./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/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_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P --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 0.2.1-dev-53f42b1 [2021-11-20 23:14:54,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:14:54,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:14:54,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:14:54,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:14:54,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:14:54,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:14:54,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:14:54,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:14:54,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:14:54,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:14:54,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:14:54,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:14:54,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:14:54,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:14:54,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:14:54,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:14:54,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:14:54,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:14:54,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:14:54,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:14:54,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:14:54,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:14:54,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:14:54,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:14:54,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:14:54,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:14:54,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:14:54,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:14:54,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:14:54,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:14:54,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:14:54,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:14:54,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:14:54,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:14:54,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:14:54,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:14:54,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:14:54,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:14:54,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:14:54,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:14:54,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:14:55,035 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:14:55,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:14:55,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:14:55,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:14:55,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:14:55,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:14:55,037 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:14:55,037 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:14:55,038 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:14:55,038 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:14:55,038 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:14:55,043 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:14:55,043 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:14:55,043 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:14:55,043 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:14:55,044 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:14:55,044 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:14:55,044 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:14:55,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:14:55,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:14:55,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:14:55,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:14:55,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:14:55,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:14:55,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:14:55,046 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:14:55,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:14:55,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:14:55,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:14:55,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:14:55,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:14:55,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:14:55,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:14:55,049 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:14:55,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:14:55,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:14:55,050 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:14:55,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:14:55,051 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_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59efbe18b93ca6a5964cc2c7e37460a10acde145058269d5fa0e5c9a5026751d [2021-11-20 23:14:55,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:14:55,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:14:55,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:14:55,394 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:14:55,395 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:14:55,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-20 23:14:55,481 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/data/b7a994329/43c69f70496442668e924d9ce45af362/FLAGf7cccbf80 [2021-11-20 23:14:56,886 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:14:56,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-20 23:14:56,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/data/b7a994329/43c69f70496442668e924d9ce45af362/FLAGf7cccbf80 [2021-11-20 23:14:57,472 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/data/b7a994329/43c69f70496442668e924d9ce45af362 [2021-11-20 23:14:57,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:14:57,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:14:57,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:14:57,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:14:57,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:14:57,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:57" (1/1) ... [2021-11-20 23:14:57,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a998506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:57, skipping insertion in model container [2021-11-20 23:14:57,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:57" (1/1) ... [2021-11-20 23:14:57,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:14:57,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:15:05,611 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2021-11-20 23:15:05,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c09e27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:05, skipping insertion in model container [2021-11-20 23:15:05,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:15:05,613 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:15:05,616 INFO L158 Benchmark]: Toolchain (without parser) took 8138.44ms. Allocated memory was 157.3MB in the beginning and 237.0MB in the end (delta: 79.7MB). Free memory was 115.5MB in the beginning and 161.4MB in the end (delta: -45.9MB). Peak memory consumption was 101.5MB. Max. memory is 16.1GB. [2021-11-20 23:15:05,618 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 69.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:15:05,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8136.16ms. Allocated memory was 157.3MB in the beginning and 237.0MB in the end (delta: 79.7MB). Free memory was 115.5MB in the beginning and 161.4MB in the end (delta: -45.9MB). Peak memory consumption was 101.5MB. Max. memory is 16.1GB. [2021-11-20 23:15:05,622 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 69.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8136.16ms. Allocated memory was 157.3MB in the beginning and 237.0MB in the end (delta: 79.7MB). Free memory was 115.5MB in the beginning and 161.4MB in the end (delta: -45.9MB). Peak memory consumption was 101.5MB. 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_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/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_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P --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 0.2.1-dev-53f42b1 [2021-11-20 23:15:07,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:15:07,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:15:07,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:15:07,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:15:07,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:15:07,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:15:07,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:15:08,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:15:08,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:15:08,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:15:08,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:15:08,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:15:08,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:15:08,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:15:08,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:15:08,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:15:08,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:15:08,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:15:08,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:15:08,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:15:08,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:15:08,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:15:08,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:15:08,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:15:08,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:15:08,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:15:08,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:15:08,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:15:08,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:15:08,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:15:08,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:15:08,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:15:08,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:15:08,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:15:08,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:15:08,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:15:08,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:15:08,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:15:08,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:15:08,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:15:08,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-20 23:15:08,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:15:08,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:15:08,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:15:08,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:15:08,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:15:08,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:15:08,075 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:15:08,075 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:15:08,075 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:15:08,075 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:15:08,075 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:15:08,075 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:15:08,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:15:08,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:15:08,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:15:08,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:15:08,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:15:08,077 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:15:08,077 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:15:08,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:15:08,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:15:08,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:15:08,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:15:08,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:15:08,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:15:08,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:15:08,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:15:08,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:15:08,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:15:08,079 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:15:08,080 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:15:08,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:15:08,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:15:08,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:15:08,080 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_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59efbe18b93ca6a5964cc2c7e37460a10acde145058269d5fa0e5c9a5026751d [2021-11-20 23:15:08,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:15:08,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:15:08,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:15:08,573 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:15:08,574 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:15:08,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-20 23:15:08,635 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/data/9fa596460/30ce9839d18e447090cc139f7900ca56/FLAGbd0db4a78 [2021-11-20 23:15:10,075 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:15:10,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-20 23:15:10,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/data/9fa596460/30ce9839d18e447090cc139f7900ca56/FLAGbd0db4a78 [2021-11-20 23:15:10,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02eb3fdd-d69d-4f7c-a2b4-6be585d467ff/bin/utaipan-TEXQjIfE4P/data/9fa596460/30ce9839d18e447090cc139f7900ca56 [2021-11-20 23:15:10,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:15:10,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:15:10,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:15:10,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:15:10,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:15:10,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:15:10" (1/1) ... [2021-11-20 23:15:10,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c345603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:10, skipping insertion in model container [2021-11-20 23:15:10,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:15:10" (1/1) ... [2021-11-20 23:15:10,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:15:11,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:15:17,926 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2021-11-20 23:15:17,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@629db182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:17, skipping insertion in model container [2021-11-20 23:15:17,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:15:17,928 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:15:17,932 INFO L158 Benchmark]: Toolchain (without parser) took 7372.00ms. Allocated memory was 86.0MB in the beginning and 203.4MB in the end (delta: 117.4MB). Free memory was 32.9MB in the beginning and 106.4MB in the end (delta: -73.4MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2021-11-20 23:15:17,934 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 68.2MB in the beginning and 68.1MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:15:17,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7332.11ms. Allocated memory was 86.0MB in the beginning and 203.4MB in the end (delta: 117.4MB). Free memory was 54.0MB in the beginning and 107.4MB in the end (delta: -53.4MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2021-11-20 23:15:17,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 68.2MB in the beginning and 68.1MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7332.11ms. Allocated memory was 86.0MB in the beginning and 203.4MB in the end (delta: 117.4MB). Free memory was 54.0MB in the beginning and 107.4MB in the end (delta: -53.4MB). Peak memory consumption was 64.2MB. 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