./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer --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 cfe16bf145ee93e9067b65e5b0be0e248ee4ee64 ........................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:11:11,442 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:11:11,443 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:11:11,450 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:11:11,451 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:11:11,451 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:11:11,452 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:11:11,453 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:11:11,454 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:11:11,454 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:11:11,455 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:11:11,455 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:11:11,456 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:11:11,457 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:11:11,457 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:11:11,458 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:11:11,458 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:11:11,460 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:11:11,461 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:11:11,462 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:11:11,463 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:11:11,463 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:11:11,465 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:11:11,465 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:11:11,465 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:11:11,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:11:11,467 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:11:11,467 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:11:11,468 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:11:11,468 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:11:11,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:11:11,469 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:11:11,469 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:11:11,469 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:11:11,470 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:11:11,470 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:11:11,470 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-10 12:11:11,480 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:11:11,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:11:11,481 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:11:11,481 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:11:11,482 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:11:11,482 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:11:11,482 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:11:11,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:11:11,482 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:11:11,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:11:11,482 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:11:11,483 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:11:11,483 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:11:11,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:11:11,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:11:11,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:11:11,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:11:11,483 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:11:11,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:11:11,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:11:11,484 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:11:11,484 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:11:11,484 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:11:11,484 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:11:11,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:11:11,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:11:11,484 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:11:11,484 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer 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 -> cfe16bf145ee93e9067b65e5b0be0e248ee4ee64 [2018-11-10 12:11:11,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:11:11,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:11:11,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:11:11,522 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:11:11,522 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:11:11,523 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point_true-unreach-call.cil.out.c [2018-11-10 12:11:11,559 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer/data/9c1f2bc40/9c701f10767940bcabe44de40c16df27/FLAGf7fcd2126 [2018-11-10 12:11:12,135 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:11:12,135 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point_true-unreach-call.cil.out.c [2018-11-10 12:11:12,167 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer/data/9c1f2bc40/9c701f10767940bcabe44de40c16df27/FLAGf7fcd2126 [2018-11-10 12:11:12,177 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0be61d1-ccfc-4b79-86b2-811f62cdb5bf/bin-2019/uautomizer/data/9c1f2bc40/9c701f10767940bcabe44de40c16df27 [2018-11-10 12:11:12,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:11:12,180 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:11:12,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:11:12,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:11:12,184 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:11:12,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:11:12" (1/1) ... [2018-11-10 12:11:12,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d918a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:12, skipping insertion in model container [2018-11-10 12:11:12,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:11:12" (1/1) ... [2018-11-10 12:11:12,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:11:12,304 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:11:17,735 WARN L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: i40evf_debug_d [2018-11-10 12:11:17,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3dd6e642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:17, skipping insertion in model container [2018-11-10 12:11:17,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:11:17,736 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-11-10 12:11:17,737 INFO L168 Benchmark]: Toolchain (without parser) took 5556.96 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 472.9 MB). Free memory was 935.1 MB in the beginning and 857.8 MB in the end (delta: 77.3 MB). Peak memory consumption was 609.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:17,738 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:11:17,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5554.92 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 472.9 MB). Free memory was 932.4 MB in the beginning and 857.8 MB in the end (delta: 74.7 MB). Peak memory consumption was 606.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:17,739 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 5554.92 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 472.9 MB). Free memory was 932.4 MB in the beginning and 857.8 MB in the end (delta: 74.7 MB). Peak memory consumption was 606.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 19729]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: i40evf_debug_d RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...