./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/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-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/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 087f5c7675216216784da9a1af43af80d1a1b1b9 .............................................................................................................................................................. 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_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/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-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/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 087f5c7675216216784da9a1af43af80d1a1b1b9 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:13:31,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:13:31,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:13:31,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:13:31,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:13:31,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:13:31,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:13:31,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:13:31,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:13:31,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:13:31,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:13:31,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:13:31,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:13:31,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:13:31,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:13:31,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:13:31,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:13:31,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:13:31,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:13:31,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:13:31,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:13:31,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:13:31,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:13:31,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:13:31,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:13:31,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:13:31,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:13:31,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:13:31,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:13:31,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:13:31,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:13:31,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:13:31,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:13:31,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:13:31,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:13:31,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:13:31,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:13:31,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:13:31,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:13:31,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:13:31,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:13:31,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-30 02:13:31,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:13:31,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:13:31,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:13:31,609 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:13:31,610 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:13:31,610 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:13:31,610 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:13:31,610 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:13:31,611 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:13:31,611 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:13:31,612 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:13:31,612 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:13:31,613 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:13:31,613 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:13:31,613 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:13:31,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:13:31,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:13:31,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:13:31,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:13:31,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:13:31,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:13:31,615 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:13:31,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:13:31,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:13:31,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:13:31,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:13:31,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:13:31,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:13:31,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:13:31,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:13:31,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:13:31,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:13:31,618 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:13:31,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:13:31,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:13:31,619 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:13:31,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:13:31,619 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-30 02:13:31,619 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_82a75904-2b7d-474d-836f-a3b8000aad5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 087f5c7675216216784da9a1af43af80d1a1b1b9 [2020-11-30 02:13:31,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:13:31,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:13:31,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:13:31,934 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:13:31,935 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:13:31,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-11-30 02:13:32,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/data/d7ccab66d/335c176183594be699a511f00faf5c52/FLAG9b4af2d33 [2020-11-30 02:13:33,425 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:13:33,425 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-11-30 02:13:33,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/data/d7ccab66d/335c176183594be699a511f00faf5c52/FLAG9b4af2d33 [2020-11-30 02:13:33,829 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/data/d7ccab66d/335c176183594be699a511f00faf5c52 [2020-11-30 02:13:33,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:13:33,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:13:33,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:13:33,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:13:33,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:13:33,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:13:33" (1/1) ... [2020-11-30 02:13:33,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b428f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:33, skipping insertion in model container [2020-11-30 02:13:33,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:13:33" (1/1) ... [2020-11-30 02:13:33,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:13:34,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:13:39,598 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,601 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,602 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,604 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,688 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,689 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,690 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,693 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,694 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,695 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,696 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,713 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,714 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:39,715 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:40,195 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:40,196 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:41,008 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:41,025 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:41,028 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:41,049 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:41,052 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 02:13:41,280 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2020-11-30 02:13:41,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a092811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:41, skipping insertion in model container [2020-11-30 02:13:41,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:13:41,283 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 02:13:41,287 INFO L168 Benchmark]: Toolchain (without parser) took 7452.15 ms. Allocated memory was 100.7 MB in the beginning and 197.1 MB in the end (delta: 96.5 MB). Free memory was 56.0 MB in the beginning and 86.3 MB in the end (delta: -30.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:13:41,290 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 77.6 MB. Free memory was 35.2 MB in the beginning and 35.2 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:13:41,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7445.50 ms. Allocated memory was 100.7 MB in the beginning and 197.1 MB in the end (delta: 96.5 MB). Free memory was 55.7 MB in the beginning and 86.3 MB in the end (delta: -30.5 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:13:41,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 77.6 MB. Free memory was 35.2 MB in the beginning and 35.2 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 7445.50 ms. Allocated memory was 100.7 MB in the beginning and 197.1 MB in the end (delta: 96.5 MB). Free memory was 55.7 MB in the beginning and 86.3 MB in the end (delta: -30.5 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:13:43,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:13:43,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:13:43,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:13:43,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:13:43,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:13:43,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:13:43,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:13:43,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:13:43,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:13:43,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:13:43,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:13:43,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:13:43,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:13:43,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:13:43,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:13:43,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:13:43,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:13:43,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:13:43,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:13:43,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:13:43,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:13:43,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:13:43,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:13:43,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:13:43,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:13:43,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:13:43,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:13:43,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:13:43,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:13:43,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:13:43,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:13:43,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:13:43,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:13:43,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:13:43,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:13:43,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:13:43,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:13:43,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:13:43,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:13:43,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:13:43,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-30 02:13:43,882 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:13:43,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:13:43,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:13:43,885 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:13:43,885 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:13:43,885 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:13:43,886 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:13:43,886 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:13:43,886 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:13:43,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:13:43,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:13:43,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:13:43,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:13:43,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:13:43,890 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:13:43,890 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:13:43,890 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:13:43,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:13:43,891 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:13:43,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:13:43,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:13:43,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:13:43,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:13:43,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:13:43,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:13:43,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:13:43,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:13:43,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:13:43,893 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:13:43,894 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:13:43,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:13:43,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:13:43,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:13:43,895 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_82a75904-2b7d-474d-836f-a3b8000aad5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 087f5c7675216216784da9a1af43af80d1a1b1b9 [2020-11-30 02:13:44,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:13:44,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:13:44,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:13:44,376 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:13:44,376 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:13:44,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-11-30 02:13:44,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/data/3ac5864a9/3b9b1d3e146d4e5aafdaa3a834a07891/FLAGa8421c656 [2020-11-30 02:13:46,376 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:13:46,378 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-11-30 02:13:46,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/data/3ac5864a9/3b9b1d3e146d4e5aafdaa3a834a07891/FLAGa8421c656 [2020-11-30 02:13:46,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_82a75904-2b7d-474d-836f-a3b8000aad5b/bin/utaipan/data/3ac5864a9/3b9b1d3e146d4e5aafdaa3a834a07891 [2020-11-30 02:13:46,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:13:46,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:13:46,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:13:46,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:13:46,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:13:46,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:13:46" (1/1) ... [2020-11-30 02:13:46,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5c3bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:46, skipping insertion in model container [2020-11-30 02:13:46,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:13:46" (1/1) ... [2020-11-30 02:13:46,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:13:47,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:13:54,969 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2020-11-30 02:13:54,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f6c38a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:13:54, skipping insertion in model container [2020-11-30 02:13:54,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:13:54,971 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 02:13:54,975 INFO L168 Benchmark]: Toolchain (without parser) took 8107.08 ms. Allocated memory was 86.0 MB in the beginning and 241.2 MB in the end (delta: 155.2 MB). Free memory was 40.4 MB in the beginning and 172.2 MB in the end (delta: -131.8 MB). Peak memory consumption was 73.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:13:54,976 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:13:54,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8101.77 ms. Allocated memory was 86.0 MB in the beginning and 241.2 MB in the end (delta: 155.2 MB). Free memory was 40.4 MB in the beginning and 172.2 MB in the end (delta: -131.8 MB). Peak memory consumption was 73.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:13:54,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 8101.77 ms. Allocated memory was 86.0 MB in the beginning and 241.2 MB in the end (delta: 155.2 MB). Free memory was 40.4 MB in the beginning and 172.2 MB in the end (delta: -131.8 MB). Peak memory consumption was 73.5 MB. Max. memory is 16.1 GB. * 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...