./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer --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 e2f6f3c42706076f5684647ff17a173806676fa1 .............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer --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 e2f6f3c42706076f5684647ff17a173806676fa1 ................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:39:26,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:39:26,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:39:26,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:39:26,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:39:26,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:39:26,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:39:26,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:39:26,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:39:26,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:39:26,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:39:26,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:39:26,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:39:26,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:39:26,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:39:26,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:39:26,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:39:26,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:39:26,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:39:26,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:39:26,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:39:26,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:39:26,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:39:26,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:39:26,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:39:26,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:39:26,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:39:26,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:39:26,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:39:26,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:39:26,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:39:26,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:39:26,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:39:26,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:39:26,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:39:26,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:39:26,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:39:26,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:39:26,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:39:26,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:39:26,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:39:26,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-11-29 19:39:26,300 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:39:26,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:39:26,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:39:26,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:39:26,304 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:39:26,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:39:26,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:39:26,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:39:26,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:39:26,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:39:26,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:39:26,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:39:26,307 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:39:26,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:39:26,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:39:26,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:39:26,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:39:26,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:39:26,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:39:26,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:39:26,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:39:26,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:39:26,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:39:26,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:39:26,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:39:26,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:39:26,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 19:39:26,310 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2f6f3c42706076f5684647ff17a173806676fa1 [2020-11-29 19:39:26,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:39:26,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:39:26,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:39:26,683 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:39:26,686 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:39:26,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i [2020-11-29 19:39:26,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/data/4832cba6e/680a5659cd42491583d14222edd0e1ff/FLAG041e98f6c [2020-11-29 19:39:28,914 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:39:28,915 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i [2020-11-29 19:39:29,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/data/4832cba6e/680a5659cd42491583d14222edd0e1ff/FLAG041e98f6c [2020-11-29 19:39:29,249 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/data/4832cba6e/680a5659cd42491583d14222edd0e1ff [2020-11-29 19:39:29,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:39:29,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:39:29,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:39:29,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:39:29,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:39:29,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:39:29" (1/1) ... [2020-11-29 19:39:29,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5601d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:39:29, skipping insertion in model container [2020-11-29 19:39:29,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:39:29" (1/1) ... [2020-11-29 19:39:29,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:39:29,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:39:31,841 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: drm_ut_debug_printk [2020-11-29 19:39:31,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2252c445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:39:31, skipping insertion in model container [2020-11-29 19:39:31,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:39:31,842 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 19:39:31,846 INFO L168 Benchmark]: Toolchain (without parser) took 2586.66 ms. Allocated memory was 153.1 MB in the beginning and 222.3 MB in the end (delta: 69.2 MB). Free memory was 76.3 MB in the beginning and 135.3 MB in the end (delta: -59.0 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:39:31,847 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 73.5 MB in the beginning and 73.4 MB in the end (delta: 53.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:39:31,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2583.35 ms. Allocated memory was 153.1 MB in the beginning and 222.3 MB in the end (delta: 69.2 MB). Free memory was 75.9 MB in the beginning and 135.3 MB in the end (delta: -59.4 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:39:31,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 73.5 MB in the beginning and 73.4 MB in the end (delta: 53.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2583.35 ms. Allocated memory was 153.1 MB in the beginning and 222.3 MB in the end (delta: 69.2 MB). Free memory was 75.9 MB in the beginning and 135.3 MB in the end (delta: -59.4 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7065]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: drm_ut_debug_printk RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:39:34,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:39:34,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:39:34,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:39:34,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:39:34,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:39:34,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:39:34,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:39:34,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:39:34,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:39:34,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:39:34,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:39:34,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:39:34,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:39:34,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:39:34,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:39:34,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:39:34,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:39:34,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:39:34,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:39:34,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:39:34,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:39:34,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:39:34,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:39:34,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:39:34,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:39:34,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:39:34,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:39:34,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:39:34,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:39:34,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:39:34,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:39:34,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:39:34,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:39:34,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:39:34,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:39:34,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:39:34,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:39:34,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:39:34,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:39:34,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:39:34,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-11-29 19:39:34,582 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:39:34,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:39:34,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:39:34,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:39:34,584 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:39:34,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:39:34,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:39:34,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:39:34,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:39:34,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:39:34,586 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 19:39:34,586 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 19:39:34,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:39:34,587 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:39:34,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:39:34,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:39:34,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:39:34,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:39:34,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:39:34,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:39:34,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:39:34,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:39:34,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:39:34,589 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 19:39:34,590 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 19:39:34,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:39:34,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:39:34,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 19:39:34,591 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-11-29 19:39:34,591 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2f6f3c42706076f5684647ff17a173806676fa1 [2020-11-29 19:39:35,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:39:35,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:39:35,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:39:35,115 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:39:35,118 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:39:35,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i [2020-11-29 19:39:35,204 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/data/e6fb8a0d4/f9997dc97c164048bdbe883179f40ca4/FLAG732956570 [2020-11-29 19:39:37,891 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:39:37,893 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i [2020-11-29 19:39:38,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/data/e6fb8a0d4/f9997dc97c164048bdbe883179f40ca4/FLAG732956570 [2020-11-29 19:39:38,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7455432c-492f-4083-a81e-2eae939033c4/bin/uautomizer/data/e6fb8a0d4/f9997dc97c164048bdbe883179f40ca4 [2020-11-29 19:39:38,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:39:38,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:39:38,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:39:38,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:39:38,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:39:38,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:39:38" (1/1) ... [2020-11-29 19:39:38,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d6c843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:39:38, skipping insertion in model container [2020-11-29 19:39:38,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:39:38" (1/1) ... [2020-11-29 19:39:38,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:39:38,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:39:40,647 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: drm_ut_debug_printk [2020-11-29 19:39:40,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12cad67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:39:40, skipping insertion in model container [2020-11-29 19:39:40,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:39:40,649 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 19:39:40,651 INFO L168 Benchmark]: Toolchain (without parser) took 2396.91 ms. Allocated memory was 115.3 MB in the beginning and 174.1 MB in the end (delta: 58.7 MB). Free memory was 48.4 MB in the beginning and 57.2 MB in the end (delta: -8.8 MB). Peak memory consumption was 71.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:39:40,652 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 50.3 MB. Free memory was 32.7 MB in the beginning and 32.7 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:39:40,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2393.63 ms. Allocated memory was 115.3 MB in the beginning and 174.1 MB in the end (delta: 58.7 MB). Free memory was 48.1 MB in the beginning and 57.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 71.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:39:40,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 50.3 MB. Free memory was 32.7 MB in the beginning and 32.7 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2393.63 ms. Allocated memory was 115.3 MB in the beginning and 174.1 MB in the end (delta: 58.7 MB). Free memory was 48.1 MB in the beginning and 57.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 71.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7065]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: drm_ut_debug_printk RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...