./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 839c364b 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 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:04:12,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:04:12,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:04:12,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:04:12,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:04:12,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:04:12,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:04:12,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:04:12,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:04:12,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:04:12,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:04:12,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:04:12,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:04:12,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:04:12,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:04:12,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:04:12,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:04:12,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:04:12,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:04:12,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:04:12,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:04:12,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:04:12,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:04:12,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:04:12,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:04:12,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:04:12,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:04:12,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:04:12,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:04:12,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:04:12,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:04:12,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:04:12,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:04:12,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:04:12,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:04:12,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:04:12,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:04:12,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:04:12,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:04:12,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:04:12,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:04:12,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:04:12,662 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:04:12,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:04:12,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:04:12,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:04:12,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:04:12,664 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:04:12,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:04:12,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:04:12,665 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:04:12,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:04:12,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:04:12,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:04:12,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:04:12,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:04:12,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:04:12,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:04:12,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:04:12,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:04:12,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:04:12,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:04:12,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:04:12,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:04:12,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:04:12,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:04:12,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:04:12,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:04:12,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:04:12,668 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:04:12,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:04:12,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:04:12,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:04:12,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-12-14 19:04:12,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:04:12,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:04:12,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:04:12,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:04:12,858 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:04:12,859 INFO L432 ainManager$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 [2021-12-14 19:04:12,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1312bb697/2afff73570bc41d5bcb95295e4991b09/FLAGdc3eee359 [2021-12-14 19:04:13,866 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:04:13,867 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 [2021-12-14 19:04:13,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1312bb697/2afff73570bc41d5bcb95295e4991b09/FLAGdc3eee359 [2021-12-14 19:04:14,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1312bb697/2afff73570bc41d5bcb95295e4991b09 [2021-12-14 19:04:14,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:04:14,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:04:14,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:04:14,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:04:14,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:04:14,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:04:14" (1/1) ... [2021-12-14 19:04:14,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68eb4c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:14, skipping insertion in model container [2021-12-14 19:04:14,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:04:14" (1/1) ... [2021-12-14 19:04:14,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:04:14,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:04:20,739 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2021-12-14 19:04:20,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59cc205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:20, skipping insertion in model container [2021-12-14 19:04:20,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:04:20,741 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 19:04:20,742 INFO L158 Benchmark]: Toolchain (without parser) took 6581.77ms. Allocated memory was 123.7MB in the beginning and 207.6MB in the end (delta: 83.9MB). Free memory was 72.3MB in the beginning and 112.3MB in the end (delta: -40.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2021-12-14 19:04:20,743 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 19:04:20,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6580.24ms. Allocated memory was 123.7MB in the beginning and 207.6MB in the end (delta: 83.9MB). Free memory was 72.3MB in the beginning and 112.3MB in the end (delta: -40.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2021-12-14 19:04:20,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6580.24ms. Allocated memory was 123.7MB in the beginning and 207.6MB in the end (delta: 83.9MB). Free memory was 72.3MB in the beginning and 112.3MB in the end (delta: -40.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/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 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:04:22,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:04:22,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:04:22,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:04:22,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:04:22,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:04:22,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:04:22,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:04:22,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:04:22,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:04:22,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:04:22,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:04:22,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:04:22,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:04:22,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:04:22,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:04:22,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:04:22,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:04:22,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:04:22,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:04:22,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:04:22,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:04:22,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:04:22,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:04:22,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:04:22,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:04:22,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:04:22,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:04:22,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:04:22,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:04:22,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:04:22,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:04:22,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:04:22,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:04:22,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:04:22,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:04:22,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:04:22,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:04:22,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:04:22,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:04:22,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:04:22,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-14 19:04:22,539 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:04:22,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:04:22,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:04:22,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:04:22,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:04:22,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:04:22,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:04:22,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:04:22,542 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:04:22,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:04:22,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:04:22,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:04:22,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:04:22,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:04:22,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 19:04:22,544 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 19:04:22,544 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 19:04:22,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:04:22,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:04:22,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:04:22,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:04:22,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:04:22,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:04:22,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:04:22,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:04:22,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:04:22,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:04:22,546 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 19:04:22,546 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 19:04:22,546 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:04:22,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:04:22,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:04:22,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:04:22,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 19:04:22,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-12-14 19:04:22,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:04:22,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:04:22,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:04:22,808 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:04:22,808 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:04:22,809 INFO L432 ainManager$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 [2021-12-14 19:04:22,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cb15f4d0/7389b4bd287a441e9617a68c79fcaf7f/FLAG2ff5dc3dc [2021-12-14 19:04:23,792 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:04:23,793 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 [2021-12-14 19:04:23,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cb15f4d0/7389b4bd287a441e9617a68c79fcaf7f/FLAG2ff5dc3dc [2021-12-14 19:04:24,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cb15f4d0/7389b4bd287a441e9617a68c79fcaf7f [2021-12-14 19:04:24,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:04:24,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:04:24,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:04:24,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:04:24,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:04:24,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:04:24" (1/1) ... [2021-12-14 19:04:24,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4decb173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:24, skipping insertion in model container [2021-12-14 19:04:24,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:04:24" (1/1) ... [2021-12-14 19:04:24,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:04:24,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:04:31,079 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2021-12-14 19:04:31,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4247af56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:04:31, skipping insertion in model container [2021-12-14 19:04:31,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:04:31,080 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 19:04:31,083 INFO L158 Benchmark]: Toolchain (without parser) took 7002.40ms. Allocated memory was 62.9MB in the beginning and 144.7MB in the end (delta: 81.8MB). Free memory was 27.5MB in the beginning and 72.3MB in the end (delta: -44.7MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2021-12-14 19:04:31,084 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 19:04:31,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6998.93ms. Allocated memory was 62.9MB in the beginning and 144.7MB in the end (delta: 81.8MB). Free memory was 27.2MB in the beginning and 72.3MB in the end (delta: -45.0MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2021-12-14 19:04:31,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6998.93ms. Allocated memory was 62.9MB in the beginning and 144.7MB in the end (delta: 81.8MB). Free memory was 27.2MB in the beginning and 72.3MB in the end (delta: -45.0MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN