./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/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_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:14:23,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:14:23,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:14:23,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:14:23,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:14:23,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:14:23,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:14:23,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:14:23,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:14:23,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:14:23,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:14:23,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:14:23,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:14:23,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:14:23,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:14:23,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:14:23,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:14:23,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:14:23,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:14:23,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:14:23,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:14:23,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:14:23,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:14:23,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:14:23,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:14:23,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:14:23,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:14:23,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:14:23,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:14:23,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:14:23,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:14:23,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:14:23,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:14:23,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:14:23,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:14:23,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:14:23,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:14:23,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:14:23,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:14:23,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:14:23,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:14:23,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:14:23,306 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:14:23,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:14:23,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:14:23,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:14:23,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:14:23,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:14:23,308 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:14:23,308 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:14:23,308 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:14:23,309 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:14:23,310 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:14:23,310 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:14:23,310 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:14:23,310 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:14:23,311 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:14:23,311 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:14:23,311 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:14:23,311 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:14:23,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:14:23,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:14:23,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:14:23,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:14:23,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:14:23,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:14:23,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:14:23,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:14:23,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:14:23,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:14:23,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:14:23,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:14:23,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:14:23,316 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:14:23,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:14:23,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:14:23,318 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:14:23,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:14:23,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:14:23,318 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:14:23,318 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_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2022-11-19 07:14:23,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:14:23,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:14:23,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:14:23,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:14:23,635 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:14:23,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2022-11-19 07:14:23,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/data/10399fd9e/6717afb0d9c94204852bce5abbeaece7/FLAGec0fde1c7 [2022-11-19 07:14:25,076 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:14:25,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2022-11-19 07:14:25,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/data/10399fd9e/6717afb0d9c94204852bce5abbeaece7/FLAGec0fde1c7 [2022-11-19 07:14:25,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/data/10399fd9e/6717afb0d9c94204852bce5abbeaece7 [2022-11-19 07:14:25,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:14:25,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:14:25,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:14:25,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:14:25,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:14:25,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:14:25" (1/1) ... [2022-11-19 07:14:25,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649c39f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:25, skipping insertion in model container [2022-11-19 07:14:25,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:14:25" (1/1) ... [2022-11-19 07:14:25,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:14:25,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:14:56,497 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2022-11-19 07:14:56,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b65a9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:14:56, skipping insertion in model container [2022-11-19 07:14:56,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:14:56,499 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:14:56,501 INFO L158 Benchmark]: Toolchain (without parser) took 30972.56ms. Allocated memory was 136.3MB in the beginning and 245.4MB in the end (delta: 109.1MB). Free memory was 60.5MB in the beginning and 174.2MB in the end (delta: -113.8MB). Peak memory consumption was 105.1MB. Max. memory is 16.1GB. [2022-11-19 07:14:56,502 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:14:56,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 30967.17ms. Allocated memory was 136.3MB in the beginning and 245.4MB in the end (delta: 109.1MB). Free memory was 60.2MB in the beginning and 174.2MB in the end (delta: -114.1MB). Peak memory consumption was 105.1MB. Max. memory is 16.1GB. [2022-11-19 07:14:56,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 30967.17ms. Allocated memory was 136.3MB in the beginning and 245.4MB in the end (delta: 109.1MB). Free memory was 60.2MB in the beginning and 174.2MB in the end (delta: -114.1MB). Peak memory consumption was 105.1MB. 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/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_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:14:58,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:14:58,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:14:58,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:14:58,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:14:58,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:14:58,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:14:58,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:14:58,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:14:58,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:14:58,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:14:58,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:14:58,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:14:58,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:14:58,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:14:58,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:14:58,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:14:58,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:14:58,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:14:58,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:14:58,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:14:58,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:14:58,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:14:58,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:14:58,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:14:58,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:14:58,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:14:58,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:14:58,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:14:58,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:14:58,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:14:58,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:14:58,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:14:58,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:14:58,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:14:58,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:14:58,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:14:58,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:14:58,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:14:58,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:14:58,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:14:58,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 07:14:58,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:14:58,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:14:58,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:14:58,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:14:58,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:14:58,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:14:58,593 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:14:58,593 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:14:58,593 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:14:58,593 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:14:58,594 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:14:58,595 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:14:58,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:14:58,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:14:58,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:14:58,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:14:58,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:14:58,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:14:58,597 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:14:58,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:14:58,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:14:58,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:14:58,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:14:58,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:14:58,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:14:58,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:14:58,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:14:58,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:14:58,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:14:58,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:14:58,600 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:14:58,600 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:14:58,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:14:58,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:14:58,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:14:58,601 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_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2022-11-19 07:14:58,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:14:58,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:14:58,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:14:58,994 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:14:58,995 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:14:58,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2022-11-19 07:14:59,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/data/8f371e1a1/30750d9ac8f647a694680c81be896126/FLAG67161a1a5 [2022-11-19 07:15:00,682 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:15:00,682 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2022-11-19 07:15:00,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/data/8f371e1a1/30750d9ac8f647a694680c81be896126/FLAG67161a1a5 [2022-11-19 07:15:01,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5defff-7a2b-424e-96bb-7574da1ff950/bin/utaipan-I9t0OCRTmS/data/8f371e1a1/30750d9ac8f647a694680c81be896126 [2022-11-19 07:15:01,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:15:01,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:15:01,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:15:01,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:15:01,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:15:01,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:15:01" (1/1) ... [2022-11-19 07:15:01,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5309d013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:01, skipping insertion in model container [2022-11-19 07:15:01,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:15:01" (1/1) ... [2022-11-19 07:15:01,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:15:01,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:15:09,149 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2022-11-19 07:15:09,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@486f6d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:09, skipping insertion in model container [2022-11-19 07:15:09,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:15:09,151 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:15:09,153 INFO L158 Benchmark]: Toolchain (without parser) took 8062.39ms. Allocated memory was 69.2MB in the beginning and 216.0MB in the end (delta: 146.8MB). Free memory was 27.1MB in the beginning and 148.4MB in the end (delta: -121.3MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2022-11-19 07:15:09,153 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:15:09,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8058.89ms. Allocated memory was 69.2MB in the beginning and 216.0MB in the end (delta: 146.8MB). Free memory was 26.9MB in the beginning and 148.4MB in the end (delta: -121.4MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2022-11-19 07:15:09,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8058.89ms. Allocated memory was 69.2MB in the beginning and 216.0MB in the end (delta: 146.8MB). Free memory was 26.9MB in the beginning and 148.4MB in the end (delta: -121.4MB). Peak memory consumption was 70.8MB. 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