./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point_true-unreach-call.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point_true-unreach-call.cil.out.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d76da1a1208456e995a818178300a689d3806675 ................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 13:07:15,166 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 13:07:15,167 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 13:07:15,179 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 13:07:15,180 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 13:07:15,181 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 13:07:15,182 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 13:07:15,183 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 13:07:15,185 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 13:07:15,186 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 13:07:15,187 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 13:07:15,187 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 13:07:15,188 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 13:07:15,189 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 13:07:15,191 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 13:07:15,192 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 13:07:15,192 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 13:07:15,197 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 13:07:15,205 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 13:07:15,206 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 13:07:15,207 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 13:07:15,209 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 13:07:15,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 13:07:15,214 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 13:07:15,214 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 13:07:15,215 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 13:07:15,218 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 13:07:15,219 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 13:07:15,219 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 13:07:15,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 13:07:15,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 13:07:15,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 13:07:15,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 13:07:15,225 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 13:07:15,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 13:07:15,227 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 13:07:15,227 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-01-13 13:07:15,242 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 13:07:15,242 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 13:07:15,243 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 13:07:15,244 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 13:07:15,244 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 13:07:15,244 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 13:07:15,244 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 13:07:15,244 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 13:07:15,245 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-13 13:07:15,245 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 13:07:15,245 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-13 13:07:15,245 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-13 13:07:15,245 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 13:07:15,245 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-13 13:07:15,246 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 13:07:15,246 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 13:07:15,246 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 13:07:15,246 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 13:07:15,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 13:07:15,246 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 13:07:15,247 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 13:07:15,247 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-13 13:07:15,247 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 13:07:15,247 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 13:07:15,247 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-13 13:07:15,248 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-13 13:07:15,248 INFO L133 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> d76da1a1208456e995a818178300a689d3806675 [2019-01-13 13:07:15,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 13:07:15,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 13:07:15,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 13:07:15,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 13:07:15,302 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 13:07:15,303 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point_true-unreach-call.cil.out.i [2019-01-13 13:07:15,359 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee6649fd/5f9406ec37444f0dafceeb89281f9448/FLAG03ea41854 [2019-01-13 13:07:16,721 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 13:07:16,722 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point_true-unreach-call.cil.out.i [2019-01-13 13:07:16,860 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee6649fd/5f9406ec37444f0dafceeb89281f9448/FLAG03ea41854 [2019-01-13 13:07:17,141 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee6649fd/5f9406ec37444f0dafceeb89281f9448 [2019-01-13 13:07:17,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 13:07:17,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-13 13:07:17,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 13:07:17,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 13:07:17,151 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 13:07:17,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 01:07:17" (1/1) ... [2019-01-13 13:07:17,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ff8e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 01:07:17, skipping insertion in model container [2019-01-13 13:07:17,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 01:07:17" (1/1) ... [2019-01-13 13:07:17,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 13:07:17,671 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 13:07:28,837 ERROR L311 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf [2019-01-13 13:07:28,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e9dd17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 01:07:28, skipping insertion in model container [2019-01-13 13:07:28,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 13:07:28,838 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-01-13 13:07:28,840 INFO L168 Benchmark]: Toolchain (without parser) took 11694.77 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.7 MB). Free memory was 886.8 MB in the beginning and 1.0 GB in the end (delta: -154.3 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. [2019-01-13 13:07:28,843 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 13:07:28,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 11691.00 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.7 MB). Free memory was 886.8 MB in the beginning and 1.0 GB in the end (delta: -154.3 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. [2019-01-13 13:07:28,847 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 11691.00 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.7 MB). Free memory was 886.8 MB in the beginning and 1.0 GB in the end (delta: -154.3 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 19680]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...