./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/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 32bit --witnessprinter.graph.data.programhash 961c2aeb6a53bc095902951ff31f208c55ff3f20 ........................................................................................................................................................................ 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_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/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 32bit --witnessprinter.graph.data.programhash 961c2aeb6a53bc095902951ff31f208c55ff3f20 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_7 (_ bv0 32) ((_ extract 31 0) v_prenex_56)) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:36:58,505 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:36:58,506 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:36:58,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:36:58,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:36:58,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:36:58,517 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:36:58,518 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:36:58,519 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:36:58,520 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:36:58,521 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:36:58,521 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:36:58,522 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:36:58,522 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:36:58,523 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:36:58,524 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:36:58,524 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:36:58,526 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:36:58,527 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:36:58,528 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:36:58,529 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:36:58,530 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:36:58,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:36:58,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:36:58,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:36:58,532 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:36:58,533 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:36:58,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:36:58,534 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:36:58,535 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:36:58,535 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:36:58,536 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:36:58,536 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:36:58,536 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:36:58,537 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:36:58,537 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:36:58,537 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 05:36:58,547 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:36:58,547 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:36:58,548 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:36:58,548 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:36:58,548 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:36:58,548 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:36:58,548 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:36:58,549 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 05:36:58,549 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:36:58,549 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:36:58,549 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 05:36:58,549 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 05:36:58,549 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:36:58,550 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:36:58,550 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:36:58,550 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:36:58,550 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:36:58,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:36:58,551 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:36:58,551 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:36:58,551 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:36:58,551 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:36:58,551 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:36:58,551 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:36:58,551 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:36:58,552 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:36:58,552 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:36:58,552 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:36:58,552 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:36:58,552 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:36:58,552 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:36:58,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:36:58,553 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:36:58,553 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 05:36:58,553 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:36:58,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:36:58,553 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 05:36:58,553 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_70baa3e5-f1f8-433e-a2de-94319516dce3/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 ! 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961c2aeb6a53bc095902951ff31f208c55ff3f20 [2018-11-23 05:36:58,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:36:58,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:36:58,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:36:58,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:36:58,589 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:36:58,590 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c [2018-11-23 05:36:58,632 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/data/529c5dda0/3db6660ba15a44888ad7643e400c4cc5/FLAG430dad05a [2018-11-23 05:36:58,960 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:36:58,960 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c [2018-11-23 05:36:58,965 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/data/529c5dda0/3db6660ba15a44888ad7643e400c4cc5/FLAG430dad05a [2018-11-23 05:36:58,973 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/data/529c5dda0/3db6660ba15a44888ad7643e400c4cc5 [2018-11-23 05:36:58,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:36:58,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:36:58,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:36:58,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:36:58,978 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:36:58,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:36:58" (1/1) ... [2018-11-23 05:36:58,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e46a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:58, skipping insertion in model container [2018-11-23 05:36:58,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:36:58" (1/1) ... [2018-11-23 05:36:58,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:36:59,012 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:36:59,169 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:825) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1318) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$39(StandardFunctionHandler.java:319) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1887) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1503) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) 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.visit(CHandler.java:1480) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1332) 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:3436) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:538) 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:190) 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) [2018-11-23 05:36:59,174 INFO L168 Benchmark]: Toolchain (without parser) took 198.73 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 942.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:59,176 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-23 05:36:59,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.26 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 942.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:59,177 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 197.26 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 942.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:825) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 05:37:00,386 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:37:00,387 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:37:00,393 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:37:00,393 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:37:00,394 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:37:00,395 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:37:00,396 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:37:00,397 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:37:00,397 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:37:00,398 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:37:00,398 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:37:00,398 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:37:00,399 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:37:00,399 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:37:00,400 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:37:00,400 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:37:00,402 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:37:00,403 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:37:00,404 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:37:00,405 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:37:00,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:37:00,407 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:37:00,407 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:37:00,407 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:37:00,408 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:37:00,409 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:37:00,409 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:37:00,410 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:37:00,411 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:37:00,411 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:37:00,411 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:37:00,411 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:37:00,412 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:37:00,412 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:37:00,412 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:37:00,413 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 05:37:00,422 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:37:00,422 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:37:00,423 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:37:00,423 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:37:00,423 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:37:00,423 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:37:00,423 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:37:00,423 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:37:00,424 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:37:00,424 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:37:00,424 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:37:00,424 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:37:00,424 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:37:00,425 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:37:00,425 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:37:00,425 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:37:00,425 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:37:00,425 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 05:37:00,425 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 05:37:00,425 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:37:00,425 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:37:00,426 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:37:00,426 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:37:00,426 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:37:00,426 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:37:00,426 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:37:00,426 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:37:00,426 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:37:00,427 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:37:00,427 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:37:00,427 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:37:00,427 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 05:37:00,427 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:37:00,427 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 05:37:00,427 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 05:37:00,427 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_70baa3e5-f1f8-433e-a2de-94319516dce3/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 ! 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961c2aeb6a53bc095902951ff31f208c55ff3f20 [2018-11-23 05:37:00,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:37:00,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:37:00,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:37:00,470 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:37:00,471 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:37:00,471 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c [2018-11-23 05:37:00,510 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/data/61717c26c/f3819354d72a48a3826cfc0afc03e12d/FLAGe8886df82 [2018-11-23 05:37:00,933 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:37:00,933 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c [2018-11-23 05:37:00,940 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/data/61717c26c/f3819354d72a48a3826cfc0afc03e12d/FLAGe8886df82 [2018-11-23 05:37:00,950 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/data/61717c26c/f3819354d72a48a3826cfc0afc03e12d [2018-11-23 05:37:00,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:37:00,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:37:00,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:37:00,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:37:00,956 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:37:00,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:37:00" (1/1) ... [2018-11-23 05:37:00,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772a8eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:00, skipping insertion in model container [2018-11-23 05:37:00,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:37:00" (1/1) ... [2018-11-23 05:37:00,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:37:00,993 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:37:01,212 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:37:01,219 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:37:01,289 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:37:01,356 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:37:01,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01 WrapperNode [2018-11-23 05:37:01,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:37:01,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:37:01,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:37:01,357 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:37:01,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2018-11-23 05:37:01,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2018-11-23 05:37:01,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:37:01,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:37:01,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:37:01,384 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:37:01,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2018-11-23 05:37:01,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2018-11-23 05:37:01,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2018-11-23 05:37:01,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2018-11-23 05:37:01,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2018-11-23 05:37:01,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2018-11-23 05:37:01,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2018-11-23 05:37:01,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:37:01,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:37:01,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:37:01,455 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:37:01,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/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 [2018-11-23 05:37:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-23 05:37:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-11-23 05:37:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-11-23 05:37:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-11-23 05:37:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-11-23 05:37:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-23 05:37:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-23 05:37:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-23 05:37:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-11-23 05:37:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-11-23 05:37:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:37:01,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:37:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-23 05:37:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-23 05:37:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-23 05:37:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-23 05:37:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:37:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:37:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-11-23 05:37:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:37:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 05:37:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:37:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:37:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 05:37:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 05:37:01,765 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:02,442 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:02,687 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:03,990 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:04,005 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:04,017 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:04,040 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:04,066 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:06,198 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:14,694 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:14,824 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:17,489 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:17,514 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:18,003 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:18,021 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:29,290 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:30,958 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:30,981 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:33,320 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:33,346 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:35,805 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:37,944 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:40,117 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:40,875 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:40,917 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:40,930 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:41,131 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:43,596 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 05:37:43,605 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:37:43,605 INFO L280 CfgBuilder]: Removed 60 assue(true) statements. [2018-11-23 05:37:43,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:37:43 BoogieIcfgContainer [2018-11-23 05:37:43,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:37:43,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:37:43,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:37:43,610 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:37:43,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:37:00" (1/3) ... [2018-11-23 05:37:43,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e6c7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:37:43, skipping insertion in model container [2018-11-23 05:37:43,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (2/3) ... [2018-11-23 05:37:43,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e6c7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:37:43, skipping insertion in model container [2018-11-23 05:37:43,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:37:43" (3/3) ... [2018-11-23 05:37:43,614 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0874_true-unreach-call.c [2018-11-23 05:37:43,622 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:37:43,629 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:37:43,638 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:37:43,657 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 05:37:43,657 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:37:43,658 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:37:43,658 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:37:43,658 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:37:43,658 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:37:43,658 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:37:43,658 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:37:43,658 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:37:43,674 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states. [2018-11-23 05:37:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 05:37:43,679 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:37:43,680 INFO L402 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, 1, 1, 1] [2018-11-23 05:37:43,681 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:37:43,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:37:43,685 INFO L82 PathProgramCache]: Analyzing trace with hash 145779131, now seen corresponding path program 1 times [2018-11-23 05:37:43,688 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:37:43,688 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 05:37:43,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:37:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:37:43,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:37:43,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:37:43,890 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:37:43,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:37:43,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 05:37:43,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 05:37:43,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 05:37:43,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:37:43,912 INFO L87 Difference]: Start difference. First operand 232 states. Second operand 2 states. [2018-11-23 05:37:43,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:37:43,943 INFO L93 Difference]: Finished difference Result 457 states and 751 transitions. [2018-11-23 05:37:43,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 05:37:43,944 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-11-23 05:37:43,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:37:43,952 INFO L225 Difference]: With dead ends: 457 [2018-11-23 05:37:43,952 INFO L226 Difference]: Without dead ends: 227 [2018-11-23 05:37:43,955 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:37:43,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-23 05:37:43,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-11-23 05:37:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-23 05:37:43,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 308 transitions. [2018-11-23 05:37:43,994 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 308 transitions. Word has length 31 [2018-11-23 05:37:43,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:37:43,995 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 308 transitions. [2018-11-23 05:37:43,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 05:37:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 308 transitions. [2018-11-23 05:37:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 05:37:43,997 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:37:43,997 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:37:43,997 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:37:43,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:37:43,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1493562557, now seen corresponding path program 1 times [2018-11-23 05:37:43,998 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:37:43,998 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-23 05:37:44,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:37:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:37:44,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:37:44,489 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 05:37:44,491 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 05:37:44,495 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-23 05:37:44,544 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-23 05:37:44,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 05:37:44,557 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-23 05:37:44,562 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-11-23 05:37:44,562 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 05:37:44,563 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 05:37:44,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 05:37:44,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 05:37:44,572 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-23 05:37:44,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:37:44,665 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:37:44,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:37:44,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 05:37:44,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:37:44,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:37:44,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:37:44,686 INFO L87 Difference]: Start difference. First operand 227 states and 308 transitions. Second operand 7 states. [2018-11-23 05:37:57,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:37:57,009 INFO L93 Difference]: Finished difference Result 243 states and 323 transitions. [2018-11-23 05:37:57,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 05:37:57,128 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2018-11-23 05:37:57,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:37:57,132 INFO L225 Difference]: With dead ends: 243 [2018-11-23 05:37:57,132 INFO L226 Difference]: Without dead ends: 230 [2018-11-23 05:37:57,133 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:37:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-23 05:37:57,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2018-11-23 05:37:57,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-23 05:37:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 307 transitions. [2018-11-23 05:37:57,149 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 307 transitions. Word has length 36 [2018-11-23 05:37:57,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:37:57,150 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 307 transitions. [2018-11-23 05:37:57,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:37:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 307 transitions. [2018-11-23 05:37:57,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 05:37:57,151 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:37:57,151 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:37:57,152 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:37:57,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:37:57,152 INFO L82 PathProgramCache]: Analyzing trace with hash -2090171417, now seen corresponding path program 1 times [2018-11-23 05:37:57,152 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:37:57,152 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-23 05:37:57,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:37:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:37:57,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:37:57,420 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-23 05:37:57,424 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 55 [2018-11-23 05:37:57,438 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-11-23 05:37:57,438 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 05:37:57,444 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 05:37:57,449 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 05:37:57,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 05:37:57,461 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:76, output treesize:37 [2018-11-23 05:37:57,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:37:57,927 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:37:57,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:37:57,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-23 05:37:57,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 05:37:57,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 05:37:57,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-23 05:37:57,939 INFO L87 Difference]: Start difference. First operand 227 states and 307 transitions. Second operand 12 states. [2018-11-23 05:37:58,273 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-23 05:38:14,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:38:14,331 INFO L93 Difference]: Finished difference Result 280 states and 370 transitions. [2018-11-23 05:38:14,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 05:38:14,333 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-11-23 05:38:14,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:38:14,335 INFO L225 Difference]: With dead ends: 280 [2018-11-23 05:38:14,335 INFO L226 Difference]: Without dead ends: 267 [2018-11-23 05:38:14,335 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2018-11-23 05:38:14,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-11-23 05:38:14,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 227. [2018-11-23 05:38:14,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-23 05:38:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 305 transitions. [2018-11-23 05:38:14,352 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 305 transitions. Word has length 38 [2018-11-23 05:38:14,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:38:14,353 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 305 transitions. [2018-11-23 05:38:14,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 05:38:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 305 transitions. [2018-11-23 05:38:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 05:38:14,354 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:38:14,354 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:38:14,354 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:38:14,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:38:14,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1911392872, now seen corresponding path program 1 times [2018-11-23 05:38:14,354 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:38:14,355 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-23 05:38:14,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:38:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:38:14,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:38:14,859 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-23 05:38:14,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 55 [2018-11-23 05:38:14,876 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-11-23 05:38:14,876 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 05:38:14,882 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 05:38:14,887 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 05:38:14,897 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 05:38:14,897 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:76, output treesize:37 [2018-11-23 05:38:15,249 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 05:38:15,250 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 05:38:15,250 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-11-23 05:38:15,298 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 43 [2018-11-23 05:38:15,324 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 9 [2018-11-23 05:38:15,324 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 05:38:15,339 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 05:38:15,355 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-23 05:38:15,364 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-11-23 05:38:15,364 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 05:38:15,366 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 05:38:15,385 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 05:38:15,406 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 05:38:15,407 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:70, output treesize:31 [2018-11-23 05:38:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:38:15,853 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 05:38:15,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:38:15,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-23 05:38:15,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 05:38:15,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 05:38:15,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-11-23 05:38:15,871 INFO L87 Difference]: Start difference. First operand 227 states and 305 transitions. Second operand 14 states. [2018-11-23 05:38:17,713 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-11-23 05:39:15,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:39:15,118 INFO L93 Difference]: Finished difference Result 283 states and 374 transitions. [2018-11-23 05:39:15,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 05:39:15,119 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2018-11-23 05:39:15,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:39:15,119 INFO L225 Difference]: With dead ends: 283 [2018-11-23 05:39:15,119 INFO L226 Difference]: Without dead ends: 269 [2018-11-23 05:39:15,120 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2018-11-23 05:39:15,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-11-23 05:39:15,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 226. [2018-11-23 05:39:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-23 05:39:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 303 transitions. [2018-11-23 05:39:15,134 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 303 transitions. Word has length 38 [2018-11-23 05:39:15,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:39:15,134 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 303 transitions. [2018-11-23 05:39:15,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 05:39:15,134 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 303 transitions. [2018-11-23 05:39:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 05:39:15,135 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:39:15,135 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:39:15,135 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:39:15,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:39:15,136 INFO L82 PathProgramCache]: Analyzing trace with hash -606447928, now seen corresponding path program 1 times [2018-11-23 05:39:15,137 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 05:39:15,137 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70baa3e5-f1f8-433e-a2de-94319516dce3/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-23 05:39:15,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:39:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:39:15,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:39:15,922 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 05:39:15,923 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 05:39:15,923 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 05:39:15,924 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 05:39:15,925 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2018-11-23 05:39:16,200 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2018-11-23 05:39:16,200 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_7 (_ bv0 32) ((_ extract 31 0) v_prenex_56)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:210) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:142) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) [2018-11-23 05:39:16,203 INFO L168 Benchmark]: Toolchain (without parser) took 135250.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 944.4 MB in the beginning and 892.8 MB in the end (delta: 51.5 MB). Peak memory consumption was 255.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:39:16,203 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-23 05:39:16,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:39:16,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:39:16,204 INFO L168 Benchmark]: Boogie Preprocessor took 70.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 05:39:16,205 INFO L168 Benchmark]: RCFGBuilder took 42150.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.4 MB in the end (delta: 116.4 MB). Peak memory consumption was 116.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:39:16,205 INFO L168 Benchmark]: TraceAbstraction took 92595.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 997.4 MB in the beginning and 892.8 MB in the end (delta: 104.6 MB). Peak memory consumption was 172.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:39:16,208 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 403.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 42150.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.4 MB in the end (delta: 116.4 MB). Peak memory consumption was 116.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 92595.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 997.4 MB in the beginning and 892.8 MB in the end (delta: 104.6 MB). Peak memory consumption was 172.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_7 (_ bv0 32) ((_ extract 31 0) v_prenex_56)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_7 (_ bv0 32) ((_ extract 31 0) v_prenex_56)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...