./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--i915--i915.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG --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 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e ........................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG --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 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:55:42,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:55:42,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:55:42,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:55:42,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:55:42,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:55:42,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:55:42,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:55:42,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:55:42,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:55:42,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:55:42,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:55:42,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:55:42,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:55:42,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:55:42,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:55:42,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:55:42,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:55:42,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:55:42,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:55:42,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:55:42,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:55:42,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:55:42,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:55:42,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:55:42,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:55:42,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:55:42,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:55:42,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:55:42,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:55:42,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:55:42,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:55:42,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:55:42,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:55:42,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:55:42,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:55:42,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:55:42,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:55:42,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:55:42,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:55:42,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:55:42,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-29 04:55:42,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:55:42,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:55:42,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:55:42,950 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:55:42,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:55:42,951 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:55:42,951 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:55:42,952 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:55:42,952 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:55:42,952 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:55:42,953 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:55:42,953 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:55:42,953 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:55:42,954 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:55:42,954 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:55:42,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:55:42,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:55:42,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:55:42,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:55:42,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:55:42,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:55:42,957 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:55:42,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:55:42,958 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:55:42,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:55:42,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:55:42,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:55:42,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:55:42,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:55:42,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:55:42,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:55:42,960 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:55:42,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:55:42,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:55:42,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:55:42,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:55:42,962 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_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e [2021-10-29 04:55:43,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:55:43,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:55:43,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:55:43,268 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:55:43,269 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:55:43,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-10-29 04:55:43,337 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/data/2fd38287d/7acbca8030614f9f86134fccf425fa04/FLAGea56e426b [2021-10-29 04:55:47,170 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:55:47,173 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-10-29 04:55:47,952 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/data/2fd38287d/7acbca8030614f9f86134fccf425fa04/FLAGea56e426b [2021-10-29 04:55:48,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/data/2fd38287d/7acbca8030614f9f86134fccf425fa04 [2021-10-29 04:55:48,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:55:48,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:55:48,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:55:48,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:55:48,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:55:48,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:55:48" (1/1) ... [2021-10-29 04:55:48,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467eed75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:48, skipping insertion in model container [2021-10-29 04:55:48,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:55:48" (1/1) ... [2021-10-29 04:55:48,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:55:49,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:56:09,822 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-29 04:56:09,828 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-29 04:56:09,840 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-29 04:56:10,321 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-29 04:56:10,322 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-29 04:56:10,969 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-29 04:56:12,006 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-29 04:56:12,077 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-29 04:56:27,048 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1038) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:946) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1778) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1353) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2915) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2775) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2085) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 04:56:27,055 INFO L168 Benchmark]: Toolchain (without parser) took 38839.19 ms. Allocated memory was 302.0 MB in the beginning and 794.8 MB in the end (delta: 492.8 MB). Free memory was 137.2 MB in the beginning and 572.7 MB in the end (delta: -435.5 MB). Peak memory consumption was 464.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:56:27,056 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:56:27,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 38836.98 ms. Allocated memory was 302.0 MB in the beginning and 794.8 MB in the end (delta: 492.8 MB). Free memory was 137.2 MB in the beginning and 572.7 MB in the end (delta: -435.5 MB). Peak memory consumption was 464.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:56:27,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 38836.98 ms. Allocated memory was 302.0 MB in the beginning and 794.8 MB in the end (delta: 492.8 MB). Free memory was 137.2 MB in the beginning and 572.7 MB in the end (delta: -435.5 MB). Peak memory consumption was 464.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:193) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:56:29,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:56:29,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:56:29,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:56:29,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:56:29,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:56:29,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:56:29,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:56:29,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:56:29,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:56:29,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:56:29,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:56:29,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:56:29,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:56:29,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:56:29,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:56:29,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:56:29,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:56:29,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:56:29,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:56:29,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:56:29,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:56:29,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:56:29,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:56:29,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:56:29,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:56:29,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:56:29,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:56:29,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:56:29,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:56:29,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:56:29,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:56:29,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:56:29,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:56:29,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:56:29,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:56:29,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:56:29,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:56:29,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:56:29,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:56:29,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:56:29,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-29 04:56:29,548 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:56:29,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:56:29,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:56:29,550 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:56:29,550 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:56:29,550 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:56:29,550 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:56:29,551 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:56:29,551 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:56:29,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:56:29,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:56:29,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:56:29,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:56:29,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:56:29,553 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:56:29,554 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:56:29,554 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:56:29,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:56:29,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:56:29,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:56:29,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:56:29,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:56:29,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:56:29,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:56:29,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:56:29,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:56:29,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:56:29,557 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:56:29,557 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:56:29,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:56:29,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:56:29,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:56:29,558 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_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e [2021-10-29 04:56:29,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:56:29,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:56:29,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:56:29,955 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:56:29,956 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:56:29,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-10-29 04:56:30,039 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/data/e4a89a938/468316bd7c914e84bc49c00034834d1b/FLAGb7016b54a [2021-10-29 04:56:34,628 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:56:34,629 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-10-29 04:56:35,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/data/e4a89a938/468316bd7c914e84bc49c00034834d1b/FLAGb7016b54a [2021-10-29 04:56:35,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feda2fc-426c-45e0-be15-22c4806558d4/bin/utaipan-SDwSMHVbGG/data/e4a89a938/468316bd7c914e84bc49c00034834d1b [2021-10-29 04:56:35,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:56:35,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:56:35,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:56:35,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:56:35,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:56:35,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:56:35" (1/1) ... [2021-10-29 04:56:35,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610d668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:56:35, skipping insertion in model container [2021-10-29 04:56:35,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:56:35" (1/1) ... [2021-10-29 04:56:35,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:56:36,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:57:31,966 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2021-10-29 04:57:31,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7273d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:31, skipping insertion in model container [2021-10-29 04:57:31,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:57:31,968 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:57:31,971 INFO L168 Benchmark]: Toolchain (without parser) took 56445.55 ms. Allocated memory was 352.3 MB in the beginning and 1.1 GB in the end (delta: 742.4 MB). Free memory was 181.7 MB in the beginning and 720.1 MB in the end (delta: -538.3 MB). Peak memory consumption was 500.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:31,972 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:57:31,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 56443.06 ms. Allocated memory was 352.3 MB in the beginning and 1.1 GB in the end (delta: 742.4 MB). Free memory was 181.7 MB in the beginning and 720.1 MB in the end (delta: -538.3 MB). Peak memory consumption was 500.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:57:31,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 56443.06 ms. Allocated memory was 352.3 MB in the beginning and 1.1 GB in the end (delta: 742.4 MB). Free memory was 181.7 MB in the beginning and 720.1 MB in the end (delta: -538.3 MB). Peak memory consumption was 500.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 26370]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...