./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/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_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9 --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 21:08:17,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:08:17,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:08:17,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:08:17,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:08:17,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:08:17,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:08:17,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:08:17,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:08:17,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:08:17,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:08:17,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:08:17,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:08:17,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:08:17,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:08:17,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:08:17,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:08:17,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:08:17,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:08:17,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:08:17,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:08:17,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:08:17,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:08:17,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:08:17,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:08:17,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:08:17,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:08:17,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:08:17,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:08:17,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:08:17,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:08:17,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:08:17,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:08:17,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:08:17,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:08:17,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:08:17,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:08:17,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:08:17,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:08:17,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:08:17,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:08:17,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 21:08:17,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:08:17,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:08:17,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:08:17,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:08:17,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:08:17,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:08:17,584 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:08:17,585 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:08:17,585 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:08:17,585 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:08:17,585 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:08:17,585 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:08:17,586 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:08:17,586 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:08:17,586 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:08:17,586 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:08:17,587 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:08:17,587 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:08:17,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:08:17,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:08:17,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:08:17,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:08:17,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:08:17,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:08:17,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:08:17,591 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:08:17,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:08:17,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:08:17,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:08:17,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:08:17,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:08:17,592 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:08:17,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:08:17,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:08:17,593 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:08:17,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:08:17,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:08:17,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:08:17,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3f25ab272778d60a4dd1d458386797c8180d957341967ff1891e4670b1d0f6 [2022-11-20 21:08:17,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:08:17,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:08:17,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:08:17,987 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:08:17,988 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:08:17,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/../../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 [2022-11-20 21:08:21,319 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:08:22,986 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:08:22,987 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/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 [2022-11-20 21:08:23,126 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/data/3d0bae226/03e6cfea66f945599f41e0147c66a5d1/FLAGf4ec88068 [2022-11-20 21:08:23,153 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/data/3d0bae226/03e6cfea66f945599f41e0147c66a5d1 [2022-11-20 21:08:23,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:08:23,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:08:23,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:08:23,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:08:23,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:08:23,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:08:23" (1/1) ... [2022-11-20 21:08:23,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3581d407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:23, skipping insertion in model container [2022-11-20 21:08:23,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:08:23" (1/1) ... [2022-11-20 21:08:23,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:08:23,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:08:25,551 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 [2022-11-20 21:08:25,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26b0c081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:25, skipping insertion in model container [2022-11-20 21:08:25,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:08:25,553 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 21:08:25,556 INFO L158 Benchmark]: Toolchain (without parser) took 2392.03ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 50.4MB in the beginning and 140.4MB in the end (delta: -90.0MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2022-11-20 21:08:25,556 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:08:25,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2388.22ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 49.8MB in the beginning and 140.4MB in the end (delta: -90.6MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2022-11-20 21:08:25,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2388.22ms. Allocated memory was 146.8MB in the beginning and 216.0MB in the end (delta: 69.2MB). Free memory was 49.8MB in the beginning and 140.4MB in the end (delta: -90.6MB). Peak memory consumption was 59.5MB. 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/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_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9 --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 21:08:28,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:08:28,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:08:28,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:08:28,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:08:28,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:08:28,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:08:28,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:08:28,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:08:28,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:08:28,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:08:28,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:08:28,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:08:28,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:08:28,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:08:28,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:08:28,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:08:28,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:08:28,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:08:28,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:08:28,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:08:28,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:08:28,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:08:28,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:08:28,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:08:28,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:08:28,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:08:28,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:08:28,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:08:28,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:08:28,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:08:28,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:08:28,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:08:28,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:08:28,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:08:28,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:08:28,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:08:28,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:08:28,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:08:28,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:08:28,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:08:28,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 21:08:28,374 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:08:28,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:08:28,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:08:28,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:08:28,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:08:28,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:08:28,378 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:08:28,378 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:08:28,379 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:08:28,379 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:08:28,380 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:08:28,381 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:08:28,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:08:28,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:08:28,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:08:28,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:08:28,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:08:28,383 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:08:28,383 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 21:08:28,383 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 21:08:28,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:08:28,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:08:28,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:08:28,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:08:28,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 21:08:28,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:08:28,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:08:28,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:08:28,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:08:28,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:08:28,387 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 21:08:28,387 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 21:08:28,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:08:28,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:08:28,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 21:08:28,388 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_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3f25ab272778d60a4dd1d458386797c8180d957341967ff1891e4670b1d0f6 [2022-11-20 21:08:28,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:08:28,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:08:28,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:08:28,966 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:08:28,967 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:08:28,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/../../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 [2022-11-20 21:08:32,599 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:08:34,483 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:08:34,483 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/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 [2022-11-20 21:08:34,744 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/data/5750d273c/84f79af24894466285b99ea7e51bae7b/FLAG869a1af86 [2022-11-20 21:08:34,764 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a8b804-fd23-430a-9a30-177dc2a022b5/bin/utaipan-6cKwYrpEi9/data/5750d273c/84f79af24894466285b99ea7e51bae7b [2022-11-20 21:08:34,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:08:34,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:08:34,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:08:34,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:08:34,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:08:34,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:08:34" (1/1) ... [2022-11-20 21:08:34,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338371a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:34, skipping insertion in model container [2022-11-20 21:08:34,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:08:34" (1/1) ... [2022-11-20 21:08:34,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:08:35,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:08:37,299 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 [2022-11-20 21:08:37,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61385b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:37, skipping insertion in model container [2022-11-20 21:08:37,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:08:37,300 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 21:08:37,302 INFO L158 Benchmark]: Toolchain (without parser) took 2531.40ms. Allocated memory was 109.1MB in the beginning and 161.5MB in the end (delta: 52.4MB). Free memory was 43.1MB in the beginning and 70.9MB in the end (delta: -27.8MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-11-20 21:08:37,303 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:08:37,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2525.19ms. Allocated memory was 109.1MB in the beginning and 161.5MB in the end (delta: 52.4MB). Free memory was 42.9MB in the beginning and 70.9MB in the end (delta: -28.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-11-20 21:08:37,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2525.19ms. Allocated memory was 109.1MB in the beginning and 161.5MB in the end (delta: 52.4MB). Free memory was 42.9MB in the beginning and 70.9MB in the end (delta: -28.0MB). Peak memory consumption was 50.6MB. 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