./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/bitvector/modulus_false-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/modulus_false-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6253a401c5a2a2b8eab18bffe82737a5c816300f ............................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:04:15,610 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:04:15,611 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:04:15,619 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:04:15,619 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:04:15,620 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:04:15,621 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:04:15,622 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:04:15,623 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:04:15,624 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:04:15,624 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:04:15,624 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:04:15,625 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:04:15,626 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:04:15,626 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:04:15,627 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:04:15,628 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:04:15,629 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:04:15,630 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:04:15,631 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:04:15,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:04:15,633 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:04:15,634 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:04:15,635 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:04:15,635 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:04:15,635 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:04:15,636 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:04:15,637 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:04:15,637 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:04:15,638 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:04:15,638 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:04:15,639 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:04:15,639 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:04:15,639 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:04:15,640 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:04:15,640 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:04:15,640 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2018-11-10 11:04:15,650 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:04:15,650 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:04:15,651 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:04:15,651 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:04:15,651 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:04:15,651 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:04:15,651 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 11:04:15,651 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:04:15,651 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 11:04:15,652 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 11:04:15,652 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:04:15,652 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:04:15,652 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:04:15,652 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 11:04:15,652 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:04:15,652 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:04:15,653 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:04:15,653 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:04:15,653 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:04:15,653 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:04:15,653 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 11:04:15,653 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:04:15,653 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:04:15,653 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:04:15,653 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:04:15,653 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:04:15,653 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:04:15,654 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:04:15,654 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:04:15,654 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:04:15,654 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:04:15,654 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:04:15,654 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 11:04:15,654 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:04:15,654 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:04:15,654 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 11:04:15,654 INFO L133 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/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/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 ! overflow) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6253a401c5a2a2b8eab18bffe82737a5c816300f [2018-11-10 11:04:15,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:04:15,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:04:15,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:04:15,688 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:04:15,688 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:04:15,689 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan/../../sv-benchmarks/c/bitvector/modulus_false-no-overflow.i [2018-11-10 11:04:15,722 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan/data/68bc7d9b2/58addb7d9a734fc99a0feed9502f50d3/FLAGf88dc35c8 [2018-11-10 11:04:16,019 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:04:16,019 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/sv-benchmarks/c/bitvector/modulus_false-no-overflow.i [2018-11-10 11:04:16,023 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan/data/68bc7d9b2/58addb7d9a734fc99a0feed9502f50d3/FLAGf88dc35c8 [2018-11-10 11:04:16,032 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c510ed37-8e7c-4927-acf3-39a388f2dff8/bin-2019/utaipan/data/68bc7d9b2/58addb7d9a734fc99a0feed9502f50d3 [2018-11-10 11:04:16,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:04:16,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:04:16,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:04:16,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:04:16,037 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:04:16,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:04:16" (1/1) ... [2018-11-10 11:04:16,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7e98ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:16, skipping insertion in model container [2018-11-10 11:04:16,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:04:16" (1/1) ... [2018-11-10 11:04:16,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:04:16,057 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:04:16,147 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractBooleanValue(TypeSizes.java:432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValueInteger(TypeSizes.java:391) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:179) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleBitshiftOperation(CHandler.java:3728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:882) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:662) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:663) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1300) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:364) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:537) 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:188) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 11:04:16,149 INFO L168 Benchmark]: Toolchain (without parser) took 115.13 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 952.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:04:16,150 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:04:16,151 INFO L168 Benchmark]: CACSL2BoogieTranslator took 113.64 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 952.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:04:16,153 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 113.64 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 952.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractBooleanValue(TypeSizes.java:432) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...