./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/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-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cd489fc8de806c966e78a079530bdde090b77eee ............................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/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-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cd489fc8de806c966e78a079530bdde090b77eee ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:38:17,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:38:17,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:38:17,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:38:17,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:38:17,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:38:17,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:38:17,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:38:17,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:38:17,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:38:17,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:38:17,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:38:17,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:38:17,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:38:17,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:38:17,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:38:17,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:38:17,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:38:17,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:38:17,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:38:17,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:38:17,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:38:17,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:38:17,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:38:17,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:38:17,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:38:17,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:38:17,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:38:17,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:38:17,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:38:17,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:38:17,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:38:17,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:38:17,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:38:17,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:38:17,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:38:17,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:38:17,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:38:17,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:38:17,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:38:17,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:38:17,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-12-03 12:38:17,746 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:38:17,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:38:17,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:38:17,748 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:38:17,749 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:38:17,749 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:38:17,749 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:38:17,749 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:38:17,750 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:38:17,750 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:38:17,751 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:38:17,752 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:38:17,752 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:38:17,752 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:38:17,753 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:38:17,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:38:17,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:38:17,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:38:17,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:38:17,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:38:17,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:38:17,755 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:38:17,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:38:17,756 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:38:17,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:38:17,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:38:17,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:38:17,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:38:17,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:38:17,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:38:17,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:38:17,758 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:38:17,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:38:17,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:38:17,759 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:38:17,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:38:17,760 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-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd489fc8de806c966e78a079530bdde090b77eee [2020-12-03 12:38:18,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:38:18,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:38:18,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:38:18,136 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:38:18,137 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:38:18,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-12-03 12:38:18,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/data/ebbd79715/8b0514c9794040f5a9c4f19c4c0f49de/FLAG68ac8d763 [2020-12-03 12:38:19,648 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:38:19,649 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-12-03 12:38:19,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/data/ebbd79715/8b0514c9794040f5a9c4f19c4c0f49de/FLAG68ac8d763 [2020-12-03 12:38:20,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/data/ebbd79715/8b0514c9794040f5a9c4f19c4c0f49de [2020-12-03 12:38:20,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:38:20,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:38:20,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:38:20,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:38:20,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:38:20,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:20" (1/1) ... [2020-12-03 12:38:20,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6464609e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:20, skipping insertion in model container [2020-12-03 12:38:20,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:20" (1/1) ... [2020-12-03 12:38:20,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:38:20,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:38:26,097 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,099 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,100 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,102 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,177 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,178 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,179 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,181 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,182 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,183 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,184 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,202 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,202 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,203 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,595 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:26,596 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:27,215 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:27,229 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:27,232 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:27,247 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:27,249 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-03 12:38:27,460 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2020-12-03 12:38:27,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72a70b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:27, skipping insertion in model container [2020-12-03 12:38:27,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:38:27,462 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:38:27,465 INFO L168 Benchmark]: Toolchain (without parser) took 7313.80 ms. Allocated memory was 94.4 MB in the beginning and 207.6 MB in the end (delta: 113.2 MB). Free memory was 39.1 MB in the beginning and 103.3 MB in the end (delta: -64.2 MB). Peak memory consumption was 74.5 MB. Max. memory is 16.1 GB. [2020-12-03 12:38:27,467 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory was 70.4 MB in the beginning and 70.4 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:38:27,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7307.90 ms. Allocated memory was 94.4 MB in the beginning and 207.6 MB in the end (delta: 113.2 MB). Free memory was 38.7 MB in the beginning and 103.3 MB in the end (delta: -64.6 MB). Peak memory consumption was 72.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:38:27,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 94.4 MB. Free memory was 70.4 MB in the beginning and 70.4 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 7307.90 ms. Allocated memory was 94.4 MB in the beginning and 207.6 MB in the end (delta: 113.2 MB). Free memory was 38.7 MB in the beginning and 103.3 MB in the end (delta: -64.6 MB). Peak memory consumption was 72.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:38:29,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:38:29,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:38:29,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:38:29,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:38:29,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:38:29,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:38:29,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:38:29,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:38:29,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:38:29,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:38:29,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:38:29,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:38:29,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:38:29,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:38:29,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:38:29,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:38:29,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:38:29,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:38:29,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:38:29,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:38:29,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:38:29,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:38:29,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:38:29,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:38:29,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:38:29,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:38:29,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:38:29,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:38:29,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:38:29,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:38:29,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:38:29,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:38:29,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:38:29,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:38:29,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:38:29,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:38:29,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:38:29,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:38:29,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:38:29,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:38:29,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-12-03 12:38:29,934 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:38:29,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:38:29,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:38:29,935 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:38:29,936 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:38:29,936 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:38:29,936 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:38:29,937 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:38:29,937 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:38:29,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:38:29,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:38:29,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:38:29,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:38:29,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:38:29,939 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:38:29,939 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 12:38:29,940 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 12:38:29,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:38:29,940 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:38:29,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:38:29,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:38:29,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 12:38:29,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:38:29,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:38:29,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:38:29,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:38:29,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:38:29,942 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-03 12:38:29,942 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 12:38:29,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:38:29,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:38:29,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:38:29,943 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-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd489fc8de806c966e78a079530bdde090b77eee [2020-12-03 12:38:30,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:38:30,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:38:30,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:38:30,388 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:38:30,389 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:38:30,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-12-03 12:38:30,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/data/9f6a166ff/6276ba228055422f88c160e3e778025c/FLAG71cbc4ae2 [2020-12-03 12:38:31,967 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:38:31,969 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-12-03 12:38:32,073 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/data/9f6a166ff/6276ba228055422f88c160e3e778025c/FLAG71cbc4ae2 [2020-12-03 12:38:32,349 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec2c16e5-3a5e-47ee-aee0-bab66e98a3f2/bin/utaipan/data/9f6a166ff/6276ba228055422f88c160e3e778025c [2020-12-03 12:38:32,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:38:32,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:38:32,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:38:32,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:38:32,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:38:32,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:32" (1/1) ... [2020-12-03 12:38:32,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f3fa0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:32, skipping insertion in model container [2020-12-03 12:38:32,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:32" (1/1) ... [2020-12-03 12:38:32,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:38:32,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:38:41,381 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2020-12-03 12:38:41,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fc0597d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:41, skipping insertion in model container [2020-12-03 12:38:41,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:38:41,383 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:38:41,387 INFO L168 Benchmark]: Toolchain (without parser) took 9031.40 ms. Allocated memory was 69.2 MB in the beginning and 188.7 MB in the end (delta: 119.5 MB). Free memory was 33.6 MB in the beginning and 113.6 MB in the end (delta: -79.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:38:41,389 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 69.2 MB. Free memory was 52.3 MB in the beginning and 52.2 MB in the end (delta: 66.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:38:41,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 9029.23 ms. Allocated memory was 69.2 MB in the beginning and 188.7 MB in the end (delta: 119.5 MB). Free memory was 33.5 MB in the beginning and 113.6 MB in the end (delta: -80.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:38:41,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 69.2 MB. Free memory was 52.3 MB in the beginning and 52.2 MB in the end (delta: 66.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 9029.23 ms. Allocated memory was 69.2 MB in the beginning and 188.7 MB in the end (delta: 119.5 MB). Free memory was 33.5 MB in the beginning and 113.6 MB in the end (delta: -80.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...