./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/config/TaipanReach.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_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan --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 Taipan --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_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/config/TaipanReach.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_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan --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 Taipan --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 0.2.0-7b2dab5 [2020-12-09 10:30:36,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:30:36,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:30:36,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:30:36,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:30:36,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:30:36,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:30:36,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:30:36,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:30:36,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:30:36,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:30:36,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:30:36,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:30:36,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:30:36,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:30:36,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:30:36,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:30:36,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:30:36,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:30:36,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:30:36,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:30:36,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:30:36,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:30:36,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:30:36,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:30:36,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:30:36,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:30:36,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:30:36,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:30:36,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:30:36,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:30:36,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:30:36,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:30:36,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:30:36,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:30:36,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:30:36,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:30:36,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:30:36,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:30:36,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:30:36,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:30:36,600 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-12-09 10:30:36,617 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:30:36,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:30:36,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:30:36,618 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:30:36,618 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:30:36,618 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:30:36,618 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:30:36,619 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:30:36,619 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:30:36,619 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:30:36,619 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:30:36,619 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:30:36,619 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:30:36,619 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:30:36,619 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:30:36,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:30:36,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:30:36,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:30:36,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:30:36,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:30:36,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:30:36,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:30:36,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:30:36,621 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:30:36,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:30:36,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:30:36,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:30:36,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:30:36,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:30:36,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:30:36,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:30:36,622 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:30:36,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:30:36,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:30:36,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:30:36,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:30:36,623 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2f6f3c42706076f5684647ff17a173806676fa1 [2020-12-09 10:30:36,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:30:36,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:30:36,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:30:36,817 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:30:36,817 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:30:36,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/../../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 [2020-12-09 10:30:36,864 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/data/74fc4bc99/e0a7aae7a3a54725a8bf6300b0f60600/FLAG196ca8151 [2020-12-09 10:30:37,862 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:30:37,862 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/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 [2020-12-09 10:30:37,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/data/74fc4bc99/e0a7aae7a3a54725a8bf6300b0f60600/FLAG196ca8151 [2020-12-09 10:30:38,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/data/74fc4bc99/e0a7aae7a3a54725a8bf6300b0f60600 [2020-12-09 10:30:38,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:30:38,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:30:38,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:30:38,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:30:38,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:30:38,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:30:38" (1/1) ... [2020-12-09 10:30:38,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1e6074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:38, skipping insertion in model container [2020-12-09 10:30:38,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:30:38" (1/1) ... [2020-12-09 10:30:38,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:30:38,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:30:39,879 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 [2020-12-09 10:30:39,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4bc71aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:39, skipping insertion in model container [2020-12-09 10:30:39,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:30:39,880 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 10:30:39,881 INFO L168 Benchmark]: Toolchain (without parser) took 1457.65 ms. Allocated memory was 100.7 MB in the beginning and 169.9 MB in the end (delta: 69.2 MB). Free memory was 37.0 MB in the beginning and 74.3 MB in the end (delta: -37.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-12-09 10:30:39,882 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 69.2 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:30:39,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1453.14 ms. Allocated memory was 100.7 MB in the beginning and 169.9 MB in the end (delta: 69.2 MB). Free memory was 37.0 MB in the beginning and 74.3 MB in the end (delta: -37.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-12-09 10:30:39,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 69.2 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1453.14 ms. Allocated memory was 100.7 MB in the beginning and 169.9 MB in the end (delta: 69.2 MB). Free memory was 37.0 MB in the beginning and 74.3 MB in the end (delta: -37.3 MB). Peak memory consumption was 34.8 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 0.2.0-7b2dab5 [2020-12-09 10:30:41,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:30:41,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:30:41,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:30:41,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:30:41,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:30:41,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:30:41,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:30:41,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:30:41,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:30:41,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:30:41,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:30:41,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:30:41,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:30:41,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:30:41,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:30:41,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:30:41,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:30:41,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:30:41,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:30:41,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:30:41,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:30:41,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:30:41,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:30:41,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:30:41,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:30:41,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:30:41,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:30:41,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:30:41,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:30:41,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:30:41,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:30:41,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:30:41,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:30:41,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:30:41,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:30:41,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:30:41,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:30:41,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:30:41,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:30:41,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:30:41,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-12-09 10:30:41,296 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:30:41,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:30:41,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:30:41,297 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:30:41,297 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:30:41,297 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:30:41,298 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:30:41,298 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:30:41,298 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:30:41,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:30:41,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:30:41,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:30:41,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:30:41,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:30:41,299 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:30:41,299 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 10:30:41,299 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 10:30:41,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:30:41,299 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:30:41,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:30:41,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:30:41,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 10:30:41,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:30:41,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:30:41,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:30:41,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:30:41,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:30:41,300 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 10:30:41,300 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 10:30:41,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:30:41,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:30:41,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:30:41,301 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2f6f3c42706076f5684647ff17a173806676fa1 [2020-12-09 10:30:41,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:30:41,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:30:41,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:30:41,554 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:30:41,555 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:30:41,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/../../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 [2020-12-09 10:30:41,600 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/data/acf4e60e4/10fb4097ff5f42189be4a5d9e20f21fe/FLAG8988edba2 [2020-12-09 10:30:42,747 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:30:42,748 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/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 [2020-12-09 10:30:42,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/data/acf4e60e4/10fb4097ff5f42189be4a5d9e20f21fe/FLAG8988edba2 [2020-12-09 10:30:43,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11b0a1b9-d244-4785-ab54-4635dda22c70/bin/utaipan/data/acf4e60e4/10fb4097ff5f42189be4a5d9e20f21fe [2020-12-09 10:30:43,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:30:43,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:30:43,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:30:43,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:30:43,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:30:43,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:30:43" (1/1) ... [2020-12-09 10:30:43,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e94cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:43, skipping insertion in model container [2020-12-09 10:30:43,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:30:43" (1/1) ... [2020-12-09 10:30:43,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:30:43,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:30:44,500 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 [2020-12-09 10:30:44,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b4b83e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:44, skipping insertion in model container [2020-12-09 10:30:44,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:30:44,501 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 10:30:44,504 INFO L168 Benchmark]: Toolchain (without parser) took 1416.57 ms. Allocated memory was 77.6 MB in the beginning and 125.8 MB in the end (delta: 48.2 MB). Free memory was 26.2 MB in the beginning and 41.2 MB in the end (delta: -14.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. [2020-12-09 10:30:44,505 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 60.8 MB. Free memory was 43.8 MB in the beginning and 43.8 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:30:44,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1415.00 ms. Allocated memory was 77.6 MB in the beginning and 125.8 MB in the end (delta: 48.2 MB). Free memory was 26.1 MB in the beginning and 41.2 MB in the end (delta: -15.1 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. [2020-12-09 10:30:44,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 60.8 MB. Free memory was 43.8 MB in the beginning and 43.8 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1415.00 ms. Allocated memory was 77.6 MB in the beginning and 125.8 MB in the end (delta: 48.2 MB). Free memory was 26.1 MB in the beginning and 41.2 MB in the end (delta: -15.1 MB). Peak memory consumption was 43.9 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...