./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--gpu--drm--qxl--qxl.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_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--gpu--drm--qxl--qxl.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8b4dd4b7dc0a5bb5a47f6d11166a74f976917cb0 ............................................................................................................................ 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 01:50:56,368 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:50:56,370 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:50:56,377 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:50:56,377 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:50:56,378 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:50:56,379 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:50:56,380 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:50:56,381 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:50:56,382 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:50:56,383 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:50:56,383 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:50:56,384 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:50:56,384 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:50:56,385 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:50:56,386 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:50:56,386 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:50:56,388 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:50:56,389 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:50:56,390 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:50:56,391 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:50:56,392 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:50:56,393 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:50:56,393 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:50:56,393 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:50:56,394 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:50:56,394 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:50:56,395 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:50:56,395 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:50:56,396 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:50:56,396 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:50:56,396 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:50:56,396 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:50:56,396 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:50:56,397 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:50:56,397 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:50:56,397 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-10 01:50:56,405 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:50:56,405 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:50:56,405 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:50:56,405 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:50:56,406 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:50:56,406 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:50:56,406 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:50:56,406 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:50:56,406 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:50:56,406 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:50:56,406 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:50:56,407 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:50:56,407 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:50:56,407 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:50:56,407 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 01:50:56,407 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 01:50:56,407 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:50:56,407 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:50:56,408 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:50:56,408 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:50:56,408 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:50:56,408 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:50:56,408 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 01:50:56,408 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:50:56,408 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 01:50:56,409 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 01:50:56,409 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_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak 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 -> Kojak 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 -> 8b4dd4b7dc0a5bb5a47f6d11166a74f976917cb0 [2018-11-10 01:50:56,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:50:56,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:50:56,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:50:56,448 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:50:56,449 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:50:56,449 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--gpu--drm--qxl--qxl.ko-entry_point_true-unreach-call.cil.out.c [2018-11-10 01:50:56,498 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak/data/223f0819f/4f64f6c57ee34a88929251d8c43cfa12/FLAG6921698e1 [2018-11-10 01:50:57,134 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:50:57,135 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_33230cbf-4086-453b-8076-a4d420e8b8aa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--gpu--drm--qxl--qxl.ko-entry_point_true-unreach-call.cil.out.c [2018-11-10 01:50:57,167 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak/data/223f0819f/4f64f6c57ee34a88929251d8c43cfa12/FLAG6921698e1 [2018-11-10 01:50:57,179 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_33230cbf-4086-453b-8076-a4d420e8b8aa/bin-2019/ukojak/data/223f0819f/4f64f6c57ee34a88929251d8c43cfa12 [2018-11-10 01:50:57,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:50:57,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:50:57,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:50:57,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:50:57,186 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:50:57,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:50:57" (1/1) ... [2018-11-10 01:50:57,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a5cc42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:57, skipping insertion in model container [2018-11-10 01:50:57,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:50:57" (1/1) ... [2018-11-10 01:50:57,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:50:57,313 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:51:00,478 WARN L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: qxl_io_log [2018-11-10 01:51:00,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55f43df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:51:00, skipping insertion in model container [2018-11-10 01:51:00,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:51:00,480 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-10 01:51:00,480 INFO L168 Benchmark]: Toolchain (without parser) took 3298.15 ms. Allocated memory is still 1.0 GB. Free memory was 935.1 MB in the beginning and 735.3 MB in the end (delta: 199.8 MB). Peak memory consumption was 239.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:51:00,482 INFO L168 Benchmark]: CDTParser took 0.18 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 01:51:00,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3296.17 ms. Allocated memory is still 1.0 GB. Free memory was 935.1 MB in the beginning and 735.3 MB in the end (delta: 199.8 MB). Peak memory consumption was 239.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:51:00,486 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 3296.17 ms. Allocated memory is still 1.0 GB. Free memory was 935.1 MB in the beginning and 735.3 MB in the end (delta: 199.8 MB). Peak memory consumption was 239.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8804]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: qxl_io_log RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...