./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7 --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 59efbe18b93ca6a5964cc2c7e37460a10acde145058269d5fa0e5c9a5026751d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:06:09,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:06:09,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:06:09,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:06:09,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:06:09,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:06:09,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:06:09,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:06:09,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:06:09,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:06:09,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:06:09,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:06:09,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:06:09,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:06:09,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:06:09,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:06:09,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:06:09,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:06:09,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:06:09,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:06:09,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:06:09,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:06:09,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:06:09,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:06:09,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:06:09,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:06:09,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:06:09,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:06:09,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:06:09,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:06:09,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:06:09,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:06:09,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:06:09,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:06:09,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:06:09,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:06:09,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:06:09,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:06:09,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:06:09,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:06:09,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:06:09,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:06:09,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:06:09,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:06:09,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:06:09,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:06:09,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:06:09,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:06:09,440 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:06:09,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:06:09,446 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:06:09,446 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:06:09,447 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:06:09,447 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:06:09,447 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:06:09,448 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:06:09,448 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:06:09,448 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:06:09,448 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:06:09,448 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:06:09,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:06:09,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:06:09,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:06:09,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:06:09,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:06:09,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:06:09,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:06:09,451 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:06:09,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:06:09,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:06:09,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:06:09,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:06:09,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:06:09,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:06:09,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:06:09,454 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:06:09,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:06:09,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:06:09,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:06:09,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:06:09,455 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_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59efbe18b93ca6a5964cc2c7e37460a10acde145058269d5fa0e5c9a5026751d [2021-11-25 20:06:09,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:06:09,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:06:09,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:06:09,808 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:06:09,810 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:06:09,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-25 20:06:09,897 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/data/dd2aa8aec/da4918c4a2de4df1b0da374b7023ac12/FLAG3d487ec07 [2021-11-25 20:06:11,238 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:06:11,239 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-25 20:06:11,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/data/dd2aa8aec/da4918c4a2de4df1b0da374b7023ac12/FLAG3d487ec07 [2021-11-25 20:06:11,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/data/dd2aa8aec/da4918c4a2de4df1b0da374b7023ac12 [2021-11-25 20:06:11,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:06:11,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:06:11,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:06:11,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:06:11,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:06:11,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:06:11" (1/1) ... [2021-11-25 20:06:11,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211be58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:11, skipping insertion in model container [2021-11-25 20:06:11,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:06:11" (1/1) ... [2021-11-25 20:06:11,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:06:12,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:06:18,786 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2021-11-25 20:06:18,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f9abad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:18, skipping insertion in model container [2021-11-25 20:06:18,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:06:18,789 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 20:06:18,792 INFO L158 Benchmark]: Toolchain (without parser) took 7016.32ms. Allocated memory was 111.1MB in the beginning and 287.3MB in the end (delta: 176.2MB). Free memory was 55.1MB in the beginning and 146.3MB in the end (delta: -91.2MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2021-11-25 20:06:18,793 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:06:18,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7010.93ms. Allocated memory was 111.1MB in the beginning and 287.3MB in the end (delta: 176.2MB). Free memory was 54.7MB in the beginning and 146.3MB in the end (delta: -91.6MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2021-11-25 20:06:18,798 INFO L339 ainManager$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 111.1MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7010.93ms. Allocated memory was 111.1MB in the beginning and 287.3MB in the end (delta: 176.2MB). Free memory was 54.7MB in the beginning and 146.3MB in the end (delta: -91.6MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15115]: 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_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7 --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 59efbe18b93ca6a5964cc2c7e37460a10acde145058269d5fa0e5c9a5026751d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:06:21,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:06:21,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:06:21,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:06:21,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:06:21,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:06:21,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:06:21,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:06:21,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:06:21,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:06:21,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:06:21,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:06:21,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:06:21,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:06:21,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:06:21,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:06:21,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:06:21,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:06:21,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:06:21,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:06:21,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:06:21,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:06:21,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:06:21,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:06:21,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:06:21,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:06:21,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:06:21,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:06:21,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:06:21,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:06:21,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:06:21,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:06:21,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:06:21,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:06:21,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:06:21,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:06:21,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:06:21,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:06:21,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:06:21,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:06:21,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:06:21,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-25 20:06:21,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:06:21,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:06:21,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:06:21,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:06:21,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:06:21,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:06:21,248 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:06:21,248 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:06:21,248 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:06:21,249 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:06:21,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:06:21,249 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:06:21,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:06:21,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:06:21,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:06:21,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:06:21,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:06:21,251 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 20:06:21,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 20:06:21,251 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 20:06:21,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:06:21,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:06:21,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:06:21,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:06:21,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 20:06:21,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:06:21,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:06:21,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:06:21,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:06:21,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:06:21,257 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 20:06:21,257 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 20:06:21,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:06:21,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:06:21,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:06:21,258 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_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59efbe18b93ca6a5964cc2c7e37460a10acde145058269d5fa0e5c9a5026751d [2021-11-25 20:06:21,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:06:21,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:06:21,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:06:21,677 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:06:21,678 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:06:21,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-25 20:06:21,740 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/data/4b9c461f7/ef6ed2a19e024cfeb789328f1f6d16b5/FLAGa20c68eff [2021-11-25 20:06:23,243 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:06:23,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-25 20:06:23,479 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/data/4b9c461f7/ef6ed2a19e024cfeb789328f1f6d16b5/FLAGa20c68eff [2021-11-25 20:06:23,593 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029f1661-42eb-426d-b4cc-9685ec33be27/bin/utaipan-eEHZpOm5b7/data/4b9c461f7/ef6ed2a19e024cfeb789328f1f6d16b5 [2021-11-25 20:06:23,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:06:23,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:06:23,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:06:23,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:06:23,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:06:23,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:06:23" (1/1) ... [2021-11-25 20:06:23,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe27f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:23, skipping insertion in model container [2021-11-25 20:06:23,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:06:23" (1/1) ... [2021-11-25 20:06:23,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:06:24,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:06:30,800 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2021-11-25 20:06:30,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3896be58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:06:30, skipping insertion in model container [2021-11-25 20:06:30,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:06:30,801 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 20:06:30,803 INFO L158 Benchmark]: Toolchain (without parser) took 7203.61ms. Allocated memory was 71.3MB in the beginning and 178.3MB in the end (delta: 107.0MB). Free memory was 29.0MB in the beginning and 85.1MB in the end (delta: -56.1MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2021-11-25 20:06:30,804 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 52.4MB. Free memory was 34.1MB in the beginning and 34.1MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:06:30,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7201.35ms. Allocated memory was 71.3MB in the beginning and 178.3MB in the end (delta: 107.0MB). Free memory was 28.8MB in the beginning and 85.1MB in the end (delta: -56.4MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2021-11-25 20:06:30,807 INFO L339 ainManager$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 52.4MB. Free memory was 34.1MB in the beginning and 34.1MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7201.35ms. Allocated memory was 71.3MB in the beginning and 178.3MB in the end (delta: 107.0MB). Free memory was 28.8MB in the beginning and 85.1MB in the end (delta: -56.4MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15115]: 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