./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 173e3943 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 0.2.1-dev-173e394 [2021-11-06 21:11:36,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 21:11:36,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 21:11:36,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 21:11:36,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 21:11:36,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 21:11:36,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 21:11:36,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 21:11:36,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 21:11:36,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 21:11:36,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 21:11:36,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 21:11:36,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 21:11:36,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 21:11:36,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 21:11:36,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 21:11:36,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 21:11:36,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 21:11:36,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 21:11:36,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 21:11:36,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 21:11:36,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 21:11:36,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 21:11:36,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 21:11:36,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 21:11:36,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 21:11:36,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 21:11:36,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 21:11:36,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 21:11:36,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 21:11:36,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 21:11:36,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 21:11:36,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 21:11:36,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 21:11:36,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 21:11:36,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 21:11:36,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 21:11:36,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 21:11:36,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 21:11:36,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 21:11:36,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 21:11:36,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 21:11:36,253 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 21:11:36,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 21:11:36,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 21:11:36,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 21:11:36,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 21:11:36,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 21:11:36,256 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 21:11:36,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 21:11:36,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 21:11:36,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 21:11:36,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 21:11:36,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 21:11:36,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 21:11:36,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 21:11:36,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 21:11:36,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 21:11:36,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 21:11:36,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 21:11:36,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 21:11:36,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 21:11:36,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 21:11:36,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 21:11:36,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 21:11:36,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 21:11:36,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 21:11:36,259 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 21:11:36,259 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 21:11:36,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 21:11:36,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 21:11:36,260 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-11-06 21:11:36,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 21:11:36,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 21:11:36,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 21:11:36,481 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 21:11:36,482 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 21:11:36,493 INFO L432 ainManager$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 [2021-11-06 21:11:36,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675081ec9/c1280552399d4b2499a6fe0078e39c95/FLAGc15437392 [2021-11-06 21:11:37,486 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 21:11:37,487 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 [2021-11-06 21:11:37,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675081ec9/c1280552399d4b2499a6fe0078e39c95/FLAGc15437392 [2021-11-06 21:11:38,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675081ec9/c1280552399d4b2499a6fe0078e39c95 [2021-11-06 21:11:38,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 21:11:38,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 21:11:38,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 21:11:38,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 21:11:38,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 21:11:38,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:11:38" (1/1) ... [2021-11-06 21:11:38,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f11ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:38, skipping insertion in model container [2021-11-06 21:11:38,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:11:38" (1/1) ... [2021-11-06 21:11:38,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 21:11:38,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 21:11:43,820 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2021-11-06 21:11:43,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e48a437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:43, skipping insertion in model container [2021-11-06 21:11:43,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 21:11:43,821 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-06 21:11:43,823 INFO L168 Benchmark]: Toolchain (without parser) took 5799.48 ms. Allocated memory was 104.9 MB in the beginning and 211.8 MB in the end (delta: 107.0 MB). Free memory was 66.1 MB in the beginning and 139.2 MB in the end (delta: -73.2 MB). Peak memory consumption was 77.8 MB. Max. memory is 16.1 GB. [2021-11-06 21:11:43,823 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 56.5 MB in the beginning and 56.4 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-06 21:11:43,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5798.05 ms. Allocated memory was 104.9 MB in the beginning and 211.8 MB in the end (delta: 107.0 MB). Free memory was 66.1 MB in the beginning and 139.2 MB in the end (delta: -73.2 MB). Peak memory consumption was 77.8 MB. Max. memory is 16.1 GB. [2021-11-06 21:11:43,825 INFO L339 ainManager$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 83.9 MB. Free memory was 56.5 MB in the beginning and 56.4 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5798.05 ms. Allocated memory was 104.9 MB in the beginning and 211.8 MB in the end (delta: 107.0 MB). Free memory was 66.1 MB in the beginning and 139.2 MB in the end (delta: -73.2 MB). Peak memory consumption was 77.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- 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 0.2.1-dev-173e394 [2021-11-06 21:11:45,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 21:11:45,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 21:11:45,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 21:11:45,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 21:11:45,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 21:11:45,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 21:11:45,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 21:11:45,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 21:11:45,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 21:11:45,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 21:11:45,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 21:11:45,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 21:11:45,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 21:11:45,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 21:11:45,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 21:11:45,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 21:11:45,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 21:11:45,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 21:11:45,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 21:11:45,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 21:11:45,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 21:11:45,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 21:11:45,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 21:11:45,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 21:11:45,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 21:11:45,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 21:11:45,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 21:11:45,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 21:11:45,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 21:11:45,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 21:11:45,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 21:11:45,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 21:11:45,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 21:11:45,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 21:11:45,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 21:11:45,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 21:11:45,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 21:11:45,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 21:11:45,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 21:11:45,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 21:11:45,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-06 21:11:45,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 21:11:45,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 21:11:45,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 21:11:45,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 21:11:45,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 21:11:45,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 21:11:45,211 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 21:11:45,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 21:11:45,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 21:11:45,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 21:11:45,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 21:11:45,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 21:11:45,212 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-06 21:11:45,212 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-06 21:11:45,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 21:11:45,213 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 21:11:45,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 21:11:45,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 21:11:45,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 21:11:45,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 21:11:45,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 21:11:45,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 21:11:45,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 21:11:45,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 21:11:45,222 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-06 21:11:45,222 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-06 21:11:45,222 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 21:11:45,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 21:11:45,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 21:11:45,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 21:11:45,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-06 21:11:45,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-11-06 21:11:45,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 21:11:45,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 21:11:45,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 21:11:45,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 21:11:45,509 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 21:11:45,510 INFO L432 ainManager$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 [2021-11-06 21:11:45,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3b306368/959eeaa02f014053988aee7b407f01f4/FLAG766d7c982 [2021-11-06 21:11:46,512 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 21:11:46,513 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 [2021-11-06 21:11:46,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3b306368/959eeaa02f014053988aee7b407f01f4/FLAG766d7c982 [2021-11-06 21:11:47,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3b306368/959eeaa02f014053988aee7b407f01f4 [2021-11-06 21:11:47,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 21:11:47,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 21:11:47,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 21:11:47,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 21:11:47,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 21:11:47,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:11:47" (1/1) ... [2021-11-06 21:11:47,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376f5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:47, skipping insertion in model container [2021-11-06 21:11:47,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:11:47" (1/1) ... [2021-11-06 21:11:47,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 21:11:47,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 21:11:52,595 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2021-11-06 21:11:52,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@403f2e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:11:52, skipping insertion in model container [2021-11-06 21:11:52,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 21:11:52,597 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-06 21:11:52,599 INFO L168 Benchmark]: Toolchain (without parser) took 5512.39 ms. Allocated memory was 100.7 MB in the beginning and 161.5 MB in the end (delta: 60.8 MB). Free memory was 58.6 MB in the beginning and 69.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2021-11-06 21:11:52,599 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 67.1 MB. Free memory is still 48.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-06 21:11:52,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5510.85 ms. Allocated memory was 100.7 MB in the beginning and 161.5 MB in the end (delta: 60.8 MB). Free memory was 58.2 MB in the beginning and 70.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2021-11-06 21:11:52,601 INFO L339 ainManager$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 67.1 MB. Free memory is still 48.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5510.85 ms. Allocated memory was 100.7 MB in the beginning and 161.5 MB in the end (delta: 60.8 MB). Free memory was 58.2 MB in the beginning and 70.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN