./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 950103e94d5c7348a3da4e047f7518950167bd40 ....................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 950103e94d5c7348a3da4e047f7518950167bd40 .............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:07:35,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:07:35,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:07:35,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:07:35,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:07:35,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:07:35,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:07:35,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:07:35,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:07:35,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:07:35,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:07:35,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:07:35,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:07:35,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:07:35,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:07:35,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:07:35,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:07:35,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:07:35,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:07:35,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:07:35,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:07:35,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:07:35,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:07:35,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:07:35,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:07:35,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:07:35,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:07:35,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:07:35,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:07:35,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:07:35,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:07:35,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:07:35,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:07:35,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:07:35,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:07:35,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:07:35,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:07:35,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:07:35,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:07:35,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:07:35,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:07:35,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-12-07 14:07:35,491 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:07:35,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:07:35,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:07:35,491 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:07:35,492 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:07:35,492 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:07:35,492 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:07:35,492 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:07:35,492 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:07:35,492 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:07:35,492 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:07:35,492 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:07:35,492 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:07:35,493 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:07:35,493 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:07:35,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:07:35,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:07:35,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:07:35,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:07:35,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:07:35,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:07:35,494 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:07:35,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:07:35,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:07:35,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:07:35,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:07:35,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:07:35,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:07:35,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:07:35,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:07:35,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:07:35,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:07:35,495 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:07:35,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:07:35,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:07:35,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:07:35,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:07:35,496 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-12-07 14:07:35,496 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> 950103e94d5c7348a3da4e047f7518950167bd40 [2019-12-07 14:07:35,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:07:35,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:07:35,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:07:35,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:07:35,604 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:07:35,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2019-12-07 14:07:35,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/data/f3c5665d2/04b9403e4c554d89a5b9eac9b1230cf4/FLAG6572a40c4 [2019-12-07 14:07:37,193 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:07:37,194 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2019-12-07 14:07:37,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/data/f3c5665d2/04b9403e4c554d89a5b9eac9b1230cf4/FLAG6572a40c4 [2019-12-07 14:07:37,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/data/f3c5665d2/04b9403e4c554d89a5b9eac9b1230cf4 [2019-12-07 14:07:37,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:07:37,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:07:37,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:07:37,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:07:37,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:07:37,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:07:37" (1/1) ... [2019-12-07 14:07:37,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52edde83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:07:37, skipping insertion in model container [2019-12-07 14:07:37,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:07:37" (1/1) ... [2019-12-07 14:07:37,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:07:38,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:07:55,411 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 14:07:55,412 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 14:07:55,415 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 14:07:55,671 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 14:07:55,672 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 14:07:55,997 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 14:07:56,778 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 14:07:56,844 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 14:08:10,067 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:1015) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:923) 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:1749) 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:1324) 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:2882) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2741) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2056) 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:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) 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:125) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 14:08:10,071 INFO L168 Benchmark]: Toolchain (without parser) took 32369.98 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 446.2 MB). Free memory was 861.2 MB in the beginning and 859.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 468.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:08:10,071 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:08:10,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 32367.98 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 446.2 MB). Free memory was 861.2 MB in the beginning and 859.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 468.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:08:10,073 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 32367.98 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 446.2 MB). Free memory was 861.2 MB in the beginning and 859.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 468.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$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 0.1.25-f470102 [2019-12-07 14:08:11,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:08:11,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:08:11,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:08:11,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:08:11,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:08:11,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:08:11,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:08:11,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:08:11,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:08:11,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:08:11,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:08:11,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:08:11,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:08:11,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:08:11,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:08:11,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:08:11,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:08:11,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:08:11,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:08:11,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:08:11,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:08:11,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:08:11,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:08:11,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:08:11,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:08:11,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:08:11,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:08:11,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:08:11,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:08:11,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:08:11,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:08:11,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:08:11,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:08:11,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:08:11,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:08:11,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:08:11,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:08:11,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:08:11,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:08:11,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:08:11,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-12-07 14:08:11,222 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:08:11,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:08:11,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:08:11,223 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:08:11,223 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:08:11,223 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:08:11,223 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:08:11,223 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:08:11,224 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:08:11,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:08:11,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:08:11,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:08:11,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:08:11,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:08:11,225 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:08:11,225 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:08:11,225 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:08:11,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:08:11,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:08:11,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:08:11,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:08:11,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:08:11,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:08:11,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:08:11,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:08:11,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:08:11,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:08:11,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:08:11,227 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:08:11,227 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:08:11,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:08:11,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:08:11,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:08:11,228 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> 950103e94d5c7348a3da4e047f7518950167bd40 [2019-12-07 14:08:11,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:08:11,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:08:11,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:08:11,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:08:11,411 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:08:11,412 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2019-12-07 14:08:11,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/data/8c4f9f0d5/3e113403ef144f44bf6a0e5e76b7dfd7/FLAGd43f003fb [2019-12-07 14:08:13,037 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:08:13,037 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2019-12-07 14:08:13,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/data/8c4f9f0d5/3e113403ef144f44bf6a0e5e76b7dfd7/FLAGd43f003fb [2019-12-07 14:08:13,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_29b5c708-9fdc-4167-9a15-a4b033d9a9a6/bin/utaipan/data/8c4f9f0d5/3e113403ef144f44bf6a0e5e76b7dfd7 [2019-12-07 14:08:13,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:08:13,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:08:13,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:08:13,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:08:13,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:08:13,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:08:13" (1/1) ... [2019-12-07 14:08:13,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186d073f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:13, skipping insertion in model container [2019-12-07 14:08:13,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:08:13" (1/1) ... [2019-12-07 14:08:13,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:08:14,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:08:56,943 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-12-07 14:08:56,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a0dd040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:56, skipping insertion in model container [2019-12-07 14:08:56,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:08:56,944 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:08:56,946 INFO L168 Benchmark]: Toolchain (without parser) took 43225.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 387.4 MB). Free memory was 982.6 MB in the beginning and 842.4 MB in the end (delta: 140.2 MB). Peak memory consumption was 573.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:08:56,946 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:08:56,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 43223.31 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 387.4 MB). Free memory was 982.6 MB in the beginning and 842.4 MB in the end (delta: 140.2 MB). Peak memory consumption was 573.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:08:56,948 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 43223.31 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 387.4 MB). Free memory was 982.6 MB in the beginning and 842.4 MB in the end (delta: 140.2 MB). Peak memory consumption was 573.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 22763]: 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...