./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/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_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3 --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 6e0f218942e4aba5b1f73ebedf6bcb1978cf109f ................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/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_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3 --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 6e0f218942e4aba5b1f73ebedf6bcb1978cf109f ................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Call --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:27:46,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:27:46,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:27:46,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:27:46,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:27:46,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:27:46,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:27:46,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:27:46,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:27:46,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:27:46,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:27:46,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:27:46,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:27:46,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:27:46,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:27:46,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:27:46,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:27:46,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:27:46,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:27:46,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:27:46,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:27:46,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:27:46,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:27:46,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:27:46,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:27:46,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:27:46,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:27:46,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:27:46,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:27:46,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:27:46,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:27:46,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:27:46,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:27:46,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:27:46,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:27:46,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:27:46,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:27:46,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:27:46,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:27:46,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:27:46,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:27:46,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-15 19:27:46,282 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:27:46,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:27:46,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:27:46,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:27:46,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:27:46,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:27:46,287 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:27:46,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:27:46,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:27:46,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:27:46,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:27:46,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:27:46,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:27:46,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:27:46,292 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:27:46,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:27:46,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:27:46,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:27:46,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:27:46,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:27:46,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:27:46,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:27:46,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:27:46,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:27:46,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:27:46,295 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:27:46,295 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:27:46,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:27:46,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:27:46,296 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_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e0f218942e4aba5b1f73ebedf6bcb1978cf109f [2021-10-15 19:27:46,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:27:46,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:27:46,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:27:46,647 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:27:46,648 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:27:46,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-10-15 19:27:46,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/data/3bea6638f/d58de156f8a74682980fc57b50dcf6e7/FLAG388e557aa [2021-10-15 19:27:48,058 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:27:48,059 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-10-15 19:27:48,153 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/data/3bea6638f/d58de156f8a74682980fc57b50dcf6e7/FLAG388e557aa [2021-10-15 19:27:48,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/data/3bea6638f/d58de156f8a74682980fc57b50dcf6e7 [2021-10-15 19:27:48,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:27:48,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:27:48,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:27:48,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:27:48,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:27:48,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:27:48" (1/1) ... [2021-10-15 19:27:48,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4491c4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:48, skipping insertion in model container [2021-10-15 19:27:48,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:27:48" (1/1) ... [2021-10-15 19:27:48,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:27:48,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:27:53,988 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:27:53,992 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:27:53,993 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:27:53,994 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:27:54,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:27:54,043 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:27:54,795 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:27:54,797 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:27:54,797 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:27:54,798 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:27:54,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:27:55,085 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:27:55,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55 WrapperNode [2021-10-15 19:27:55,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:27:55,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:27:55,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:27:55,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:27:55,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55" (1/1) ... [2021-10-15 19:27:55,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55" (1/1) ... [2021-10-15 19:27:56,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:27:56,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:27:56,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:27:56,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:27:56,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55" (1/1) ... [2021-10-15 19:27:56,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55" (1/1) ... [2021-10-15 19:27:56,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55" (1/1) ... [2021-10-15 19:27:56,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55" (1/1) ... [2021-10-15 19:27:57,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55" (1/1) ... [2021-10-15 19:27:57,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55" (1/1) ... [2021-10-15 19:27:57,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55" (1/1) ... [2021-10-15 19:27:57,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:27:57,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:27:57,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:27:57,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:27:57,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55" (1/1) ... [2021-10-15 19:27:57,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:27:57,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:27:57,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:27:57,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:27:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-10-15 19:27:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-10-15 19:27:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:27:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-10-15 19:27:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-15 19:27:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:27:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2021-10-15 19:27:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2021-10-15 19:27:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 19:27:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2021-10-15 19:27:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2021-10-15 19:27:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 19:27:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:27:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:27:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:27:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:27:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-15 19:27:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-15 19:27:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:27:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 19:27:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 19:27:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2021-10-15 19:27:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2021-10-15 19:27:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2021-10-15 19:27:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2021-10-15 19:27:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2021-10-15 19:27:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2021-10-15 19:27:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:27:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-10-15 19:27:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2021-10-15 19:27:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2021-10-15 19:27:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:27:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-10-15 19:27:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-10-15 19:28:22,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-10-15 19:28:22,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-10-15 19:28:22,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2021-10-15 19:28:22,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-10-15 19:28:22,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-10-15 19:28:22,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-10-15 19:28:22,157 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:28:22,158 INFO L299 CfgBuilder]: Removed 5147 assume(true) statements. [2021-10-15 19:28:22,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:28:22 BoogieIcfgContainer [2021-10-15 19:28:22,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:28:22,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:28:22,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:28:22,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:28:22,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:27:48" (1/3) ... [2021-10-15 19:28:22,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742b455a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:28:22, skipping insertion in model container [2021-10-15 19:28:22,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:55" (2/3) ... [2021-10-15 19:28:22,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742b455a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:28:22, skipping insertion in model container [2021-10-15 19:28:22,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:28:22" (3/3) ... [2021-10-15 19:28:22,179 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-10-15 19:28:22,187 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:28:22,187 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 91 error locations. [2021-10-15 19:28:22,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:28:22,269 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:28:22,270 INFO L340 AbstractCegarLoop]: Starting to check reachability of 91 error locations. [2021-10-15 19:28:22,338 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Call at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.constructPetriNetWithoutDeadTransitions(CegarLoopForPetriNet.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.getInitialAbstraction(CegarLoopForPetriNet.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.computeInitialAbstraction(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:347) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-15 19:28:22,345 INFO L168 Benchmark]: Toolchain (without parser) took 33675.22 ms. Allocated memory was 125.8 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 93.3 MB in the beginning and 1.0 GB in the end (delta: -906.9 MB). Peak memory consumption was 449.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:28:22,346 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:28:22,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6415.82 ms. Allocated memory was 125.8 MB in the beginning and 276.8 MB in the end (delta: 151.0 MB). Free memory was 92.7 MB in the beginning and 197.4 MB in the end (delta: -104.8 MB). Peak memory consumption was 107.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:28:22,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 1259.98 ms. Allocated memory is still 276.8 MB. Free memory was 197.4 MB in the beginning and 145.0 MB in the end (delta: 52.4 MB). Peak memory consumption was 126.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:28:22,349 INFO L168 Benchmark]: Boogie Preprocessor took 1214.77 ms. Allocated memory was 276.8 MB in the beginning and 553.6 MB in the end (delta: 276.8 MB). Free memory was 145.0 MB in the beginning and 372.6 MB in the end (delta: -227.5 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:28:22,350 INFO L168 Benchmark]: RCFGBuilder took 24602.06 ms. Allocated memory was 553.6 MB in the beginning and 1.5 GB in the end (delta: 929.0 MB). Free memory was 372.6 MB in the beginning and 1.0 GB in the end (delta: -643.4 MB). Peak memory consumption was 404.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:28:22,351 INFO L168 Benchmark]: TraceAbstraction took 173.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:28:22,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6415.82 ms. Allocated memory was 125.8 MB in the beginning and 276.8 MB in the end (delta: 151.0 MB). Free memory was 92.7 MB in the beginning and 197.4 MB in the end (delta: -104.8 MB). Peak memory consumption was 107.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 1259.98 ms. Allocated memory is still 276.8 MB. Free memory was 197.4 MB in the beginning and 145.0 MB in the end (delta: 52.4 MB). Peak memory consumption was 126.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1214.77 ms. Allocated memory was 276.8 MB in the beginning and 553.6 MB in the end (delta: 276.8 MB). Free memory was 145.0 MB in the beginning and 372.6 MB in the end (delta: -227.5 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24602.06 ms. Allocated memory was 553.6 MB in the beginning and 1.5 GB in the end (delta: 929.0 MB). Free memory was 372.6 MB in the beginning and 1.0 GB in the end (delta: -643.4 MB). Peak memory consumption was 404.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 173.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Call de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Call: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:28:22,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:28:25,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:28:25,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:28:25,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:28:25,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:28:25,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:28:25,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:28:25,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:28:25,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:28:25,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:28:25,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:28:25,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:28:25,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:28:25,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:28:25,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:28:25,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:28:25,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:28:25,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:28:25,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:28:25,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:28:25,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:28:25,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:28:25,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:28:25,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:28:25,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:28:25,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:28:25,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:28:25,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:28:25,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:28:25,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:28:25,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:28:25,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:28:25,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:28:25,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:28:25,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:28:25,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:28:25,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:28:25,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:28:25,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:28:25,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:28:25,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:28:25,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-15 19:28:25,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:28:25,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:28:25,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:28:25,710 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:28:25,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:28:25,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:28:25,712 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:28:25,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:28:25,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:28:25,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:28:25,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:28:25,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:28:25,714 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:28:25,715 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:28:25,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:28:25,715 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:28:25,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:28:25,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:28:25,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:28:25,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:28:25,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:28:25,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:28:25,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:28:25,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:28:25,718 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:28:25,718 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:28:25,719 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:28:25,719 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:28:25,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:28:25,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:28:25,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:28:25,720 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e0f218942e4aba5b1f73ebedf6bcb1978cf109f [2021-10-15 19:28:26,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:28:26,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:28:26,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:28:26,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:28:26,264 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:28:26,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-10-15 19:28:26,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/data/a1dbaa4d0/6397c80ba7bc4fbc86f51a96bcf08238/FLAG97509066b [2021-10-15 19:28:27,742 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:28:27,744 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-10-15 19:28:27,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/data/a1dbaa4d0/6397c80ba7bc4fbc86f51a96bcf08238/FLAG97509066b [2021-10-15 19:28:27,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/data/a1dbaa4d0/6397c80ba7bc4fbc86f51a96bcf08238 [2021-10-15 19:28:27,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:28:27,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:28:27,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:28:27,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:28:27,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:28:27,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:28:27" (1/1) ... [2021-10-15 19:28:27,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e899e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:27, skipping insertion in model container [2021-10-15 19:28:27,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:28:27" (1/1) ... [2021-10-15 19:28:27,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:28:28,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:28:34,168 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:28:34,172 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:28:34,173 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:28:34,174 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:28:34,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:28:34,239 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:28:35,028 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:28:35,029 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:28:35,029 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:28:35,030 WARN L228 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_523f8202-6710-4af4-9b11-12e26de2f215/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] [2021-10-15 19:28:35,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:28:35,324 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:28:35,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35 WrapperNode [2021-10-15 19:28:35,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:28:35,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:28:35,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:28:35,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:28:35,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35" (1/1) ... [2021-10-15 19:28:35,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35" (1/1) ... [2021-10-15 19:28:36,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:28:36,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:28:36,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:28:36,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:28:36,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35" (1/1) ... [2021-10-15 19:28:36,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35" (1/1) ... [2021-10-15 19:28:36,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35" (1/1) ... [2021-10-15 19:28:36,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35" (1/1) ... [2021-10-15 19:28:37,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35" (1/1) ... [2021-10-15 19:28:37,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35" (1/1) ... [2021-10-15 19:28:37,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35" (1/1) ... [2021-10-15 19:28:37,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:28:37,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:28:37,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:28:37,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:28:37,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35" (1/1) ... [2021-10-15 19:28:37,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:28:37,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:28:37,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:28:37,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:28:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-10-15 19:28:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-10-15 19:28:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:28:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:28:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-15 19:28:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-10-15 19:28:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2021-10-15 19:28:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2021-10-15 19:28:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 19:28:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2021-10-15 19:28:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2021-10-15 19:28:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 19:28:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-10-15 19:28:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-10-15 19:28:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:28:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:28:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-15 19:28:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-10-15 19:28:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:28:38,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:28:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-15 19:28:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-15 19:28:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:28:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-15 19:28:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-15 19:28:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-15 19:28:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:28:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 19:28:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-15 19:28:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-15 19:28:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-15 19:28:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:28:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 19:28:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2021-10-15 19:28:38,014 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2021-10-15 19:28:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2021-10-15 19:28:38,014 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2021-10-15 19:28:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2021-10-15 19:28:38,014 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2021-10-15 19:28:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-15 19:28:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-10-15 19:28:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-10-15 19:28:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-10-15 19:28:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-10-15 19:28:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2021-10-15 19:28:38,015 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2021-10-15 19:28:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-10-15 19:28:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-10-15 19:29:30,363 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2021-10-15 19:29:30,364 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2021-10-15 19:29:30,365 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0bv32; [2021-10-15 19:29:30,365 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-10-15 19:29:30,366 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-10-15 19:29:30,366 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-10-15 19:29:30,429 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:29:30,429 INFO L299 CfgBuilder]: Removed 5147 assume(true) statements. [2021-10-15 19:29:30,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:29:30 BoogieIcfgContainer [2021-10-15 19:29:30,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:29:30,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:29:30,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:29:30,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:29:30,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:28:27" (1/3) ... [2021-10-15 19:29:30,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7ad915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:29:30, skipping insertion in model container [2021-10-15 19:29:30,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:28:35" (2/3) ... [2021-10-15 19:29:30,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7ad915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:29:30, skipping insertion in model container [2021-10-15 19:29:30,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:29:30" (3/3) ... [2021-10-15 19:29:30,448 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-10-15 19:29:30,455 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:29:30,456 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 91 error locations. [2021-10-15 19:29:30,522 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:29:30,529 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:29:30,530 INFO L340 AbstractCegarLoop]: Starting to check reachability of 91 error locations. [2021-10-15 19:29:30,585 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Call at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.constructPetriNetWithoutDeadTransitions(CegarLoopForPetriNet.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.getInitialAbstraction(CegarLoopForPetriNet.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.computeInitialAbstraction(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:347) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-15 19:29:30,591 INFO L168 Benchmark]: Toolchain (without parser) took 62672.89 ms. Allocated memory was 65.0 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 39.3 MB in the beginning and 519.3 MB in the end (delta: -480.0 MB). Peak memory consumption was 927.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:29:30,591 INFO L168 Benchmark]: CDTParser took 2.74 ms. Allocated memory is still 65.0 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:29:30,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7407.58 ms. Allocated memory was 65.0 MB in the beginning and 190.8 MB in the end (delta: 125.8 MB). Free memory was 39.0 MB in the beginning and 69.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 97.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:29:30,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 1231.54 ms. Allocated memory was 190.8 MB in the beginning and 272.6 MB in the end (delta: 81.8 MB). Free memory was 69.9 MB in the beginning and 150.3 MB in the end (delta: -80.3 MB). Peak memory consumption was 58.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:29:30,594 INFO L168 Benchmark]: Boogie Preprocessor took 1250.07 ms. Allocated memory is still 272.6 MB. Free memory was 150.3 MB in the beginning and 87.6 MB in the end (delta: 62.7 MB). Peak memory consumption was 84.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:29:30,595 INFO L168 Benchmark]: RCFGBuilder took 52627.51 ms. Allocated memory was 272.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 87.6 MB in the beginning and 536.0 MB in the end (delta: -448.5 MB). Peak memory consumption was 808.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:29:30,596 INFO L168 Benchmark]: TraceAbstraction took 148.18 ms. Allocated memory is still 1.5 GB. Free memory was 536.0 MB in the beginning and 519.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:29:30,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.74 ms. Allocated memory is still 65.0 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 7407.58 ms. Allocated memory was 65.0 MB in the beginning and 190.8 MB in the end (delta: 125.8 MB). Free memory was 39.0 MB in the beginning and 69.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 97.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 1231.54 ms. Allocated memory was 190.8 MB in the beginning and 272.6 MB in the end (delta: 81.8 MB). Free memory was 69.9 MB in the beginning and 150.3 MB in the end (delta: -80.3 MB). Peak memory consumption was 58.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1250.07 ms. Allocated memory is still 272.6 MB. Free memory was 150.3 MB in the beginning and 87.6 MB in the end (delta: 62.7 MB). Peak memory consumption was 84.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 52627.51 ms. Allocated memory was 272.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 87.6 MB in the beginning and 536.0 MB in the end (delta: -448.5 MB). Peak memory consumption was 808.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 148.18 ms. Allocated memory is still 1.5 GB. Free memory was 536.0 MB in the beginning and 519.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Call de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Call: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:29:30,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523f8202-6710-4af4-9b11-12e26de2f215/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...