417651968512}, var_group2={1152921504606846985:1152921504606846998}] [L10815] CALL ldv_check_final_state() [L10153] COND TRUE ldv_module_refcounter != 1 VAL [__this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10155] CALL ldv_blast_assert() VAL [__this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] [L10085] reach_error() VAL [__this_module={-1504:1505}, allow_oos=0, cn_idx=8, cnd_table={1503:0}, disable_sendpage=0, drbd_al_ext_cache={0:0}, drbd_bm_ext_cache={0:0}, drbd_cmd_handler={1489:0}, drbd_conn_s_names={1498:0}, drbd_disk_s_names={1500:0}, drbd_ee_cache={0:0}, drbd_ee_mempool={0:0}, drbd_m_holder={1364:0}, drbd_main_mutex={1493:0}, drbd_nl_seq={1504:0}, drbd_notifier={1497:0}, drbd_ops={1496:0}, drbd_pp_lock={1491:0}, drbd_pp_pool={1490:0}, drbd_pp_vacant=0, drbd_pp_wait={1492:0}, drbd_proc={0:0}, drbd_proc_fops={1487:0}, drbd_ratelimit_state={1495:0}, drbd_request_cache={0:0}, drbd_request_mempool={0:0}, drbd_role_s_names={1499:0}, drbd_state_sw_errors={1501:0}, enable_faults=0, fault_count=0, fault_devs=0, fault_rate=0, global_state_lock={1488:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, minor_count=32, minor_table={0:0}, proc_details=0, tag_descriptions={1502:0}, usermode_helper={1494:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 706 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 501 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 205 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 29 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 16:37:26,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.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_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:37:28,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:37:28,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:37:28,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:37:28,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:37:28,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:37:28,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:37:28,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:37:28,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:37:28,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:37:28,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:37:28,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:37:28,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:37:28,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:37:28,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:37:28,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:37:28,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:37:28,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:37:28,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:37:28,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:37:28,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:37:28,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:37:28,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:37:28,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:37:28,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:37:28,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:37:28,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:37:28,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:37:28,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:37:28,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:37:28,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:37:28,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:37:28,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:37:28,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:37:28,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:37:28,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:37:28,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:37:28,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:37:28,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:37:28,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:37:28,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:37:28,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 16:37:28,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:37:28,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:37:28,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:37:28,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:37:28,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:37:28,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:37:28,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:37:28,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:37:28,775 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:37:28,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:37:28,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:37:28,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:37:28,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:37:28,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:37:28,778 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:37:28,778 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:37:28,778 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:37:28,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:37:28,779 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:37:28,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:37:28,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:37:28,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:37:28,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:37:28,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:28,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:37:28,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:37:28,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:37:28,781 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:37:28,781 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:37:28,782 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:37:28,782 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:37:28,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:37:28,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:37:28,783 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_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ced8072e726df9636846e62f3ac2249f60e5953eb5c965606e402590bf54d90 [2022-11-21 16:37:29,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:37:29,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:37:29,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:37:29,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:37:29,278 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:37:29,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2022-11-21 16:37:32,432 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:37:33,750 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:37:33,751 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i [2022-11-21 16:37:33,865 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/data/33e4c8bb0/49de585606e74abeb6dd45e4d73623b1/FLAGb607abf66 [2022-11-21 16:37:33,892 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/bin/uautomizer-vX5HgA9Q3a/data/33e4c8bb0/49de585606e74abeb6dd45e4d73623b1 [2022-11-21 16:37:33,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:37:33,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:37:33,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:33,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:37:33,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:37:33,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:33" (1/1) ... [2022-11-21 16:37:33,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181870b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:33, skipping insertion in model container [2022-11-21 16:37:33,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:33" (1/1) ... [2022-11-21 16:37:33,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:37:34,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:37:37,970 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5db7d09-824e-49bd-b60d-541334ca2850/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-drbd-drbd.ko.cil.out-2.i[281164,281177] [2022-11-21 16:37:48,772 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: snprintf((char *)(& mb), 12UL, "minor-%d", tmp) [44061] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:617) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleSnPrintF(StandardFunctionHandler.java:971) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$21(StandardFunctionHandler.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2022-11-21 16:37:48,782 INFO L158 Benchmark]: Toolchain (without parser) took 14879.42ms. Allocated memory was 86.0MB in the beginning and 226.5MB in the end (delta: 140.5MB). Free memory was 38.7MB in the beginning and 95.1MB in the end (delta: -56.4MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. [2022-11-21 16:37:48,785 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:37:48,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 14877.20ms. Allocated memory was 86.0MB in the beginning and 226.5MB in the end (delta: 140.5MB). Free memory was 38.5MB in the beginning and 95.1MB in the end (delta: -56.7MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. [2022-11-21 16:37:48,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 14877.20ms. Allocated memory was 86.0MB in the beginning and 226.5MB in the end (delta: 140.5MB). Free memory was 38.5MB in the beginning and 95.1MB in the end (delta: -56.7MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& mb), 12UL, "minor-%d", tmp) [44061] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: snprintf((char *)(& mb), 12UL, "minor-%d", tmp) [44061]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& mb), 12UL, "minor-%d", tmp) [44061]