./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/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 d291badf6e321259e0b1b1625d2ed48867e61016cda7885a720272c3e12df877 --- 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 10:37:34,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:37:34,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:37:34,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:37:34,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:37:34,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:37:34,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:37:34,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:37:34,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:37:34,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:37:34,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:37:34,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:37:34,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:37:34,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:37:34,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:37:34,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:37:34,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:37:34,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:37:34,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:37:34,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:37:34,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:37:34,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:37:34,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:37:34,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:37:34,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:37:34,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:37:34,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:37:34,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:37:34,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:37:34,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:37:34,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:37:34,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:37:34,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:37:34,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:37:34,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:37:34,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:37:34,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:37:34,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:37:34,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:37:34,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:37:34,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:37:34,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:37:34,955 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:37:34,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:37:34,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:37:34,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:37:34,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:37:34,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:37:34,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:37:34,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:37:34,959 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:37:34,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:37:34,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:37:34,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:37:34,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:37:34,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:37:34,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:37:34,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:37:34,961 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:37:34,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:37:34,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:37:34,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:37:34,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:37:34,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:37:34,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:37:34,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:37:34,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:37:34,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:37:34,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:37:34,964 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:37:34,964 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:37:34,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:37:34,965 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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d291badf6e321259e0b1b1625d2ed48867e61016cda7885a720272c3e12df877 [2022-10-17 10:37:35,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:37:35,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:37:35,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:37:35,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:37:35,263 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:37:35,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-10-17 10:37:35,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ/data/728d45593/bca2ea60e1564c0a9d5da46fc3430396/FLAGf765fb4bd [2022-10-17 10:37:36,276 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:37:36,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-10-17 10:37:36,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ/data/728d45593/bca2ea60e1564c0a9d5da46fc3430396/FLAGf765fb4bd [2022-10-17 10:37:36,643 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ/data/728d45593/bca2ea60e1564c0a9d5da46fc3430396 [2022-10-17 10:37:36,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:37:36,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:37:36,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:37:36,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:37:36,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:37:36,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:37:36" (1/1) ... [2022-10-17 10:37:36,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0d28ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:36, skipping insertion in model container [2022-10-17 10:37:36,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:37:36" (1/1) ... [2022-10-17 10:37:36,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:37:36,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:37:41,110 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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2022-10-17 10:37:41,114 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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2022-10-17 10:37:41,115 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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2022-10-17 10:37:41,115 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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2022-10-17 10:37:41,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:37:41,174 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:37:41,712 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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2022-10-17 10:37:41,713 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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2022-10-17 10:37:41,714 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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2022-10-17 10:37:41,714 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_1bc295a5-4f6b-461f-bce4-abcb1748ba02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2022-10-17 10:37:41,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:37:41,937 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:37:41,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41 WrapperNode [2022-10-17 10:37:41,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:37:41,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:37:41,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:37:41,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:37:41,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (1/1) ... [2022-10-17 10:37:42,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (1/1) ... [2022-10-17 10:37:42,229 INFO L138 Inliner]: procedures = 522, calls = 2018, calls flagged for inlining = 218, calls inlined = 177, statements flattened = 5279 [2022-10-17 10:37:42,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:37:42,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:37:42,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:37:42,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:37:42,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (1/1) ... [2022-10-17 10:37:42,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (1/1) ... [2022-10-17 10:37:42,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (1/1) ... [2022-10-17 10:37:42,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (1/1) ... [2022-10-17 10:37:42,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (1/1) ... [2022-10-17 10:37:42,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (1/1) ... [2022-10-17 10:37:42,517 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (1/1) ... [2022-10-17 10:37:42,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (1/1) ... [2022-10-17 10:37:42,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:37:42,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:37:42,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:37:42,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:37:42,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (1/1) ... [2022-10-17 10:37:42,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:37:42,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:37:42,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:37:42,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc295a5-4f6b-461f-bce4-abcb1748ba02/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:37:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2022-10-17 10:37:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2022-10-17 10:37:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-10-17 10:37:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2022-10-17 10:37:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2022-10-17 10:37:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2022-10-17 10:37:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2022-10-17 10:37:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2022-10-17 10:37:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2022-10-17 10:37:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:37:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:37:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-10-17 10:37:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-10-17 10:37:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:37:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:37:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-10-17 10:37:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-10-17 10:37:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:37:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:37:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2022-10-17 10:37:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2022-10-17 10:37:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2022-10-17 10:37:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2022-10-17 10:37:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:37:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:37:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2022-10-17 10:37:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2022-10-17 10:37:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-10-17 10:37:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-10-17 10:37:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2022-10-17 10:37:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2022-10-17 10:37:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-10-17 10:37:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-10-17 10:37:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2022-10-17 10:37:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2022-10-17 10:37:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:37:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:37:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2022-10-17 10:37:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2022-10-17 10:37:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-17 10:37:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:37:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:37:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2022-10-17 10:37:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2022-10-17 10:37:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:37:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2022-10-17 10:37:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2022-10-17 10:37:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:37:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:37:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2022-10-17 10:37:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2022-10-17 10:37:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:37:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:37:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:37:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2022-10-17 10:37:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2022-10-17 10:37:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2022-10-17 10:37:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2022-10-17 10:37:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:37:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:37:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:37:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2022-10-17 10:37:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2022-10-17 10:37:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2022-10-17 10:37:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2022-10-17 10:37:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2022-10-17 10:37:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2022-10-17 10:37:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:37:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2022-10-17 10:37:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2022-10-17 10:37:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2022-10-17 10:37:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2022-10-17 10:37:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:37:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:37:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2022-10-17 10:37:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2022-10-17 10:37:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 10:37:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 10:37:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-10-17 10:37:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-10-17 10:37:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:37:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:37:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2022-10-17 10:37:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2022-10-17 10:37:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:37:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:37:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:37:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:37:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:37:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2022-10-17 10:37:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2022-10-17 10:37:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2022-10-17 10:37:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2022-10-17 10:37:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-17 10:37:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-17 10:37:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:37:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2022-10-17 10:37:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2022-10-17 10:37:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-10-17 10:37:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-10-17 10:37:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:37:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:37:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:37:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2022-10-17 10:37:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2022-10-17 10:37:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2022-10-17 10:37:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2022-10-17 10:37:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:37:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:37:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2022-10-17 10:37:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2022-10-17 10:37:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2022-10-17 10:37:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2022-10-17 10:37:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-17 10:37:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-17 10:37:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:37:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:37:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2022-10-17 10:37:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2022-10-17 10:37:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2022-10-17 10:37:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2022-10-17 10:37:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:37:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:37:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2022-10-17 10:37:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2022-10-17 10:37:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:37:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:37:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:37:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:37:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:37:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:37:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:37:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:37:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2022-10-17 10:37:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2022-10-17 10:37:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:37:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:37:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2022-10-17 10:37:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2022-10-17 10:37:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2022-10-17 10:37:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2022-10-17 10:37:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-10-17 10:37:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-10-17 10:37:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2022-10-17 10:37:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2022-10-17 10:37:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2022-10-17 10:37:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2022-10-17 10:37:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2022-10-17 10:37:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2022-10-17 10:37:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2022-10-17 10:37:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2022-10-17 10:37:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2022-10-17 10:37:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2022-10-17 10:37:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2022-10-17 10:37:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2022-10-17 10:37:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2022-10-17 10:37:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2022-10-17 10:37:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-10-17 10:37:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-10-17 10:37:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-10-17 10:37:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-10-17 10:37:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2022-10-17 10:37:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2022-10-17 10:37:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2022-10-17 10:37:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2022-10-17 10:37:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2022-10-17 10:37:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2022-10-17 10:37:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 10:37:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 10:37:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-10-17 10:37:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-10-17 10:37:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2022-10-17 10:37:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2022-10-17 10:37:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2022-10-17 10:37:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2022-10-17 10:37:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-17 10:37:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-17 10:37:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:37:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:37:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:37:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2022-10-17 10:37:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2022-10-17 10:37:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2022-10-17 10:37:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2022-10-17 10:37:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2022-10-17 10:37:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2022-10-17 10:37:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:37:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2022-10-17 10:37:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2022-10-17 10:37:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-10-17 10:37:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-10-17 10:37:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:37:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2022-10-17 10:37:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2022-10-17 10:37:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-10-17 10:37:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-10-17 10:37:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:37:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:37:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-17 10:37:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-17 10:37:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2022-10-17 10:37:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2022-10-17 10:37:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:37:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:37:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2022-10-17 10:37:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2022-10-17 10:37:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:37:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:37:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2022-10-17 10:37:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2022-10-17 10:37:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2022-10-17 10:37:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2022-10-17 10:37:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:37:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:37:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2022-10-17 10:37:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2022-10-17 10:37:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2022-10-17 10:37:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2022-10-17 10:37:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2022-10-17 10:37:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2022-10-17 10:37:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2022-10-17 10:37:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2022-10-17 10:37:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:37:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:37:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:37:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:37:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2022-10-17 10:37:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2022-10-17 10:37:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:37:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2022-10-17 10:37:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2022-10-17 10:37:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2022-10-17 10:37:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2022-10-17 10:37:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:37:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:37:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2022-10-17 10:37:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2022-10-17 10:37:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2022-10-17 10:37:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2022-10-17 10:37:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-10-17 10:37:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:37:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:37:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 10:37:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 10:37:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2022-10-17 10:37:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2022-10-17 10:37:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:37:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:37:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2022-10-17 10:37:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2022-10-17 10:37:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:37:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:37:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-10-17 10:37:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-10-17 10:37:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2022-10-17 10:37:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2022-10-17 10:37:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2022-10-17 10:37:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2022-10-17 10:37:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2022-10-17 10:37:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2022-10-17 10:37:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:37:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:37:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:37:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2022-10-17 10:37:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2022-10-17 10:37:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:37:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:37:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2022-10-17 10:37:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2022-10-17 10:37:43,810 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:37:43,815 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:37:44,401 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:37:47,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:37:47,714 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:37:47,743 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:37:47,743 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:37:47,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:37:47 BoogieIcfgContainer [2022-10-17 10:37:47,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:37:47,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:37:47,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:37:47,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:37:47,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:37:36" (1/3) ... [2022-10-17 10:37:47,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34961742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:37:47, skipping insertion in model container [2022-10-17 10:37:47,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:41" (2/3) ... [2022-10-17 10:37:47,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34961742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:37:47, skipping insertion in model container [2022-10-17 10:37:47,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:37:47" (3/3) ... [2022-10-17 10:37:47,756 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-10-17 10:37:47,774 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:37:47,775 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-10-17 10:37:47,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:37:47,885 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;@42333b9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:37:47,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-10-17 10:37:47,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 2153 states, 1431 states have (on average 1.2858141160027952) internal successors, (1840), 1482 states have internal predecessors, (1840), 594 states have call successors, (594), 125 states have call predecessors, (594), 124 states have return successors, (588), 565 states have call predecessors, (588), 588 states have call successors, (588) [2022-10-17 10:37:47,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-10-17 10:37:47,940 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:37:47,941 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] [2022-10-17 10:37:47,942 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-10-17 10:37:47,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:37:47,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1074380420, now seen corresponding path program 1 times [2022-10-17 10:37:47,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:37:47,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244317494] [2022-10-17 10:37:47,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:37:47,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:37:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:37:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:37:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:37:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:37:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:37:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:37:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:37:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:37:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:37:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:37:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:37:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:37:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:37:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:37:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:37:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:37:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:37:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-17 10:37:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-17 10:37:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-17 10:37:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-17 10:37:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-17 10:37:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-17 10:37:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-17 10:37:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-17 10:37:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-17 10:37:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-10-17 10:37:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-10-17 10:37:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-10-17 10:37:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-10-17 10:37:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-10-17 10:37:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-10-17 10:37:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-10-17 10:37:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-10-17 10:37:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:49,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:50,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-10-17 10:37:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:50,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-10-17 10:37:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:50,028 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 10:37:50,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:37:50,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244317494] [2022-10-17 10:37:50,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244317494] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:37:50,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:37:50,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:37:50,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548542309] [2022-10-17 10:37:50,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:37:50,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:37:50,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:37:50,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:37:50,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:37:50,072 INFO L87 Difference]: Start difference. First operand has 2153 states, 1431 states have (on average 1.2858141160027952) internal successors, (1840), 1482 states have internal predecessors, (1840), 594 states have call successors, (594), 125 states have call predecessors, (594), 124 states have return successors, (588), 565 states have call predecessors, (588), 588 states have call successors, (588) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-10-17 10:37:56,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:37:56,143 INFO L93 Difference]: Finished difference Result 6593 states and 9535 transitions. [2022-10-17 10:37:56,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:37:56,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 398 [2022-10-17 10:37:56,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:37:56,224 INFO L225 Difference]: With dead ends: 6593 [2022-10-17 10:37:56,224 INFO L226 Difference]: Without dead ends: 4501 [2022-10-17 10:37:56,251 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 10:37:56,258 INFO L413 NwaCegarLoop]: 3242 mSDtfsCounter, 3927 mSDsluCounter, 3129 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 1791 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4373 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 4258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1791 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-17 10:37:56,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4373 Valid, 6371 Invalid, 4258 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1791 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-17 10:37:56,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4501 states. [2022-10-17 10:37:56,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4501 to 4115. [2022-10-17 10:37:56,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4115 states, 2758 states have (on average 1.2828136330674402) internal successors, (3538), 2858 states have internal predecessors, (3538), 1110 states have call successors, (1110), 244 states have call predecessors, (1110), 243 states have return successors, (1106), 1060 states have call predecessors, (1106), 1106 states have call successors, (1106) [2022-10-17 10:37:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4115 states to 4115 states and 5754 transitions. [2022-10-17 10:37:56,659 INFO L78 Accepts]: Start accepts. Automaton has 4115 states and 5754 transitions. Word has length 398 [2022-10-17 10:37:56,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:37:56,661 INFO L495 AbstractCegarLoop]: Abstraction has 4115 states and 5754 transitions. [2022-10-17 10:37:56,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-10-17 10:37:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4115 states and 5754 transitions. [2022-10-17 10:37:56,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-10-17 10:37:56,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:37:56,676 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] [2022-10-17 10:37:56,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:37:56,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-10-17 10:37:56,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:37:56,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1293159244, now seen corresponding path program 1 times [2022-10-17 10:37:56,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:37:56,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079131057] [2022-10-17 10:37:56,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:37:56,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:37:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:37:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:37:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:37:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:37:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:37:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:37:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:37:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:37:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:37:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:37:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:37:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:37:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-17 10:37:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:37:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-17 10:37:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:37:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:37:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-17 10:37:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-17 10:37:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-17 10:37:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-17 10:37:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-17 10:37:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-17 10:37:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:57,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-17 10:37:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-17 10:37:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-17 10:37:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-10-17 10:37:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-10-17 10:37:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-10-17 10:37:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-10-17 10:37:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-10-17 10:37:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-10-17 10:37:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-10-17 10:37:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-10-17 10:37:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-10-17 10:37:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,271 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 10:37:58,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:37:58,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079131057] [2022-10-17 10:37:58,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079131057] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:37:58,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:37:58,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:37:58,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475384709] [2022-10-17 10:37:58,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:37:58,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:37:58,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:37:58,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:37:58,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:37:58,281 INFO L87 Difference]: Start difference. First operand 4115 states and 5754 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36)