./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/config/KojakReach.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_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak --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 Kojak --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_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/config/KojakReach.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_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak --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 Kojak --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-a4ecdab [2020-11-28 04:39:19,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:19,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:19,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:19,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:19,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:19,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:19,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:19,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:19,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:19,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:19,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:19,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:19,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:19,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:19,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:19,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:19,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:19,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:19,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:19,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:19,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:19,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:19,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:19,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:19,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:19,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:19,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:19,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:19,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:19,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:19,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:19,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:19,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:19,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:19,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:19,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:19,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:19,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:19,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:19,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:19,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2020-11-28 04:39:19,448 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:19,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:19,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:19,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:19,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:19,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:19,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:19,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:19,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:19,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:19,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:19,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:19,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:19,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:19,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:19,457 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:19,457 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:19,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:19,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:19,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:19,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:19,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:19,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:19,459 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:19,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:19,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:19,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:39:19,460 INFO L138 SettingsManager]: * To the following directory=dump/ 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_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd489fc8de806c966e78a079530bdde090b77eee [2020-11-28 04:39:19,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:19,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:19,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:19,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:19,817 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:19,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-11-28 04:39:19,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/data/712413be0/5a61a6d9ad964267a52d9bbc98904b53/FLAG1ee681ec2 [2020-11-28 04:39:21,426 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:21,427 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-11-28 04:39:21,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/data/712413be0/5a61a6d9ad964267a52d9bbc98904b53/FLAG1ee681ec2 [2020-11-28 04:39:21,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/data/712413be0/5a61a6d9ad964267a52d9bbc98904b53 [2020-11-28 04:39:21,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:21,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:21,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:21,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:21,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:21,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf33649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21, skipping insertion in model container [2020-11-28 04:39:21,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:22,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:30,827 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2020-11-28 04:39:30,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ee63c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:30, skipping insertion in model container [2020-11-28 04:39:30,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:30,829 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:39:30,832 INFO L168 Benchmark]: Toolchain (without parser) took 9043.53 ms. Allocated memory was 94.4 MB in the beginning and 232.8 MB in the end (delta: 138.4 MB). Free memory was 37.2 MB in the beginning and 142.8 MB in the end (delta: -105.6 MB). Peak memory consumption was 74.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:30,833 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 75.5 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 38.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:30,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 9039.65 ms. Allocated memory was 94.4 MB in the beginning and 232.8 MB in the end (delta: 138.4 MB). Free memory was 36.8 MB in the beginning and 142.8 MB in the end (delta: -106.0 MB). Peak memory consumption was 74.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:30,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 75.5 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 38.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 9039.65 ms. Allocated memory was 94.4 MB in the beginning and 232.8 MB in the end (delta: 138.4 MB). Free memory was 36.8 MB in the beginning and 142.8 MB in the end (delta: -106.0 MB). Peak memory consumption was 74.1 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~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 [2020-11-28 04:39:33,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:33,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:33,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:33,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:33,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:33,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:33,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:33,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:33,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:33,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:33,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:33,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:33,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:33,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:33,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:33,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:33,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:33,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:33,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:33,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:33,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:33,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:33,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:33,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:33,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:33,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:33,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:33,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:33,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:33,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:33,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:33,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:33,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:33,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:33,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:33,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:33,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:33,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:33,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:33,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:33,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2020-11-28 04:39:33,822 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:33,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:33,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:33,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:33,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:33,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:33,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:33,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:33,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:33,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:33,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:33,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:39:33,827 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:39:33,827 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:39:33,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:33,828 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:33,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:33,828 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:33,829 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:33,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:33,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:33,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:33,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:33,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:33,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:33,831 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:39:33,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:39:33,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:33,831 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:39:33,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:39:33,832 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-11-28 04:39:33,832 INFO L138 SettingsManager]: * To the following directory=dump/ 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_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd489fc8de806c966e78a079530bdde090b77eee [2020-11-28 04:39:34,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:34,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:34,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:34,341 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:34,342 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:34,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-11-28 04:39:34,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/data/e08526391/29def84ef78e42cb818b7fff918a2c82/FLAGd89cd8dc3 [2020-11-28 04:39:36,167 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:36,168 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-11-28 04:39:36,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/data/e08526391/29def84ef78e42cb818b7fff918a2c82/FLAGd89cd8dc3 [2020-11-28 04:39:36,439 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c7290976-1184-4291-8b6f-03abbe109c5b/bin/ukojak/data/e08526391/29def84ef78e42cb818b7fff918a2c82 [2020-11-28 04:39:36,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:36,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:36,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:36,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:36,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:36,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:36" (1/1) ... [2020-11-28 04:39:36,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f4820b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:36, skipping insertion in model container [2020-11-28 04:39:36,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:36" (1/1) ... [2020-11-28 04:39:36,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:37,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:46,399 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2020-11-28 04:39:46,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bd90ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:46, skipping insertion in model container [2020-11-28 04:39:46,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:46,402 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:39:46,405 INFO L168 Benchmark]: Toolchain (without parser) took 9951.38 ms. Allocated memory was 83.9 MB in the beginning and 264.2 MB in the end (delta: 180.4 MB). Free memory was 38.0 MB in the beginning and 161.6 MB in the end (delta: -123.6 MB). Peak memory consumption was 93.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:46,407 INFO L168 Benchmark]: CDTParser took 2.53 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 38.7 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:46,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 9945.33 ms. Allocated memory was 83.9 MB in the beginning and 264.2 MB in the end (delta: 180.4 MB). Free memory was 37.8 MB in the beginning and 161.6 MB in the end (delta: -123.8 MB). Peak memory consumption was 93.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:46,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.53 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 38.7 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 9945.33 ms. Allocated memory was 83.9 MB in the beginning and 264.2 MB in the end (delta: 180.4 MB). Free memory was 37.8 MB in the beginning and 161.6 MB in the end (delta: -123.8 MB). Peak memory consumption was 93.5 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...