./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/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_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:24:58,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:24:58,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:24:58,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:24:58,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:24:58,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:24:58,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:24:58,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:24:58,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:24:58,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:24:58,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:24:58,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:24:58,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:24:58,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:24:58,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:24:58,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:24:58,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:24:58,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:24:58,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:24:58,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:24:58,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:24:58,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:24:58,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:24:58,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:24:58,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:24:58,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:24:58,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:24:58,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:24:58,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:24:58,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:24:58,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:24:58,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:24:58,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:24:58,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:24:58,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:24:58,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:24:58,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:24:58,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:24:58,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:24:58,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:24:58,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:24:58,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:24:58,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:24:58,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:24:58,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:24:58,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:24:58,806 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:24:58,807 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:24:58,807 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:24:58,807 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:24:58,808 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:24:58,808 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:24:58,809 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:24:58,810 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:24:58,810 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:24:58,810 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:24:58,811 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:24:58,811 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:24:58,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:24:58,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:24:58,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:24:58,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:24:58,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:24:58,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:24:58,814 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:24:58,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:24:58,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:24:58,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:24:58,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:24:58,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:24:58,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:24:58,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:24:58,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:24:58,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:24:58,819 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:24:58,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:24:58,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:24:58,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:24:58,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:24:58,820 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_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-11-19 13:24:59,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:24:59,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:24:59,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:24:59,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:24:59,231 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:24:59,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-19 13:24:59,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/data/2edff3358/04921b125aa440a28f1adf11b71b24ad/FLAGccb507159 [2021-11-19 13:25:01,140 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:25:01,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-19 13:25:01,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/data/2edff3358/04921b125aa440a28f1adf11b71b24ad/FLAGccb507159 [2021-11-19 13:25:01,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/data/2edff3358/04921b125aa440a28f1adf11b71b24ad [2021-11-19 13:25:01,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:25:01,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:25:01,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:01,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:25:01,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:25:01,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:01" (1/1) ... [2021-11-19 13:25:01,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee65a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:01, skipping insertion in model container [2021-11-19 13:25:01,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:01" (1/1) ... [2021-11-19 13:25:01,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:25:02,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:25:09,475 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,478 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,479 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,482 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,604 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,605 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,606 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,610 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,611 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,612 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,613 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,636 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,637 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,638 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:10,264 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:10,265 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:11,171 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:11,193 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:11,196 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:11,220 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:11,223 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:11,523 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2021-11-19 13:25:11,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@498b8c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:11, skipping insertion in model container [2021-11-19 13:25:11,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:11,525 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:25:11,528 INFO L158 Benchmark]: Toolchain (without parser) took 9663.75ms. Allocated memory was 117.4MB in the beginning and 188.7MB in the end (delta: 71.3MB). Free memory was 69.2MB in the beginning and 96.2MB in the end (delta: -27.0MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2021-11-19 13:25:11,529 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:25:11,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9660.71ms. Allocated memory was 117.4MB in the beginning and 188.7MB in the end (delta: 71.3MB). Free memory was 68.9MB in the beginning and 96.2MB in the end (delta: -27.3MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2021-11-19 13:25:11,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9660.71ms. Allocated memory was 117.4MB in the beginning and 188.7MB in the end (delta: 71.3MB). Free memory was 68.9MB in the beginning and 96.2MB in the end (delta: -27.3MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/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_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:25:14,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:25:14,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:25:14,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:25:14,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:25:14,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:25:14,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:25:14,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:25:14,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:25:14,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:25:14,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:25:14,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:25:14,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:25:14,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:25:14,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:25:14,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:25:14,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:25:14,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:25:14,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:25:14,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:25:14,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:25:14,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:25:14,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:25:14,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:25:14,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:25:14,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:25:14,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:25:14,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:25:14,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:25:14,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:25:14,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:25:14,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:25:14,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:25:14,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:25:14,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:25:14,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:25:14,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:25:14,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:25:14,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:25:14,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:25:14,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:25:14,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:25:14,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:25:14,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:25:14,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:25:14,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:25:14,462 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:25:14,462 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:25:14,462 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:25:14,463 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:25:14,463 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:25:14,463 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:25:14,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:25:14,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:25:14,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:25:14,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:25:14,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:25:14,466 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:25:14,466 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:25:14,466 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:25:14,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:25:14,467 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:25:14,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:25:14,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:25:14,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:25:14,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:25:14,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:25:14,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:25:14,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:25:14,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:25:14,469 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:25:14,470 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:25:14,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:25:14,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:25:14,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:25:14,471 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_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-11-19 13:25:14,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:25:14,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:25:14,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:25:14,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:25:14,924 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:25:14,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-19 13:25:15,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/data/4098c3cc9/e644814038f14343a3e4ba7deabd8a19/FLAGbd90e0065 [2021-11-19 13:25:16,913 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:25:16,915 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-19 13:25:17,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/data/4098c3cc9/e644814038f14343a3e4ba7deabd8a19/FLAGbd90e0065 [2021-11-19 13:25:17,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f136748-52ab-4a4c-8fd1-b1eb1aca5858/bin/utaipan-UbGMyvGFUs/data/4098c3cc9/e644814038f14343a3e4ba7deabd8a19 [2021-11-19 13:25:17,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:25:17,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:25:17,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:17,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:25:17,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:25:17,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:17" (1/1) ... [2021-11-19 13:25:17,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14008051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:17, skipping insertion in model container [2021-11-19 13:25:17,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:17" (1/1) ... [2021-11-19 13:25:17,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:25:17,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:25:27,454 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2021-11-19 13:25:27,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a18d3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:27, skipping insertion in model container [2021-11-19 13:25:27,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:27,456 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:25:27,459 INFO L158 Benchmark]: Toolchain (without parser) took 9930.74ms. Allocated memory was 77.6MB in the beginning and 234.9MB in the end (delta: 157.3MB). Free memory was 32.5MB in the beginning and 131.5MB in the end (delta: -99.1MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2021-11-19 13:25:27,460 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 60.8MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:25:27,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9927.59ms. Allocated memory was 77.6MB in the beginning and 234.9MB in the end (delta: 157.3MB). Free memory was 32.2MB in the beginning and 132.6MB in the end (delta: -100.3MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2021-11-19 13:25:27,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 60.8MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9927.59ms. Allocated memory was 77.6MB in the beginning and 234.9MB in the end (delta: 157.3MB). Free memory was 32.2MB in the beginning and 132.6MB in the end (delta: -100.3MB). Peak memory consumption was 73.3MB. 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