./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/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_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs --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 cd489fc8de806c966e78a079530bdde090b77eee ............................................................................................................................................................ 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_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/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_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs --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 cd489fc8de806c966e78a079530bdde090b77eee ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:00:44,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:00:44,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:00:44,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:00:44,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:00:44,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:00:44,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:00:44,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:00:44,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:00:44,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:00:44,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:00:44,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:00:44,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:00:44,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:00:44,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:00:44,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:00:44,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:00:44,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:00:44,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:00:44,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:00:44,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:00:44,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:00:44,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:00:44,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:00:44,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:00:44,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:00:44,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:00:44,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:00:44,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:00:44,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:00:44,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:00:44,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:00:44,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:00:44,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:00:44,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:00:44,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:00:44,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:00:44,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:00:44,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:00:44,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:00:44,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:00:44,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-16 02:00:44,309 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:00:44,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:00:44,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:00:44,311 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:00:44,311 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:00:44,312 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:00:44,312 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:00:44,312 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:00:44,312 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:00:44,313 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:00:44,313 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:00:44,313 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:00:44,314 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:00:44,314 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:00:44,314 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:00:44,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:00:44,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:00:44,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:00:44,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:00:44,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:00:44,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:00:44,317 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:00:44,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:00:44,317 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:00:44,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:00:44,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:00:44,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:00:44,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:00:44,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:00:44,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:00:44,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:00:44,320 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:00:44,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:00:44,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:00:44,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:00:44,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:00:44,321 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_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd489fc8de806c966e78a079530bdde090b77eee [2021-10-16 02:00:44,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:00:44,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:00:44,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:00:44,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:00:44,622 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:00:44,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-10-16 02:00:44,710 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/data/37921eadd/53652052c3374d23a91fb5b62a4b93bc/FLAG5a36009aa [2021-10-16 02:00:46,131 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:00:46,132 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-10-16 02:00:46,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/data/37921eadd/53652052c3374d23a91fb5b62a4b93bc/FLAG5a36009aa [2021-10-16 02:00:46,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/data/37921eadd/53652052c3374d23a91fb5b62a4b93bc [2021-10-16 02:00:46,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:00:46,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:00:46,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:00:46,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:00:46,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:00:46,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:00:46" (1/1) ... [2021-10-16 02:00:46,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9f0336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:46, skipping insertion in model container [2021-10-16 02:00:46,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:00:46" (1/1) ... [2021-10-16 02:00:46,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:00:46,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:00:53,690 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,692 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,694 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,696 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,777 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,778 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,779 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,782 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,782 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,783 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,784 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,798 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,799 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:53,800 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:54,264 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:54,265 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:55,104 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:55,125 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:55,128 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:55,150 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:55,152 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:00:55,402 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2021-10-16 02:00:55,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31ae0df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:55, skipping insertion in model container [2021-10-16 02:00:55,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:00:55,404 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:00:55,407 INFO L168 Benchmark]: Toolchain (without parser) took 8768.24 ms. Allocated memory was 125.8 MB in the beginning and 211.8 MB in the end (delta: 86.0 MB). Free memory was 73.8 MB in the beginning and 103.6 MB in the end (delta: -29.8 MB). Peak memory consumption was 94.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:00:55,408 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory is still 81.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:00:55,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8764.13 ms. Allocated memory was 125.8 MB in the beginning and 211.8 MB in the end (delta: 86.0 MB). Free memory was 73.8 MB in the beginning and 103.6 MB in the end (delta: -29.8 MB). Peak memory consumption was 94.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:00:55,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory is still 81.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 8764.13 ms. Allocated memory was 125.8 MB in the beginning and 211.8 MB in the end (delta: 86.0 MB). Free memory was 73.8 MB in the beginning and 103.6 MB in the end (delta: -29.8 MB). Peak memory consumption was 94.4 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:00:58,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:00:58,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:00:58,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:00:58,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:00:58,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:00:58,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:00:58,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:00:58,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:00:58,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:00:58,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:00:58,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:00:58,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:00:58,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:00:58,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:00:58,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:00:58,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:00:58,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:00:58,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:00:58,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:00:58,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:00:58,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:00:58,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:00:58,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:00:58,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:00:58,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:00:58,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:00:58,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:00:58,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:00:58,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:00:58,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:00:58,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:00:58,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:00:58,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:00:58,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:00:58,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:00:58,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:00:58,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:00:58,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:00:58,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:00:58,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:00:58,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-16 02:00:58,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:00:58,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:00:58,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:00:58,303 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:00:58,304 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:00:58,304 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:00:58,304 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:00:58,304 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:00:58,305 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:00:58,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:00:58,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:00:58,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:00:58,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:00:58,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:00:58,309 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:00:58,309 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:00:58,309 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:00:58,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:00:58,310 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:00:58,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:00:58,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:00:58,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:00:58,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:00:58,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:00:58,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:00:58,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:00:58,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:00:58,312 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:00:58,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:00:58,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:00:58,313 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:00:58,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:00:58,313 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_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd489fc8de806c966e78a079530bdde090b77eee [2021-10-16 02:00:58,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:00:58,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:00:58,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:00:58,815 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:00:58,816 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:00:58,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-10-16 02:00:58,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/data/906e5303e/ce623c4cb41e422f82ff5b81e605776c/FLAG90ee3c255 [2021-10-16 02:01:00,729 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:01:00,731 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-10-16 02:01:00,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/data/906e5303e/ce623c4cb41e422f82ff5b81e605776c/FLAG90ee3c255 [2021-10-16 02:01:00,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238db0f5-addd-409c-9030-1cdb0a9a1fb0/bin/utaipan-mTDlp9Zugs/data/906e5303e/ce623c4cb41e422f82ff5b81e605776c [2021-10-16 02:01:00,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:01:00,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:01:00,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:01:00,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:01:00,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:01:00,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:00" (1/1) ... [2021-10-16 02:01:00,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f670d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:00, skipping insertion in model container [2021-10-16 02:01:00,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:00" (1/1) ... [2021-10-16 02:01:00,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:01:01,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:01:10,461 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2021-10-16 02:01:10,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f82b9a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:10, skipping insertion in model container [2021-10-16 02:01:10,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:01:10,463 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:01:10,466 INFO L168 Benchmark]: Toolchain (without parser) took 9531.81 ms. Allocated memory was 88.1 MB in the beginning and 264.2 MB in the end (delta: 176.2 MB). Free memory was 41.3 MB in the beginning and 191.7 MB in the end (delta: -150.4 MB). Peak memory consumption was 76.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:01:10,468 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:01:10,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 9526.20 ms. Allocated memory was 88.1 MB in the beginning and 264.2 MB in the end (delta: 176.2 MB). Free memory was 41.0 MB in the beginning and 191.7 MB in the end (delta: -150.7 MB). Peak memory consumption was 73.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:01:10,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 9526.20 ms. Allocated memory was 88.1 MB in the beginning and 264.2 MB in the end (delta: 176.2 MB). Free memory was 41.0 MB in the beginning and 191.7 MB in the end (delta: -150.7 MB). Peak memory consumption was 73.9 MB. Max. memory is 16.1 GB. * 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...