./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:24:10,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:24:10,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:24:10,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:24:10,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:24:10,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:24:10,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:24:10,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:24:10,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:24:10,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:24:10,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:24:10,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:24:10,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:24:10,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:24:10,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:24:10,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:24:10,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:24:10,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:24:10,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:24:10,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:24:10,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:24:10,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:24:10,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:24:11,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:24:11,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:24:11,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:24:11,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:24:11,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:24:11,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:24:11,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:24:11,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:24:11,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:24:11,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:24:11,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:24:11,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:24:11,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:24:11,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:24:11,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:24:11,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:24:11,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:24:11,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:24:11,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:24:11,055 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:24:11,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:24:11,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:24:11,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:24:11,057 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:24:11,057 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:24:11,057 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:24:11,057 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:24:11,061 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:24:11,061 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:24:11,061 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:24:11,061 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:24:11,062 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:24:11,062 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:24:11,062 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:24:11,062 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:24:11,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:24:11,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:24:11,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:24:11,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:24:11,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:24:11,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:24:11,064 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:24:11,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:24:11,064 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:24:11,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:24:11,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:24:11,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:24:11,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:24:11,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:24:11,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:24:11,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:24:11,066 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:24:11,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:24:11,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:24:11,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:24:11,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:24:11,067 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-11-12 22:24:11,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:24:11,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:24:11,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:24:11,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:24:11,381 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:24:11,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-12 22:24:11,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/data/7f8453b42/aecc802d210b4180895f16f4dfc49d0e/FLAG006d9b09d [2021-11-12 22:24:12,822 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:24:12,823 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-12 22:24:12,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/data/7f8453b42/aecc802d210b4180895f16f4dfc49d0e/FLAG006d9b09d [2021-11-12 22:24:13,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/data/7f8453b42/aecc802d210b4180895f16f4dfc49d0e [2021-11-12 22:24:13,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:24:13,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:24:13,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:24:13,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:24:13,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:24:13,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:24:13" (1/1) ... [2021-11-12 22:24:13,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebf263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:13, skipping insertion in model container [2021-11-12 22:24:13,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:24:13" (1/1) ... [2021-11-12 22:24:13,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:24:13,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:24:19,250 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,252 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,253 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,255 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,331 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,332 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,332 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,335 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,336 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,336 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,337 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,351 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,749 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:19,749 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:20,370 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:20,384 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:20,387 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:20,402 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:20,404 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:24:20,603 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2021-11-12 22:24:20,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a039fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:20, skipping insertion in model container [2021-11-12 22:24:20,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:24:20,606 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:24:20,608 INFO L158 Benchmark]: Toolchain (without parser) took 7297.84ms. Allocated memory was 127.9MB in the beginning and 249.6MB in the end (delta: 121.6MB). Free memory was 68.0MB in the beginning and 168.4MB in the end (delta: -100.4MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2021-11-12 22:24:20,610 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:24:20,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7295.54ms. Allocated memory was 127.9MB in the beginning and 249.6MB in the end (delta: 121.6MB). Free memory was 67.7MB in the beginning and 168.4MB in the end (delta: -100.8MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2021-11-12 22:24:20,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7295.54ms. Allocated memory was 127.9MB in the beginning and 249.6MB in the end (delta: 121.6MB). Free memory was 67.7MB in the beginning and 168.4MB in the end (delta: -100.8MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:24:22,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:24:22,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:24:22,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:24:22,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:24:22,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:24:22,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:24:22,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:24:22,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:24:22,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:24:22,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:24:22,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:24:22,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:24:23,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:24:23,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:24:23,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:24:23,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:24:23,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:24:23,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:24:23,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:24:23,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:24:23,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:24:23,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:24:23,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:24:23,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:24:23,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:24:23,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:24:23,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:24:23,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:24:23,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:24:23,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:24:23,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:24:23,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:24:23,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:24:23,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:24:23,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:24:23,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:24:23,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:24:23,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:24:23,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:24:23,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:24:23,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:24:23,101 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:24:23,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:24:23,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:24:23,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:24:23,102 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:24:23,102 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:24:23,103 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:24:23,103 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:24:23,103 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:24:23,103 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:24:23,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:24:23,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:24:23,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:24:23,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:24:23,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:24:23,105 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:24:23,105 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:24:23,105 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:24:23,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:24:23,106 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:24:23,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:24:23,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:24:23,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:24:23,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:24:23,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:24:23,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:24:23,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:24:23,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:24:23,107 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:24:23,107 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:24:23,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:24:23,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:24:23,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:24:23,108 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_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-11-12 22:24:23,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:24:23,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:24:23,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:24:23,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:24:23,557 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:24:23,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-12 22:24:23,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/data/cc9f08b00/9b4f7bbed873457fb69821eda8609f4c/FLAGa320e3a0b [2021-11-12 22:24:25,081 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:24:25,083 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-12 22:24:25,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/data/cc9f08b00/9b4f7bbed873457fb69821eda8609f4c/FLAGa320e3a0b [2021-11-12 22:24:25,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7768ca2-75bf-4b9c-9314-7a21cabfe0ae/bin/utaipan-vmNK8stdcF/data/cc9f08b00/9b4f7bbed873457fb69821eda8609f4c [2021-11-12 22:24:25,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:24:25,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:24:25,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:24:25,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:24:25,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:24:25,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:24:25" (1/1) ... [2021-11-12 22:24:25,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5528e936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:25, skipping insertion in model container [2021-11-12 22:24:25,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:24:25" (1/1) ... [2021-11-12 22:24:25,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:24:25,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:24:33,769 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2021-11-12 22:24:33,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ad0246a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:24:33, skipping insertion in model container [2021-11-12 22:24:33,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:24:33,771 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:24:33,774 INFO L158 Benchmark]: Toolchain (without parser) took 8273.39ms. Allocated memory was 92.3MB in the beginning and 226.5MB in the end (delta: 134.2MB). Free memory was 46.6MB in the beginning and 129.3MB in the end (delta: -82.7MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2021-11-12 22:24:33,777 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:24:33,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8270.24ms. Allocated memory was 92.3MB in the beginning and 226.5MB in the end (delta: 134.2MB). Free memory was 46.5MB in the beginning and 129.3MB in the end (delta: -82.8MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2021-11-12 22:24:33,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8270.24ms. Allocated memory was 92.3MB in the beginning and 226.5MB in the end (delta: 134.2MB). Free memory was 46.5MB in the beginning and 129.3MB in the end (delta: -82.8MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN