./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 9c1b5966 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 ................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9c1b596 [2021-10-31 07:59:57,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-31 07:59:57,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-31 07:59:57,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-31 07:59:57,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-31 07:59:57,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-31 07:59:57,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-31 07:59:57,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-31 07:59:57,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-31 07:59:57,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-31 07:59:57,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-31 07:59:57,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-31 07:59:57,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-31 07:59:57,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-31 07:59:57,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-31 07:59:57,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-31 07:59:57,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-31 07:59:57,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-31 07:59:57,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-31 07:59:57,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-31 07:59:57,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-31 07:59:57,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-31 07:59:57,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-31 07:59:57,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-31 07:59:57,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-31 07:59:57,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-31 07:59:57,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-31 07:59:57,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-31 07:59:57,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-31 07:59:57,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-31 07:59:57,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-31 07:59:57,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-31 07:59:57,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-31 07:59:57,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-31 07:59:57,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-31 07:59:57,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-31 07:59:57,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-31 07:59:57,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-31 07:59:57,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-31 07:59:57,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-31 07:59:57,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-31 07:59:57,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-31 07:59:57,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-31 07:59:57,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-31 07:59:57,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-31 07:59:57,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-31 07:59:57,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-31 07:59:57,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-31 07:59:57,443 INFO L138 SettingsManager]: * Use SBE=true [2021-10-31 07:59:57,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-31 07:59:57,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-31 07:59:57,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-31 07:59:57,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-31 07:59:57,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-31 07:59:57,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-31 07:59:57,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-31 07:59:57,445 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-31 07:59:57,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-31 07:59:57,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-31 07:59:57,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-31 07:59:57,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-31 07:59:57,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-31 07:59:57,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-31 07:59:57,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-31 07:59:57,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-31 07:59:57,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-31 07:59:57,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-31 07:59:57,448 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-31 07:59:57,448 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-31 07:59:57,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-31 07:59:57,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-31 07:59:57,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-10-31 07:59:57,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-31 07:59:57,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-31 07:59:57,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-31 07:59:57,712 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-31 07:59:57,713 INFO L275 PluginConnector]: CDTParser initialized [2021-10-31 07:59:57,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-10-31 07:59:57,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d49505b36/f83a1576ca3441568abfb1c06ec72348/FLAG427a76da4 [2021-10-31 07:59:58,796 INFO L306 CDTParser]: Found 1 translation units. [2021-10-31 07:59:58,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-10-31 07:59:58,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d49505b36/f83a1576ca3441568abfb1c06ec72348/FLAG427a76da4 [2021-10-31 07:59:59,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d49505b36/f83a1576ca3441568abfb1c06ec72348 [2021-10-31 07:59:59,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-31 07:59:59,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-31 07:59:59,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-31 07:59:59,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-31 07:59:59,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-31 07:59:59,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 07:59:59" (1/1) ... [2021-10-31 07:59:59,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5a0553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 07:59:59, skipping insertion in model container [2021-10-31 07:59:59,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 07:59:59" (1/1) ... [2021-10-31 07:59:59,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-31 07:59:59,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-31 08:00:05,672 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2021-10-31 08:00:05,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26c2d152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 08:00:05, skipping insertion in model container [2021-10-31 08:00:05,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-31 08:00:05,674 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-31 08:00:05,676 INFO L168 Benchmark]: Toolchain (without parser) took 6359.24 ms. Allocated memory was 123.7 MB in the beginning and 197.1 MB in the end (delta: 73.4 MB). Free memory was 85.5 MB in the beginning and 89.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 80.2 MB. Max. memory is 16.1 GB. [2021-10-31 08:00:05,676 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 92.3 MB. Free memory was 49.5 MB in the beginning and 49.4 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-31 08:00:05,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6357.12 ms. Allocated memory was 123.7 MB in the beginning and 197.1 MB in the end (delta: 73.4 MB). Free memory was 85.5 MB in the beginning and 89.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 80.2 MB. Max. memory is 16.1 GB. [2021-10-31 08:00:05,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 92.3 MB. Free memory was 49.5 MB in the beginning and 49.4 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6357.12 ms. Allocated memory was 123.7 MB in the beginning and 197.1 MB in the end (delta: 73.4 MB). Free memory was 85.5 MB in the beginning and 89.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 80.2 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 0.2.1-dev-9c1b596 [2021-10-31 08:00:07,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-31 08:00:07,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-31 08:00:07,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-31 08:00:07,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-31 08:00:07,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-31 08:00:07,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-31 08:00:07,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-31 08:00:07,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-31 08:00:07,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-31 08:00:07,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-31 08:00:07,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-31 08:00:07,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-31 08:00:07,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-31 08:00:07,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-31 08:00:07,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-31 08:00:07,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-31 08:00:07,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-31 08:00:07,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-31 08:00:07,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-31 08:00:07,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-31 08:00:07,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-31 08:00:07,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-31 08:00:07,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-31 08:00:07,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-31 08:00:07,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-31 08:00:07,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-31 08:00:07,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-31 08:00:07,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-31 08:00:07,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-31 08:00:07,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-31 08:00:07,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-31 08:00:07,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-31 08:00:07,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-31 08:00:07,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-31 08:00:07,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-31 08:00:07,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-31 08:00:07,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-31 08:00:07,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-31 08:00:07,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-31 08:00:07,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-31 08:00:07,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-31 08:00:07,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-31 08:00:07,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-31 08:00:07,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-31 08:00:07,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-31 08:00:07,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-31 08:00:07,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-31 08:00:07,653 INFO L138 SettingsManager]: * Use SBE=true [2021-10-31 08:00:07,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-31 08:00:07,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-31 08:00:07,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-31 08:00:07,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-31 08:00:07,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-31 08:00:07,655 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-31 08:00:07,656 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-31 08:00:07,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-31 08:00:07,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-31 08:00:07,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-31 08:00:07,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-31 08:00:07,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-31 08:00:07,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-31 08:00:07,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-31 08:00:07,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-31 08:00:07,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-31 08:00:07,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-31 08:00:07,658 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-31 08:00:07,658 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-31 08:00:07,658 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-31 08:00:07,659 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-31 08:00:07,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-31 08:00:07,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-31 08:00:07,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-31 08:00:07,659 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-10-31 08:00:07,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-31 08:00:07,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-31 08:00:07,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-31 08:00:07,984 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-31 08:00:07,985 INFO L275 PluginConnector]: CDTParser initialized [2021-10-31 08:00:07,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-10-31 08:00:08,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9a25529/c83c677fca39467e8ec8c1eef9c3d674/FLAGb34f69769 [2021-10-31 08:00:09,181 INFO L306 CDTParser]: Found 1 translation units. [2021-10-31 08:00:09,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-10-31 08:00:09,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9a25529/c83c677fca39467e8ec8c1eef9c3d674/FLAGb34f69769 [2021-10-31 08:00:09,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9a25529/c83c677fca39467e8ec8c1eef9c3d674 [2021-10-31 08:00:09,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-31 08:00:09,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-31 08:00:09,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-31 08:00:09,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-31 08:00:09,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-31 08:00:09,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 08:00:09" (1/1) ... [2021-10-31 08:00:09,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50eaf058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 08:00:09, skipping insertion in model container [2021-10-31 08:00:09,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 08:00:09" (1/1) ... [2021-10-31 08:00:09,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-31 08:00:09,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-31 08:00:16,303 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2021-10-31 08:00:16,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f1f202f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 08:00:16, skipping insertion in model container [2021-10-31 08:00:16,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-31 08:00:16,304 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-31 08:00:16,307 INFO L168 Benchmark]: Toolchain (without parser) took 6953.98 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 56.5 MB in the beginning and 91.3 MB in the end (delta: -34.8 MB). Peak memory consumption was 79.1 MB. Max. memory is 16.1 GB. [2021-10-31 08:00:16,308 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-31 08:00:16,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6952.15 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 56.3 MB in the beginning and 91.3 MB in the end (delta: -35.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 16.1 GB. [2021-10-31 08:00:16,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6952.15 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 56.3 MB in the beginning and 91.3 MB in the end (delta: -35.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...