./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ --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 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da --- 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-dbf71c6-m [2022-10-17 10:27:30,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:27:30,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:27:30,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:27:30,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:27:30,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:27:30,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:27:30,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:27:30,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:27:30,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:27:30,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:27:30,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:27:30,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:27:30,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:27:30,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:27:30,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:27:30,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:27:30,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:27:30,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:27:30,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:27:30,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:27:30,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:27:30,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:27:30,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:27:30,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:27:30,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:27:30,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:27:30,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:27:30,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:27:30,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:27:30,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:27:30,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:27:30,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:27:30,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:27:30,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:27:30,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:27:30,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:27:30,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:27:30,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:27:30,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:27:30,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:27:30,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:27:30,537 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:27:30,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:27:30,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:27:30,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:27:30,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:27:30,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:27:30,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:27:30,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:27:30,540 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:27:30,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:27:30,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:27:30,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:27:30,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:27:30,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:27:30,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:27:30,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:27:30,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:27:30,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:27:30,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:27:30,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:27:30,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:27:30,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:27:30,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:27:30,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:27:30,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:27:30,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:27:30,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:27:30,545 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:27:30,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:27:30,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:27:30,546 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_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da [2022-10-17 10:27:30,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:27:30,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:27:30,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:27:30,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:27:30,905 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:27:30,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-10-17 10:27:30,994 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/data/419f5ab0a/6d72fca05add4935b76fb9746e5e1442/FLAG987c09205 [2022-10-17 10:27:32,166 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:27:32,168 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-10-17 10:27:32,264 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/data/419f5ab0a/6d72fca05add4935b76fb9746e5e1442/FLAG987c09205 [2022-10-17 10:27:32,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/data/419f5ab0a/6d72fca05add4935b76fb9746e5e1442 [2022-10-17 10:27:32,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:27:32,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:27:32,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:27:32,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:27:32,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:27:32,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:27:32" (1/1) ... [2022-10-17 10:27:32,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1d1da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:32, skipping insertion in model container [2022-10-17 10:27:32,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:27:32" (1/1) ... [2022-10-17 10:27:32,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:27:32,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:27:37,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2022-10-17 10:27:37,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2022-10-17 10:27:37,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:27:37,683 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:27:38,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2022-10-17 10:27:38,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2022-10-17 10:27:38,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:27:38,553 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:27:38,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38 WrapperNode [2022-10-17 10:27:38,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:27:38,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:27:38,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:27:38,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:27:38,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (1/1) ... [2022-10-17 10:27:38,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (1/1) ... [2022-10-17 10:27:39,040 INFO L138 Inliner]: procedures = 518, calls = 2126, calls flagged for inlining = 214, calls inlined = 173, statements flattened = 5323 [2022-10-17 10:27:39,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:27:39,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:27:39,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:27:39,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:27:39,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (1/1) ... [2022-10-17 10:27:39,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (1/1) ... [2022-10-17 10:27:39,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (1/1) ... [2022-10-17 10:27:39,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (1/1) ... [2022-10-17 10:27:39,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (1/1) ... [2022-10-17 10:27:39,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (1/1) ... [2022-10-17 10:27:39,360 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (1/1) ... [2022-10-17 10:27:39,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (1/1) ... [2022-10-17 10:27:39,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:27:39,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:27:39,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:27:39,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:27:39,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (1/1) ... [2022-10-17 10:27:39,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:27:39,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:27:39,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:27:39,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3835eb8-5e8a-43ab-aedb-ef942ab0bc06/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:27:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2022-10-17 10:27:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2022-10-17 10:27:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-10-17 10:27:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2022-10-17 10:27:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2022-10-17 10:27:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2022-10-17 10:27:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2022-10-17 10:27:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2022-10-17 10:27:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2022-10-17 10:27:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:27:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:27:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-10-17 10:27:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-10-17 10:27:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:27:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:27:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-10-17 10:27:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-10-17 10:27:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2022-10-17 10:27:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2022-10-17 10:27:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2022-10-17 10:27:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2022-10-17 10:27:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:27:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:27:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2022-10-17 10:27:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2022-10-17 10:27:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-10-17 10:27:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-10-17 10:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2022-10-17 10:27:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2022-10-17 10:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-10-17 10:27:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-10-17 10:27:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2022-10-17 10:27:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2022-10-17 10:27:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:27:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:27:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2022-10-17 10:27:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2022-10-17 10:27:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-17 10:27:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:27:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:27:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2022-10-17 10:27:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2022-10-17 10:27:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:27:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2022-10-17 10:27:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2022-10-17 10:27:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2022-10-17 10:27:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2022-10-17 10:27:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104___0 [2022-10-17 10:27:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104___0 [2022-10-17 10:27:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:27:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:27:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2022-10-17 10:27:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2022-10-17 10:27:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:27:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:27:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:27:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2022-10-17 10:27:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2022-10-17 10:27:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2022-10-17 10:27:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2022-10-17 10:27:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:27:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:27:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:27:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2022-10-17 10:27:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2022-10-17 10:27:39,557 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2022-10-17 10:27:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2022-10-17 10:27:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2022-10-17 10:27:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2022-10-17 10:27:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:27:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2022-10-17 10:27:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2022-10-17 10:27:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-17 10:27:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-10-17 10:27:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2022-10-17 10:27:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2022-10-17 10:27:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:27:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:27:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2022-10-17 10:27:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2022-10-17 10:27:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:27:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:27:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 10:27:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 10:27:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-10-17 10:27:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-10-17 10:27:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2022-10-17 10:27:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2022-10-17 10:27:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:27:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:27:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:27:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:27:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:27:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2022-10-17 10:27:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2022-10-17 10:27:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-10-17 10:27:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-10-17 10:27:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2022-10-17 10:27:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2022-10-17 10:27:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-17 10:27:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-17 10:27:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:27:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2022-10-17 10:27:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2022-10-17 10:27:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-10-17 10:27:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-10-17 10:27:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:27:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:27:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:27:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2022-10-17 10:27:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2022-10-17 10:27:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2022-10-17 10:27:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2022-10-17 10:27:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:27:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:27:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2022-10-17 10:27:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2022-10-17 10:27:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:27:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:27:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-17 10:27:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-17 10:27:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-17 10:27:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-17 10:27:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:27:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:27:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2022-10-17 10:27:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2022-10-17 10:27:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2022-10-17 10:27:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2022-10-17 10:27:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:27:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:27:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2022-10-17 10:27:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2022-10-17 10:27:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:27:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:27:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:27:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:27:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:27:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:27:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:27:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:27:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2022-10-17 10:27:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2022-10-17 10:27:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2022-10-17 10:27:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2022-10-17 10:27:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2022-10-17 10:27:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2022-10-17 10:27:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2022-10-17 10:27:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2022-10-17 10:27:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2022-10-17 10:27:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2022-10-17 10:27:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2022-10-17 10:27:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2022-10-17 10:27:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2022-10-17 10:27:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2022-10-17 10:27:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2022-10-17 10:27:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2022-10-17 10:27:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2022-10-17 10:27:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2022-10-17 10:27:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2022-10-17 10:27:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2022-10-17 10:27:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-10-17 10:27:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-10-17 10:27:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-10-17 10:27:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-10-17 10:27:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2022-10-17 10:27:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2022-10-17 10:27:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2022-10-17 10:27:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2022-10-17 10:27:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2022-10-17 10:27:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2022-10-17 10:27:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 10:27:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 10:27:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-10-17 10:27:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-10-17 10:27:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2022-10-17 10:27:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2022-10-17 10:27:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2022-10-17 10:27:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2022-10-17 10:27:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:27:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:27:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:27:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2022-10-17 10:27:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2022-10-17 10:27:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2022-10-17 10:27:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2022-10-17 10:27:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2022-10-17 10:27:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2022-10-17 10:27:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:27:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2022-10-17 10:27:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2022-10-17 10:27:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-10-17 10:27:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-10-17 10:27:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:27:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2022-10-17 10:27:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2022-10-17 10:27:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-10-17 10:27:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-10-17 10:27:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:27:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:27:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-17 10:27:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-17 10:27:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2022-10-17 10:27:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2022-10-17 10:27:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:27:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:27:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2022-10-17 10:27:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2022-10-17 10:27:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:27:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:27:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2022-10-17 10:27:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2022-10-17 10:27:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2022-10-17 10:27:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2022-10-17 10:27:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:27:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:27:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2022-10-17 10:27:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2022-10-17 10:27:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2022-10-17 10:27:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2022-10-17 10:27:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2022-10-17 10:27:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2022-10-17 10:27:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:27:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:27:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:27:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:27:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2022-10-17 10:27:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2022-10-17 10:27:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:27:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2022-10-17 10:27:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2022-10-17 10:27:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2022-10-17 10:27:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2022-10-17 10:27:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:27:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:27:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2022-10-17 10:27:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2022-10-17 10:27:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-10-17 10:27:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:27:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:27:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2022-10-17 10:27:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2022-10-17 10:27:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 10:27:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 10:27:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2022-10-17 10:27:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2022-10-17 10:27:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:27:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:27:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2022-10-17 10:27:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2022-10-17 10:27:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:27:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:27:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-10-17 10:27:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-10-17 10:27:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2022-10-17 10:27:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2022-10-17 10:27:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2022-10-17 10:27:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2022-10-17 10:27:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2022-10-17 10:27:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2022-10-17 10:27:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:27:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:27:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:27:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2022-10-17 10:27:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2022-10-17 10:27:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:27:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:27:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2022-10-17 10:27:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2022-10-17 10:27:41,126 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:27:41,136 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:27:41,916 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:27:45,747 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:27:46,027 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:27:46,066 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:27:46,066 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:27:46,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:27:46 BoogieIcfgContainer [2022-10-17 10:27:46,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:27:46,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:27:46,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:27:46,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:27:46,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:27:32" (1/3) ... [2022-10-17 10:27:46,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401115df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:27:46, skipping insertion in model container [2022-10-17 10:27:46,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:38" (2/3) ... [2022-10-17 10:27:46,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401115df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:27:46, skipping insertion in model container [2022-10-17 10:27:46,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:27:46" (3/3) ... [2022-10-17 10:27:46,086 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-10-17 10:27:46,111 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:27:46,112 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:27:46,273 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:27:46,283 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;@6c632a09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:27:46,284 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:27:46,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 2168 states, 1441 states have (on average 1.2914642609299098) internal successors, (1861), 1489 states have internal predecessors, (1861), 602 states have call successors, (602), 125 states have call predecessors, (602), 124 states have return successors, (596), 573 states have call predecessors, (596), 596 states have call successors, (596) [2022-10-17 10:27:46,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-10-17 10:27:46,378 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:46,380 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:46,380 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:46,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:46,388 INFO L85 PathProgramCache]: Analyzing trace with hash -284622610, now seen corresponding path program 1 times [2022-10-17 10:27:46,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:46,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246260878] [2022-10-17 10:27:46,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:46,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:27:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:27:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:47,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:27:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:47,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:27:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:47,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:27:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:47,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:27:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:27:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:27:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:27:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:27:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:27:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:27:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:27:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:27:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:27:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:27:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:27:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-17 10:27:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-17 10:27:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-17 10:27:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-17 10:27:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-17 10:27:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-17 10:27:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-17 10:27:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-17 10:27:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-17 10:27:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-10-17 10:27:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-10-17 10:27:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-10-17 10:27:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-10-17 10:27:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-10-17 10:27:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-10-17 10:27:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-10-17 10:27:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-10-17 10:27:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:27:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-10-17 10:27:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-10-17 10:27:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-10-17 10:27:49,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:49,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246260878] [2022-10-17 10:27:49,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246260878] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:49,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:49,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:27:49,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804521280] [2022-10-17 10:27:49,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:49,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:27:49,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:49,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:27:49,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:27:49,083 INFO L87 Difference]: Start difference. First operand has 2168 states, 1441 states have (on average 1.2914642609299098) internal successors, (1861), 1489 states have internal predecessors, (1861), 602 states have call successors, (602), 125 states have call predecessors, (602), 124 states have return successors, (596), 573 states have call predecessors, (596), 596 states have call successors, (596) Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-10-17 10:27:57,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:27:57,075 INFO L93 Difference]: Finished difference Result 6634 states and 9581 transitions. [2022-10-17 10:27:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:27:57,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 408 [2022-10-17 10:27:57,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:27:57,181 INFO L225 Difference]: With dead ends: 6634 [2022-10-17 10:27:57,197 INFO L226 Difference]: Without dead ends: 4466 [2022-10-17 10:27:57,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:27:57,282 INFO L413 NwaCegarLoop]: 3280 mSDtfsCounter, 3945 mSDsluCounter, 3100 mSDsCounter, 0 mSdLazyCounter, 2585 mSolverCounterSat, 1901 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4398 SdHoareTripleChecker+Valid, 6380 SdHoareTripleChecker+Invalid, 4486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1901 IncrementalHoareTripleChecker+Valid, 2585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:27:57,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4398 Valid, 6380 Invalid, 4486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1901 Valid, 2585 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-10-17 10:27:57,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2022-10-17 10:27:57,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4078. [2022-10-17 10:27:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 2741 states have (on average 1.2885808099233855) internal successors, (3532), 2837 states have internal predecessors, (3532), 1092 states have call successors, (1092), 244 states have call predecessors, (1092), 244 states have return successors, (1092), 1044 states have call predecessors, (1092), 1092 states have call successors, (1092) [2022-10-17 10:27:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5716 transitions. [2022-10-17 10:27:57,952 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5716 transitions. Word has length 408 [2022-10-17 10:27:57,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:27:57,957 INFO L495 AbstractCegarLoop]: Abstraction has 4078 states and 5716 transitions. [2022-10-17 10:27:57,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-10-17 10:27:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5716 transitions. [2022-10-17 10:27:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-10-17 10:27:57,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:27:57,978 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:57,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:27:57,979 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:27:57,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:57,980 INFO L85 PathProgramCache]: Analyzing trace with hash 298122606, now seen corresponding path program 1 times [2022-10-17 10:27:57,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:57,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364409317] [2022-10-17 10:27:57,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:57,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms