./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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-mutex_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 087f5c7675216216784da9a1af43af80d1a1b1b9 .............................................................................................................................. 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-mutex_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 087f5c7675216216784da9a1af43af80d1a1b1b9 ................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 00:41:25,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 00:41:25,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 00:41:25,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 00:41:25,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 00:41:25,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 00:41:25,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 00:41:25,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 00:41:25,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 00:41:25,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 00:41:25,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 00:41:25,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 00:41:25,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 00:41:25,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 00:41:25,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 00:41:25,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 00:41:25,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 00:41:25,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 00:41:25,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 00:41:25,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 00:41:25,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 00:41:25,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 00:41:25,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 00:41:25,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 00:41:25,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 00:41:25,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 00:41:25,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 00:41:25,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 00:41:25,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 00:41:25,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 00:41:25,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 00:41:25,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 00:41:25,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 00:41:25,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 00:41:25,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 00:41:25,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 00:41:25,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 00:41:25,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 00:41:25,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 00:41:25,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 00:41:25,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 00:41:25,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-08-27 00:41:25,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 00:41:25,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 00:41:25,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 00:41:25,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 00:41:25,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 00:41:25,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 00:41:25,372 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 00:41:25,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 00:41:25,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 00:41:25,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 00:41:25,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-27 00:41:25,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 00:41:25,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-27 00:41:25,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 00:41:25,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 00:41:25,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-27 00:41:25,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 00:41:25,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 00:41:25,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 00:41:25,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 00:41:25,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 00:41:25,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 00:41:25,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-27 00:41:25,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 00:41:25,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 00:41:25,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-27 00:41:25,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 00:41:25,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 087f5c7675216216784da9a1af43af80d1a1b1b9 [2021-08-27 00:41:25,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 00:41:25,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 00:41:25,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 00:41:25,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 00:41:25,742 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 00:41:25,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-08-27 00:41:25,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01fc4ed6/1bbdca58aebd46518be893259e13a730/FLAGe61bca794 [2021-08-27 00:41:26,972 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 00:41:26,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-08-27 00:41:27,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01fc4ed6/1bbdca58aebd46518be893259e13a730/FLAGe61bca794 [2021-08-27 00:41:27,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01fc4ed6/1bbdca58aebd46518be893259e13a730 [2021-08-27 00:41:27,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 00:41:27,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 00:41:27,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 00:41:27,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 00:41:27,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 00:41:27,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 12:41:27" (1/1) ... [2021-08-27 00:41:27,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f13799f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:41:27, skipping insertion in model container [2021-08-27 00:41:27,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 12:41:27" (1/1) ... [2021-08-27 00:41:27,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 00:41:27,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 00:41:33,929 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2021-08-27 00:41:33,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a0ab8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:41:33, skipping insertion in model container [2021-08-27 00:41:33,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 00:41:33,930 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-08-27 00:41:33,932 INFO L168 Benchmark]: Toolchain (without parser) took 6599.62 ms. Allocated memory was 100.7 MB in the beginning and 211.8 MB in the end (delta: 111.1 MB). Free memory was 58.8 MB in the beginning and 128.0 MB in the end (delta: -69.2 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. [2021-08-27 00:41:33,932 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 60.8 MB. Free memory was 41.7 MB in the beginning and 41.6 MB in the end (delta: 65.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 00:41:33,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6597.46 ms. Allocated memory was 100.7 MB in the beginning and 211.8 MB in the end (delta: 111.1 MB). Free memory was 58.6 MB in the beginning and 129.0 MB in the end (delta: -70.4 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. [2021-08-27 00:41:33,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 60.8 MB. Free memory was 41.7 MB in the beginning and 41.6 MB in the end (delta: 65.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6597.46 ms. Allocated memory was 100.7 MB in the beginning and 211.8 MB in the end (delta: 111.1 MB). Free memory was 58.6 MB in the beginning and 129.0 MB in the end (delta: -70.4 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15115]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 00:41:35,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 00:41:35,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 00:41:35,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 00:41:35,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 00:41:35,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 00:41:35,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 00:41:35,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 00:41:35,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 00:41:35,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 00:41:35,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 00:41:35,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 00:41:35,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 00:41:35,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 00:41:35,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 00:41:35,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 00:41:35,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 00:41:35,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 00:41:35,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 00:41:35,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 00:41:35,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 00:41:35,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 00:41:35,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 00:41:35,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 00:41:35,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 00:41:35,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 00:41:35,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 00:41:35,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 00:41:35,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 00:41:35,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 00:41:35,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 00:41:35,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 00:41:35,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 00:41:35,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 00:41:35,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 00:41:35,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 00:41:35,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 00:41:35,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 00:41:35,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 00:41:35,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 00:41:35,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 00:41:35,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-08-27 00:41:35,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 00:41:35,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 00:41:35,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 00:41:35,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 00:41:35,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 00:41:35,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 00:41:35,772 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 00:41:35,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 00:41:35,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 00:41:35,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-27 00:41:35,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 00:41:35,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-27 00:41:35,774 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 00:41:35,774 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 00:41:35,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 00:41:35,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 00:41:35,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-27 00:41:35,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 00:41:35,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 00:41:35,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 00:41:35,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 00:41:35,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 00:41:35,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 00:41:35,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-27 00:41:35,776 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 00:41:35,776 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 00:41:35,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-27 00:41:35,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 00:41:35,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 00:41:35,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 087f5c7675216216784da9a1af43af80d1a1b1b9 [2021-08-27 00:41:36,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 00:41:36,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 00:41:36,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 00:41:36,103 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 00:41:36,104 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 00:41:36,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-08-27 00:41:36,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3ddfa22/b3373993c24a4b35b8301fc46b0fa946/FLAGf7f9f597e [2021-08-27 00:41:37,295 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 00:41:37,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-08-27 00:41:37,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3ddfa22/b3373993c24a4b35b8301fc46b0fa946/FLAGf7f9f597e [2021-08-27 00:41:37,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3ddfa22/b3373993c24a4b35b8301fc46b0fa946 [2021-08-27 00:41:37,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 00:41:37,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 00:41:37,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 00:41:37,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 00:41:37,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 00:41:37,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 12:41:37" (1/1) ... [2021-08-27 00:41:37,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e9772f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:41:37, skipping insertion in model container [2021-08-27 00:41:37,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 12:41:37" (1/1) ... [2021-08-27 00:41:37,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 00:41:37,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 00:41:44,679 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2021-08-27 00:41:44,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f6734a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:41:44, skipping insertion in model container [2021-08-27 00:41:44,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 00:41:44,681 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-08-27 00:41:44,684 INFO L168 Benchmark]: Toolchain (without parser) took 7165.82 ms. Allocated memory was 75.5 MB in the beginning and 199.2 MB in the end (delta: 123.7 MB). Free memory was 29.3 MB in the beginning and 90.4 MB in the end (delta: -61.1 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. [2021-08-27 00:41:44,685 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 44.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 00:41:44,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7161.20 ms. Allocated memory was 75.5 MB in the beginning and 199.2 MB in the end (delta: 123.7 MB). Free memory was 29.1 MB in the beginning and 90.4 MB in the end (delta: -61.3 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. [2021-08-27 00:41:44,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 44.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 7161.20 ms. Allocated memory was 75.5 MB in the beginning and 199.2 MB in the end (delta: 123.7 MB). Free memory was 29.1 MB in the beginning and 90.4 MB in the end (delta: -61.3 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15115]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...