./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-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point_false-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_c3367647-0aa4-4600-a6f6-a44d8c238a69/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3367647-0aa4-4600-a6f6-a44d8c238a69/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3367647-0aa4-4600-a6f6-a44d8c238a69/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3367647-0aa4-4600-a6f6-a44d8c238a69/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c3367647-0aa4-4600-a6f6-a44d8c238a69/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3367647-0aa4-4600-a6f6-a44d8c238a69/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 3ab82e2ed26c720ff82226dfb4d227671c07baba .......................................................................................................................... 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 12:57:57,149 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:57:57,150 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:57:57,158 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:57:57,158 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:57:57,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:57:57,159 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:57:57,160 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:57:57,161 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:57:57,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:57:57,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:57:57,163 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:57:57,163 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:57:57,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:57:57,165 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:57:57,165 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:57:57,166 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:57:57,167 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:57:57,168 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:57:57,169 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:57:57,170 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:57:57,170 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:57:57,172 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:57:57,172 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:57:57,172 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:57:57,173 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:57:57,173 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:57:57,174 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:57:57,174 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:57:57,175 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:57:57,175 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:57:57,176 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:57:57,176 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:57:57,176 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:57:57,176 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:57:57,177 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:57:57,177 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3367647-0aa4-4600-a6f6-a44d8c238a69/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-10 12:57:57,187 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:57:57,187 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:57:57,187 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:57:57,187 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:57:57,188 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:57:57,188 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:57:57,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:57:57,188 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:57:57,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:57:57,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:57:57,189 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:57:57,189 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:57:57,189 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:57:57,189 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:57:57,189 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:57:57,190 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:57:57,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:57:57,190 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:57:57,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:57:57,190 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:57:57,190 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:57:57,191 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:57:57,191 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:57:57,191 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:57:57,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:57:57,191 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:57:57,191 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_c3367647-0aa4-4600-a6f6-a44d8c238a69/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 -> 3ab82e2ed26c720ff82226dfb4d227671c07baba [2018-11-10 12:57:57,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:57:57,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:57:57,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:57:57,229 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:57:57,229 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:57:57,230 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3367647-0aa4-4600-a6f6-a44d8c238a69/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point_false-unreach-call.cil.out.c [2018-11-10 12:57:57,275 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3367647-0aa4-4600-a6f6-a44d8c238a69/bin-2019/ukojak/data/9d0bd26ba/315b21815b3148e2be97aa52ac059f58/FLAG076a8efbd [2018-11-10 12:57:57,942 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:57:57,943 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3367647-0aa4-4600-a6f6-a44d8c238a69/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point_false-unreach-call.cil.out.c [2018-11-10 12:57:57,978 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3367647-0aa4-4600-a6f6-a44d8c238a69/bin-2019/ukojak/data/9d0bd26ba/315b21815b3148e2be97aa52ac059f58/FLAG076a8efbd [2018-11-10 12:57:57,987 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3367647-0aa4-4600-a6f6-a44d8c238a69/bin-2019/ukojak/data/9d0bd26ba/315b21815b3148e2be97aa52ac059f58 [2018-11-10 12:57:57,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:57:57,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:57:57,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:57:57,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:57:57,993 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:57:57,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:57:57" (1/1) ... [2018-11-10 12:57:57,995 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 12:57:57, skipping insertion in model container [2018-11-10 12:57:57,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:57:57" (1/1) ... [2018-11-10 12:57:58,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:57:58,141 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:58:01,471 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 12:58:01,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26342da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:01, skipping insertion in model container [2018-11-10 12:58:01,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:58:01,472 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-10 12:58:01,473 INFO L168 Benchmark]: Toolchain (without parser) took 3482.61 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 926.9 MB in the beginning and 883.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 298.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:58:01,474 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:58:01,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3480.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 926.9 MB in the beginning and 883.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 298.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:58:01,476 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3480.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 926.9 MB in the beginning and 883.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 298.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9015]: 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...