./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/sum_array_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/sum_array_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d03898b2adab3b021eca92ab7fbddac81b7b0464 ........................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/sum_array_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d03898b2adab3b021eca92ab7fbddac81b7b0464 ....................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:48:43,389 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:48:43,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:48:43,398 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:48:43,398 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:48:43,399 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:48:43,400 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:48:43,401 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:48:43,402 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:48:43,402 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:48:43,403 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:48:43,403 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:48:43,404 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:48:43,405 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:48:43,405 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:48:43,406 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:48:43,406 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:48:43,407 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:48:43,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:48:43,410 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:48:43,410 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:48:43,411 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:48:43,413 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:48:43,413 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:48:43,414 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:48:43,414 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:48:43,415 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:48:43,415 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:48:43,415 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:48:43,416 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:48:43,416 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:48:43,416 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:48:43,417 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:48:43,417 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:48:43,417 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:48:43,418 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:48:43,418 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 07:48:43,424 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:48:43,425 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:48:43,425 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:48:43,425 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:48:43,426 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:48:43,426 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:48:43,426 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:48:43,426 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:48:43,426 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:48:43,426 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:48:43,426 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:48:43,426 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:48:43,427 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:48:43,427 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:48:43,427 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:48:43,427 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:48:43,427 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:48:43,427 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:48:43,427 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:48:43,427 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:48:43,427 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:48:43,428 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:48:43,428 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:48:43,428 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:48:43,428 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:48:43,428 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:48:43,428 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:48:43,428 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:48:43,428 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:48:43,429 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer 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 -> Automizer 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 -> d03898b2adab3b021eca92ab7fbddac81b7b0464 [2018-11-10 07:48:43,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:48:43,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:48:43,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:48:43,465 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:48:43,465 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:48:43,465 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/../../sv-benchmarks/c/loops/sum_array_false-unreach-call.i [2018-11-10 07:48:43,511 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/data/cdaaae674/5fd4673de4c549a6bd3619d1a2568106/FLAG181e8149e [2018-11-10 07:48:43,895 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:48:43,896 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/sv-benchmarks/c/loops/sum_array_false-unreach-call.i [2018-11-10 07:48:43,899 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/data/cdaaae674/5fd4673de4c549a6bd3619d1a2568106/FLAG181e8149e [2018-11-10 07:48:43,908 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/data/cdaaae674/5fd4673de4c549a6bd3619d1a2568106 [2018-11-10 07:48:43,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:48:43,911 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:48:43,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:48:43,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:48:43,914 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:48:43,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:48:43" (1/1) ... [2018-11-10 07:48:43,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae94ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:43, skipping insertion in model container [2018-11-10 07:48:43,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:48:43" (1/1) ... [2018-11-10 07:48:43,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:48:43,935 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:48:44,030 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:48:44,032 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:48:44,040 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.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:335) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.extractSizeTValue(TypeSizeAndOffsetComputer.java:317) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValue_Array(TypeSizeAndOffsetComputer.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:200) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:120) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.calculateSizeOf(MemoryHandler.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getMallocCall(MemoryHandler.java:514) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2686) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1876) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1011) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:318) 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.MainDispatcher.dispatch(MainDispatcher.java:332) 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.MainDispatcher.dispatch(MainDispatcher.java:287) 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.MainDispatcher.dispatch(MainDispatcher.java:268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:228) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 07:48:44,042 INFO L168 Benchmark]: Toolchain (without parser) took 131.77 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:44,043 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:48:44,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.27 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:44,046 INFO L336 ainManager$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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.27 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 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... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:48:45,287 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:48:45,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:48:45,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:48:45,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:48:45,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:48:45,300 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:48:45,301 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:48:45,303 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:48:45,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:48:45,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:48:45,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:48:45,305 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:48:45,306 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:48:45,307 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:48:45,308 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:48:45,308 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:48:45,310 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:48:45,311 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:48:45,313 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:48:45,314 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:48:45,315 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:48:45,317 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:48:45,318 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:48:45,318 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:48:45,318 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:48:45,319 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:48:45,320 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:48:45,321 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:48:45,322 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:48:45,322 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:48:45,323 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:48:45,323 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:48:45,323 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:48:45,324 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:48:45,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:48:45,325 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 07:48:45,336 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:48:45,336 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:48:45,337 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:48:45,337 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:48:45,338 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:48:45,338 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:48:45,338 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:48:45,338 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:48:45,338 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:48:45,338 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:48:45,339 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:48:45,339 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:48:45,339 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:48:45,339 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:48:45,339 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:48:45,339 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:48:45,340 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:48:45,340 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:48:45,340 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:48:45,340 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:48:45,340 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:48:45,340 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:48:45,340 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:48:45,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:48:45,341 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:48:45,341 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:48:45,341 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:48:45,341 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 07:48:45,341 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:48:45,342 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:48:45,342 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:48:45,342 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer 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 -> Automizer 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 -> d03898b2adab3b021eca92ab7fbddac81b7b0464 [2018-11-10 07:48:45,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:48:45,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:48:45,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:48:45,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:48:45,388 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:48:45,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/../../sv-benchmarks/c/loops/sum_array_false-unreach-call.i [2018-11-10 07:48:45,436 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/data/3b4d84a8a/fd96864e7d194af39338a019a48ad264/FLAG8b82175b6 [2018-11-10 07:48:45,737 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:48:45,738 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/sv-benchmarks/c/loops/sum_array_false-unreach-call.i [2018-11-10 07:48:45,741 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/data/3b4d84a8a/fd96864e7d194af39338a019a48ad264/FLAG8b82175b6 [2018-11-10 07:48:45,749 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/data/3b4d84a8a/fd96864e7d194af39338a019a48ad264 [2018-11-10 07:48:45,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:48:45,752 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:48:45,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:48:45,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:48:45,755 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:48:45,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:48:45" (1/1) ... [2018-11-10 07:48:45,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3871e03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:45, skipping insertion in model container [2018-11-10 07:48:45,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:48:45" (1/1) ... [2018-11-10 07:48:45,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:48:45,778 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:48:45,891 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:48:45,894 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:48:45,913 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:48:45,929 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:48:45,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:45 WrapperNode [2018-11-10 07:48:45,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:48:45,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:48:45,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:48:45,930 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:48:45,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:45" (1/1) ... [2018-11-10 07:48:45,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:45" (1/1) ... [2018-11-10 07:48:45,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:45" (1/1) ... [2018-11-10 07:48:45,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:45" (1/1) ... [2018-11-10 07:48:45,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:45" (1/1) ... [2018-11-10 07:48:45,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:45" (1/1) ... [2018-11-10 07:48:45,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:45" (1/1) ... [2018-11-10 07:48:45,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:48:45,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:48:45,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:48:45,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:48:45,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:48:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:48:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:48:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 07:48:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:48:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 07:48:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 07:48:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 07:48:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2018-11-10 07:48:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:48:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:48:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 07:48:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 07:48:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 07:48:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:48:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:48:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 07:48:46,230 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:48:46,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:48:46 BoogieIcfgContainer [2018-11-10 07:48:46,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:48:46,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:48:46,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:48:46,233 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:48:46,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:48:45" (1/3) ... [2018-11-10 07:48:46,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de576b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:48:46, skipping insertion in model container [2018-11-10 07:48:46,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:45" (2/3) ... [2018-11-10 07:48:46,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de576b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:48:46, skipping insertion in model container [2018-11-10 07:48:46,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:48:46" (3/3) ... [2018-11-10 07:48:46,236 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array_false-unreach-call.i [2018-11-10 07:48:46,242 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:48:46,246 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:48:46,257 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:48:46,274 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:48:46,275 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:48:46,275 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:48:46,275 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:48:46,275 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:48:46,275 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:48:46,275 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:48:46,275 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:48:46,276 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:48:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-11-10 07:48:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 07:48:46,290 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:48:46,291 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:48:46,293 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:48:46,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:48:46,297 INFO L82 PathProgramCache]: Analyzing trace with hash -2027007793, now seen corresponding path program 1 times [2018-11-10 07:48:46,300 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:48:46,300 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:48:46,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:48:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:46,350 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:48:46,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:46,362 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:48:46,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:48:46,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:48:46,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 07:48:46,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 07:48:46,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:48:46,375 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-11-10 07:48:46,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:48:46,393 INFO L93 Difference]: Finished difference Result 93 states and 108 transitions. [2018-11-10 07:48:46,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 07:48:46,394 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-11-10 07:48:46,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:48:46,401 INFO L225 Difference]: With dead ends: 93 [2018-11-10 07:48:46,401 INFO L226 Difference]: Without dead ends: 44 [2018-11-10 07:48:46,404 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:48:46,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-10 07:48:46,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-10 07:48:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-10 07:48:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2018-11-10 07:48:46,429 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 25 [2018-11-10 07:48:46,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:48:46,429 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2018-11-10 07:48:46,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 07:48:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-11-10 07:48:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 07:48:46,430 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:48:46,430 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:48:46,430 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:48:46,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:48:46,431 INFO L82 PathProgramCache]: Analyzing trace with hash -306666961, now seen corresponding path program 1 times [2018-11-10 07:48:46,431 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:48:46,431 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:48:46,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:48:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:46,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:48:46,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:46,515 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:48:46,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:48:46,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:48:46,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:48:46,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:48:46,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:48:46,518 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 4 states. [2018-11-10 07:48:46,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:48:46,655 INFO L93 Difference]: Finished difference Result 106 states and 117 transitions. [2018-11-10 07:48:46,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:48:46,655 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-11-10 07:48:46,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:48:46,658 INFO L225 Difference]: With dead ends: 106 [2018-11-10 07:48:46,658 INFO L226 Difference]: Without dead ends: 69 [2018-11-10 07:48:46,659 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:48:46,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-10 07:48:46,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 50. [2018-11-10 07:48:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-10 07:48:46,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-11-10 07:48:46,669 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 28 [2018-11-10 07:48:46,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:48:46,669 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-11-10 07:48:46,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:48:46,669 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-11-10 07:48:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 07:48:46,670 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:48:46,670 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:48:46,671 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:48:46,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:48:46,671 INFO L82 PathProgramCache]: Analyzing trace with hash 2095721215, now seen corresponding path program 1 times [2018-11-10 07:48:46,671 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 07:48:46,672 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 07:48:46,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:48:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:48:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:48:46,842 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 07:48:46,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:48:46 BoogieIcfgContainer [2018-11-10 07:48:46,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:48:46,875 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:48:46,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:48:46,876 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:48:46,876 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:48:46" (3/4) ... [2018-11-10 07:48:46,878 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 07:48:46,913 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d379f232-7d81-4735-a5ac-bac375c49414/bin-2019/uautomizer/witness.graphml [2018-11-10 07:48:46,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:48:46,914 INFO L168 Benchmark]: Toolchain (without parser) took 1162.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -87.1 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:46,915 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:48:46,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.58 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:46,916 INFO L168 Benchmark]: Boogie Preprocessor took 32.01 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:46,916 INFO L168 Benchmark]: RCFGBuilder took 268.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:46,917 INFO L168 Benchmark]: TraceAbstraction took 644.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:46,917 INFO L168 Benchmark]: Witness Printer took 37.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:46,919 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.58 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.01 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 268.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 644.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. * Witness Printer took 37.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] unsigned int M = __VERIFIER_nondet_uint(); [L15] FCALL int A[M], B[M], C[M]; VAL [A={1073741828:0}, B={-2004318068:0}, C={4:0}, M=1] [L16] unsigned int i; [L18] i=0 VAL [A={1073741828:0}, B={-2004318068:0}, C={4:0}, i=0, M=1] [L18] COND TRUE i