./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 9a8b2e8d 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_1.3.100.v20150511-1540.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 cd489fc8de806c966e78a079530bdde090b77eee ......................................................................................................................... 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_1.3.100.v20150511-1540.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 cd489fc8de806c966e78a079530bdde090b77eee ........................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 05:36:43,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:36:43,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:36:43,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:36:43,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:36:43,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:36:43,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:36:43,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:36:43,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:36:43,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:36:43,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:36:43,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:36:43,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:36:43,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:36:43,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:36:43,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:36:43,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:36:43,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:36:43,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:36:43,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:36:43,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:36:43,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:36:43,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:36:43,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:36:43,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:36:43,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:36:43,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:36:43,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:36:43,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:36:43,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:36:43,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:36:43,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:36:43,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:36:43,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:36:43,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:36:43,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:36:43,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:36:43,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:36:43,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:36:43,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:36:43,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:36:43,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-20 05:36:43,608 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:36:43,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:36:43,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:36:43,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:36:43,613 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:36:43,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:36:43,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:36:43,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:36:43,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 05:36:43,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:36:43,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 05:36:43,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 05:36:43,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:36:43,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 05:36:43,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:36:43,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:36:43,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:36:43,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:36:43,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:36:43,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:36:43,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:36:43,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 05:36:43,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 05:36:43,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 05:36:43,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 05:36:43,619 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:36:43,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 05:36:43,620 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> cd489fc8de806c966e78a079530bdde090b77eee [2020-10-20 05:36:43,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:36:43,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:36:43,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:36:43,854 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:36:43,854 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:36:43,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-10-20 05:36:43,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef6d8e02d/8a842d4531df4dd39a1e002268ab1792/FLAG05eb53f4c [2020-10-20 05:36:45,654 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:36:45,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-10-20 05:36:45,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef6d8e02d/8a842d4531df4dd39a1e002268ab1792/FLAG05eb53f4c [2020-10-20 05:36:45,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef6d8e02d/8a842d4531df4dd39a1e002268ab1792 [2020-10-20 05:36:46,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:36:46,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 05:36:46,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:36:46,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:36:46,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:36:46,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:36:45" (1/1) ... [2020-10-20 05:36:46,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c9d168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:36:46, skipping insertion in model container [2020-10-20 05:36:46,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:36:45" (1/1) ... [2020-10-20 05:36:46,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:36:46,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:36:54,566 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 [2020-10-20 05:36:54,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57c3700e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:36:54, skipping insertion in model container [2020-10-20 05:36:54,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:36:54,569 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 05:36:54,572 INFO L168 Benchmark]: Toolchain (without parser) took 8567.47 ms. Allocated memory was 56.6 MB in the beginning and 104.3 MB in the end (delta: 47.7 MB). Free memory was 20.5 MB in the beginning and 40.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 50.2 MB. Max. memory is 14.3 GB. [2020-10-20 05:36:54,573 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 30.9 MB. Free memory was 8.1 MB in the beginning and 8.0 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 05:36:54,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8559.00 ms. Allocated memory was 56.6 MB in the beginning and 104.3 MB in the end (delta: 47.7 MB). Free memory was 19.6 MB in the beginning and 40.0 MB in the end (delta: -20.4 MB). Peak memory consumption was 49.3 MB. Max. memory is 14.3 GB. [2020-10-20 05:36:54,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 30.9 MB. Free memory was 8.1 MB in the beginning and 8.0 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 8559.00 ms. Allocated memory was 56.6 MB in the beginning and 104.3 MB in the end (delta: 47.7 MB). Free memory was 19.6 MB in the beginning and 40.0 MB in the end (delta: -20.4 MB). Peak memory consumption was 49.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$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 0.1.25-9a8b2e8 [2020-10-20 05:36:56,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:36:56,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:36:56,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:36:56,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:36:56,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:36:56,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:36:56,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:36:56,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:36:56,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:36:56,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:36:56,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:36:56,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:36:56,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:36:56,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:36:56,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:36:56,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:36:56,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:36:56,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:36:56,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:36:56,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:36:56,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:36:56,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:36:56,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:36:56,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:36:56,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:36:56,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:36:56,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:36:56,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:36:56,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:36:56,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:36:56,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:36:56,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:36:56,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:36:56,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:36:56,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:36:56,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:36:56,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:36:56,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:36:56,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:36:56,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:36:56,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-10-20 05:36:56,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:36:56,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:36:56,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:36:56,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:36:56,584 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:36:56,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:36:56,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:36:56,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 05:36:56,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:36:56,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 05:36:56,586 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 05:36:56,587 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 05:36:56,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 05:36:56,587 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:36:56,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 05:36:56,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:36:56,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:36:56,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:36:56,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:36:56,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:36:56,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:36:56,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:36:56,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 05:36:56,591 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 05:36:56,591 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 05:36:56,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 05:36:56,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:36:56,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 05:36:56,592 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-10-20 05:36:56,593 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> cd489fc8de806c966e78a079530bdde090b77eee [2020-10-20 05:36:56,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:36:56,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:36:56,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:36:56,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:36:56,833 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:36:56,834 INFO L432 ainManager$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 [2020-10-20 05:36:56,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae7c9288c/4c8da4ce825148689676965d81646d1a/FLAG8d147a0de [2020-10-20 05:36:58,273 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:36:58,275 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 [2020-10-20 05:36:58,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae7c9288c/4c8da4ce825148689676965d81646d1a/FLAG8d147a0de [2020-10-20 05:36:58,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae7c9288c/4c8da4ce825148689676965d81646d1a [2020-10-20 05:36:58,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:36:58,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 05:36:58,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:36:58,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:36:58,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:36:58,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:36:58" (1/1) ... [2020-10-20 05:36:58,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c982d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:36:58, skipping insertion in model container [2020-10-20 05:36:58,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:36:58" (1/1) ... [2020-10-20 05:36:58,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:36:59,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:37:06,183 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2020-10-20 05:37:06,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b20184b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:06, skipping insertion in model container [2020-10-20 05:37:06,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:37:06,186 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 05:37:06,189 INFO L168 Benchmark]: Toolchain (without parser) took 7445.64 ms. Allocated memory was 58.7 MB in the beginning and 100.7 MB in the end (delta: 41.9 MB). Free memory was 22.8 MB in the beginning and 27.0 MB in the end (delta: -4.2 MB). Peak memory consumption was 48.9 MB. Max. memory is 14.3 GB. [2020-10-20 05:37:06,191 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 33.6 MB. Free memory was 10.7 MB in the beginning and 10.6 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 05:37:06,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7436.36 ms. Allocated memory was 58.7 MB in the beginning and 100.7 MB in the end (delta: 41.9 MB). Free memory was 21.9 MB in the beginning and 27.0 MB in the end (delta: -5.1 MB). Peak memory consumption was 48.0 MB. Max. memory is 14.3 GB. [2020-10-20 05:37:06,195 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 33.6 MB. Free memory was 10.7 MB in the beginning and 10.6 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 7436.36 ms. Allocated memory was 58.7 MB in the beginning and 100.7 MB in the end (delta: 41.9 MB). Free memory was 21.9 MB in the beginning and 27.0 MB in the end (delta: -5.1 MB). Peak memory consumption was 48.0 MB. Max. memory is 14.3 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...