./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/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_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P --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 0f3f25ab272778d60a4dd1d458386797c8180d957341967ff1891e4670b1d0f6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:03:21,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:03:21,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:03:21,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:03:21,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:03:21,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:03:21,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:03:21,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:03:21,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:03:21,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:03:21,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:03:21,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:03:21,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:03:21,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:03:21,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:03:21,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:03:21,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:03:21,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:03:21,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:03:21,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:03:21,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:03:21,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:03:21,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:03:21,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:03:21,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:03:21,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:03:21,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:03:21,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:03:21,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:03:21,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:03:21,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:03:21,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:03:21,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:03:21,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:03:21,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:03:21,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:03:21,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:03:21,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:03:21,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:03:21,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:03:21,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:03:21,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:03:21,633 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:03:21,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:03:21,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:03:21,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:03:21,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:03:21,642 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:03:21,642 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:03:21,642 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:03:21,642 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:03:21,642 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:03:21,643 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:03:21,643 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:03:21,643 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:03:21,643 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:03:21,643 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:03:21,644 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:03:21,644 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:03:21,644 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:03:21,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:03:21,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:03:21,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:03:21,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:03:21,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:03:21,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:03:21,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:03:21,646 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:03:21,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:03:21,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:03:21,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:03:21,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:03:21,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:03:21,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:03:21,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:03:21,647 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:03:21,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:03:21,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:03:21,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:03:21,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:03:21,648 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_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3f25ab272778d60a4dd1d458386797c8180d957341967ff1891e4670b1d0f6 [2021-11-21 01:03:21,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:03:21,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:03:21,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:03:21,929 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:03:21,930 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:03:21,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/../../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 [2021-11-21 01:03:21,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/data/349d3fbde/d2121cb9117f49aa9f04463aa56d5504/FLAGb3b263803 [2021-11-21 01:03:23,665 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:03:23,666 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/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 [2021-11-21 01:03:23,846 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/data/349d3fbde/d2121cb9117f49aa9f04463aa56d5504/FLAGb3b263803 [2021-11-21 01:03:24,340 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/data/349d3fbde/d2121cb9117f49aa9f04463aa56d5504 [2021-11-21 01:03:24,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:03:24,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:03:24,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:03:24,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:03:24,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:03:24,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:24" (1/1) ... [2021-11-21 01:03:24,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea89b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:24, skipping insertion in model container [2021-11-21 01:03:24,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:24" (1/1) ... [2021-11-21 01:03:24,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:03:25,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:03:27,010 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 [2021-11-21 01:03:27,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@703f717b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:27, skipping insertion in model container [2021-11-21 01:03:27,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:03:27,035 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 01:03:27,038 INFO L158 Benchmark]: Toolchain (without parser) took 2692.08ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 74.6MB in the beginning and 146.9MB in the end (delta: -72.3MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2021-11-21 01:03:27,038 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 67.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:03:27,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2689.79ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 74.2MB in the beginning and 146.9MB in the end (delta: -72.7MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2021-11-21 01:03:27,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 67.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2689.79ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 74.2MB in the beginning and 146.9MB in the end (delta: -72.7MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/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_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P --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 0f3f25ab272778d60a4dd1d458386797c8180d957341967ff1891e4670b1d0f6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:03:29,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:03:29,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:03:29,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:03:29,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:03:29,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:03:29,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:03:29,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:03:29,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:03:29,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:03:29,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:03:29,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:03:29,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:03:29,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:03:29,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:03:29,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:03:29,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:03:29,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:03:29,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:03:29,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:03:29,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:03:29,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:03:29,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:03:29,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:03:29,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:03:29,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:03:29,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:03:29,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:03:29,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:03:29,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:03:29,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:03:29,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:03:29,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:03:29,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:03:29,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:03:29,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:03:29,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:03:29,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:03:29,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:03:29,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:03:29,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:03:29,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-21 01:03:29,366 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:03:29,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:03:29,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:03:29,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:03:29,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:03:29,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:03:29,368 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:03:29,368 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:03:29,369 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:03:29,369 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:03:29,369 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:03:29,369 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:03:29,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:03:29,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:03:29,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:03:29,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:03:29,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:03:29,372 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 01:03:29,372 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 01:03:29,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:03:29,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:03:29,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:03:29,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:03:29,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 01:03:29,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:03:29,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:03:29,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:03:29,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:03:29,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:03:29,375 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 01:03:29,375 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 01:03:29,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:03:29,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:03:29,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:03:29,376 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_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3f25ab272778d60a4dd1d458386797c8180d957341967ff1891e4670b1d0f6 [2021-11-21 01:03:29,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:03:29,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:03:29,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:03:29,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:03:29,762 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:03:29,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/../../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 [2021-11-21 01:03:29,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/data/4fc0b9a7e/c8418996d7b64cdf80267e82e5c11995/FLAG812ad24b3 [2021-11-21 01:03:31,897 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:03:31,898 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/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 [2021-11-21 01:03:32,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/data/4fc0b9a7e/c8418996d7b64cdf80267e82e5c11995/FLAG812ad24b3 [2021-11-21 01:03:32,271 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b71e17-1895-4ce8-81a6-8774664d19de/bin/utaipan-TEXQjIfE4P/data/4fc0b9a7e/c8418996d7b64cdf80267e82e5c11995 [2021-11-21 01:03:32,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:03:32,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:03:32,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:03:32,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:03:32,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:03:32,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:32" (1/1) ... [2021-11-21 01:03:32,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1dda28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:32, skipping insertion in model container [2021-11-21 01:03:32,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:32" (1/1) ... [2021-11-21 01:03:32,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:03:32,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:03:34,751 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 [2021-11-21 01:03:34,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a5c78d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:34, skipping insertion in model container [2021-11-21 01:03:34,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:03:34,753 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 01:03:34,757 INFO L158 Benchmark]: Toolchain (without parser) took 2477.75ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 93.5MB in the beginning and 127.3MB in the end (delta: -33.8MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2021-11-21 01:03:34,758 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.8MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:03:34,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2473.47ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 93.0MB in the beginning and 127.3MB in the end (delta: -34.3MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2021-11-21 01:03:34,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.8MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2473.47ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 93.0MB in the beginning and 127.3MB in the end (delta: -34.3MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN