./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0883_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_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/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 2a1461abf41b32fc16e414d157f4868187d3ed0d ................................................................................................................................................................................. 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_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/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 2a1461abf41b32fc16e414d157f4868187d3ed0d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_10 (_ bv0 32) ((_ extract 31 0) v_prenex_60)) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:35:04,617 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:35:04,618 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:35:04,626 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:35:04,626 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:35:04,627 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:35:04,628 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:35:04,629 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:35:04,630 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:35:04,631 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:35:04,632 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:35:04,632 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:35:04,632 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:35:04,633 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:35:04,634 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:35:04,634 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:35:04,635 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:35:04,636 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:35:04,638 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:35:04,639 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:35:04,640 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:35:04,640 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:35:04,642 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:35:04,642 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:35:04,642 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:35:04,643 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:35:04,644 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:35:04,645 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:35:04,645 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:35:04,646 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:35:04,646 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:35:04,647 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:35:04,647 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:35:04,647 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:35:04,648 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:35:04,648 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:35:04,648 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 04:35:04,659 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:35:04,659 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:35:04,660 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:35:04,660 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:35:04,660 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:35:04,660 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:35:04,660 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:35:04,661 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:35:04,661 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:35:04,661 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:35:04,661 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:35:04,661 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:35:04,661 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:35:04,662 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:35:04,662 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:35:04,662 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:35:04,662 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:35:04,662 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:35:04,663 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:35:04,663 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:35:04,663 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:35:04,663 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:35:04,663 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:35:04,663 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:35:04,663 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:35:04,664 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:35:04,664 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:35:04,664 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:35:04,664 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:35:04,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:35:04,664 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:35:04,664 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:35:04,665 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:35:04,665 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:35:04,665 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:35:04,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:35:04,665 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:35:04,665 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_6b5479cf-77ab-4076-be24-6a1805536f0e/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 -> 2a1461abf41b32fc16e414d157f4868187d3ed0d [2018-11-23 04:35:04,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:35:04,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:35:04,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:35:04,699 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:35:04,700 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:35:04,700 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c [2018-11-23 04:35:04,734 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/data/6509baeb9/52985c9d9a12462d9876c7cf5700ecf6/FLAGac78506a6 [2018-11-23 04:35:05,075 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:35:05,076 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c [2018-11-23 04:35:05,081 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/data/6509baeb9/52985c9d9a12462d9876c7cf5700ecf6/FLAGac78506a6 [2018-11-23 04:35:05,090 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/data/6509baeb9/52985c9d9a12462d9876c7cf5700ecf6 [2018-11-23 04:35:05,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:35:05,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:35:05,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:35:05,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:35:05,096 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:35:05,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:35:05" (1/1) ... [2018-11-23 04:35:05,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2780dd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:05, skipping insertion in model container [2018-11-23 04:35:05,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:35:05" (1/1) ... [2018-11-23 04:35:05,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:35:05,134 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:35:05,295 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 04:35:05,298 INFO L168 Benchmark]: Toolchain (without parser) took 205.82 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 943.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:35:05,299 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:35:05,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.13 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 943.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:35:05,301 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.13 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 943.9 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 04:35:06,532 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:35:06,534 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:35:06,542 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:35:06,543 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:35:06,543 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:35:06,544 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:35:06,545 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:35:06,547 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:35:06,547 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:35:06,548 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:35:06,548 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:35:06,549 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:35:06,549 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:35:06,550 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:35:06,551 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:35:06,551 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:35:06,553 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:35:06,554 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:35:06,555 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:35:06,556 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:35:06,557 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:35:06,558 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:35:06,558 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:35:06,558 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:35:06,559 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:35:06,560 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:35:06,560 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:35:06,561 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:35:06,562 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:35:06,562 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:35:06,562 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:35:06,562 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:35:06,562 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:35:06,563 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:35:06,564 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:35:06,564 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 04:35:06,574 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:35:06,574 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:35:06,575 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:35:06,575 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:35:06,575 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:35:06,575 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:35:06,576 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:35:06,576 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:35:06,576 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:35:06,576 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:35:06,577 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:35:06,577 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:35:06,577 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:35:06,577 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:35:06,577 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:35:06,577 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:35:06,577 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:35:06,578 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 04:35:06,578 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 04:35:06,578 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:35:06,578 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:35:06,578 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:35:06,578 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:35:06,578 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:35:06,578 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:35:06,579 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:35:06,579 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:35:06,579 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:35:06,579 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:35:06,579 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:35:06,579 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:35:06,580 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 04:35:06,580 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:35:06,580 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 04:35:06,580 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 04:35:06,580 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_6b5479cf-77ab-4076-be24-6a1805536f0e/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 -> 2a1461abf41b32fc16e414d157f4868187d3ed0d [2018-11-23 04:35:06,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:35:06,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:35:06,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:35:06,622 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:35:06,622 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:35:06,623 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c [2018-11-23 04:35:06,667 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/data/63fd3b4bc/5756f90900e04fbe9fe055e45fbad983/FLAGca5683c53 [2018-11-23 04:35:07,018 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:35:07,018 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c [2018-11-23 04:35:07,023 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/data/63fd3b4bc/5756f90900e04fbe9fe055e45fbad983/FLAGca5683c53 [2018-11-23 04:35:07,424 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/data/63fd3b4bc/5756f90900e04fbe9fe055e45fbad983 [2018-11-23 04:35:07,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:35:07,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:35:07,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:35:07,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:35:07,430 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:35:07,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:35:07" (1/1) ... [2018-11-23 04:35:07,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8450e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07, skipping insertion in model container [2018-11-23 04:35:07,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:35:07" (1/1) ... [2018-11-23 04:35:07,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:35:07,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:35:07,689 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:35:07,695 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:35:07,777 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:35:07,845 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:35:07,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07 WrapperNode [2018-11-23 04:35:07,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:35:07,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:35:07,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:35:07,846 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:35:07,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07" (1/1) ... [2018-11-23 04:35:07,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07" (1/1) ... [2018-11-23 04:35:07,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:35:07,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:35:07,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:35:07,874 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:35:07,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07" (1/1) ... [2018-11-23 04:35:07,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07" (1/1) ... [2018-11-23 04:35:07,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07" (1/1) ... [2018-11-23 04:35:07,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07" (1/1) ... [2018-11-23 04:35:07,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07" (1/1) ... [2018-11-23 04:35:07,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07" (1/1) ... [2018-11-23 04:35:07,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07" (1/1) ... [2018-11-23 04:35:07,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:35:07,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:35:07,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:35:07,945 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:35:07,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/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 04:35:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-23 04:35:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-11-23 04:35:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-11-23 04:35:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-11-23 04:35:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-11-23 04:35:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-23 04:35:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-23 04:35:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-23 04:35:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-11-23 04:35:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-11-23 04:35:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:35:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:35:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-23 04:35:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-23 04:35:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-23 04:35:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-23 04:35:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:35:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:35:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-11-23 04:35:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:35:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 04:35:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:35:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:35:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 04:35:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 04:35:08,258 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:08,880 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:09,144 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:10,504 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:10,520 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:10,533 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:10,554 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:10,578 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:12,714 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:20,255 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:20,367 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:23,016 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:23,039 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:23,413 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:23,436 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:35,502 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:36,677 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:36,709 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:39,055 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:39,078 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:41,551 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:43,688 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:45,846 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:46,479 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:46,511 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:46,530 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:46,874 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:48,512 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 04:35:48,537 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:35:48,538 INFO L280 CfgBuilder]: Removed 60 assue(true) statements. [2018-11-23 04:35:48,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:35:48 BoogieIcfgContainer [2018-11-23 04:35:48,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:35:48,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:35:48,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:35:48,541 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:35:48,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:35:07" (1/3) ... [2018-11-23 04:35:48,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d20fba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:35:48, skipping insertion in model container [2018-11-23 04:35:48,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:35:07" (2/3) ... [2018-11-23 04:35:48,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d20fba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:35:48, skipping insertion in model container [2018-11-23 04:35:48,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:35:48" (3/3) ... [2018-11-23 04:35:48,544 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0883_true-unreach-call.c [2018-11-23 04:35:48,551 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:35:48,556 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:35:48,565 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:35:48,587 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 04:35:48,587 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:35:48,588 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:35:48,588 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:35:48,588 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:35:48,588 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:35:48,588 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:35:48,588 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:35:48,588 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:35:48,604 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states. [2018-11-23 04:35:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 04:35:48,608 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:35:48,609 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] [2018-11-23 04:35:48,610 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:35:48,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:35:48,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1639710760, now seen corresponding path program 1 times [2018-11-23 04:35:48,617 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:35:48,617 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/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 04:35:48,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:35:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:35:48,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:35:48,826 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 04:35:48,826 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 04:35:48,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:35:48,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 04:35:48,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 04:35:48,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 04:35:48,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 04:35:48,854 INFO L87 Difference]: Start difference. First operand 231 states. Second operand 2 states. [2018-11-23 04:35:48,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:35:48,892 INFO L93 Difference]: Finished difference Result 453 states and 743 transitions. [2018-11-23 04:35:48,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 04:35:48,893 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-23 04:35:48,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:35:48,902 INFO L225 Difference]: With dead ends: 453 [2018-11-23 04:35:48,903 INFO L226 Difference]: Without dead ends: 226 [2018-11-23 04:35:48,906 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 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 04:35:48,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-23 04:35:48,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2018-11-23 04:35:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-23 04:35:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 306 transitions. [2018-11-23 04:35:48,947 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 306 transitions. Word has length 24 [2018-11-23 04:35:48,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:35:48,948 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 306 transitions. [2018-11-23 04:35:48,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 04:35:48,948 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 306 transitions. [2018-11-23 04:35:48,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 04:35:48,949 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:35:48,949 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] [2018-11-23 04:35:48,949 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:35:48,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:35:48,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1214762493, now seen corresponding path program 1 times [2018-11-23 04:35:48,951 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:35:48,951 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/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 04:35:48,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:35:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:35:49,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:35:49,386 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:35:49,394 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:35:49,395 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:35:49,396 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:35:49,401 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 73 treesize of output 98 [2018-11-23 04:35:49,523 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-11-23 04:35:49,549 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:35:49,557 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 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 62 treesize of output 68 [2018-11-23 04:35:49,650 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 26 treesize of output 20 [2018-11-23 04:35:49,651 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 04:35:49,671 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 04:35:49,694 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 25 treesize of output 19 [2018-11-23 04:35:49,702 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 19 treesize of output 5 [2018-11-23 04:35:49,702 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 04:35:49,706 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 04:35:49,724 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 24 treesize of output 18 [2018-11-23 04:35:49,730 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 18 treesize of output 4 [2018-11-23 04:35:49,730 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 04:35:49,733 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 04:35:49,742 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 04:35:49,753 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 04:35:49,754 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:82, output treesize:23 [2018-11-23 04:35:49,907 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 04:35:49,908 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 04:35:49,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:35:49,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 04:35:49,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:35:49,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:35:49,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:35:49,920 INFO L87 Difference]: Start difference. First operand 226 states and 306 transitions. Second operand 7 states. [2018-11-23 04:36:02,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:36:02,584 INFO L93 Difference]: Finished difference Result 241 states and 320 transitions. [2018-11-23 04:36:02,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:36:02,702 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-11-23 04:36:02,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:36:02,706 INFO L225 Difference]: With dead ends: 241 [2018-11-23 04:36:02,706 INFO L226 Difference]: Without dead ends: 228 [2018-11-23 04:36:02,707 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 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 04:36:02,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-23 04:36:02,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 226. [2018-11-23 04:36:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-23 04:36:02,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 305 transitions. [2018-11-23 04:36:02,725 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 305 transitions. Word has length 27 [2018-11-23 04:36:02,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:36:02,725 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 305 transitions. [2018-11-23 04:36:02,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:36:02,725 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 305 transitions. [2018-11-23 04:36:02,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 04:36:02,726 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:36:02,726 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] [2018-11-23 04:36:02,726 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:36:02,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:02,726 INFO L82 PathProgramCache]: Analyzing trace with hash 124299431, now seen corresponding path program 1 times [2018-11-23 04:36:02,726 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:36:02,727 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/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 04:36:02,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:02,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:36:03,019 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 04:36:03,019 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 04:36:03,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:36:03,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 04:36:03,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:36:03,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:36:03,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:36:03,035 INFO L87 Difference]: Start difference. First operand 226 states and 305 transitions. Second operand 7 states. [2018-11-23 04:36:16,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:36:16,998 INFO L93 Difference]: Finished difference Result 279 states and 368 transitions. [2018-11-23 04:36:16,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:36:16,999 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-11-23 04:36:16,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:36:17,000 INFO L225 Difference]: With dead ends: 279 [2018-11-23 04:36:17,000 INFO L226 Difference]: Without dead ends: 266 [2018-11-23 04:36:17,001 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 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 04:36:17,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-11-23 04:36:17,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2018-11-23 04:36:17,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-23 04:36:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 303 transitions. [2018-11-23 04:36:17,015 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 303 transitions. Word has length 29 [2018-11-23 04:36:17,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:36:17,016 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 303 transitions. [2018-11-23 04:36:17,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:36:17,016 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 303 transitions. [2018-11-23 04:36:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 04:36:17,017 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:36:17,017 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] [2018-11-23 04:36:17,017 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:36:17,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:17,017 INFO L82 PathProgramCache]: Analyzing trace with hash -169103576, now seen corresponding path program 1 times [2018-11-23 04:36:17,018 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:36:17,018 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/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 04:36:17,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:17,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:36:17,552 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:36:17,553 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:36:17,553 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 04:36:17,612 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 24 [2018-11-23 04:36:17,612 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 04:36:17,642 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 24 treesize of output 18 [2018-11-23 04:36:17,651 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 18 treesize of output 4 [2018-11-23 04:36:17,652 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 04:36:17,660 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 04:36:17,665 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 04:36:17,686 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 04:36:17,686 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:21 [2018-11-23 04:36:17,733 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:36:17,734 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:36:17,735 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 04:36:17,784 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:36:17,792 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2018-11-23 04:36:17,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 04:36:17,817 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 35 treesize of output 27 [2018-11-23 04:36:17,833 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 04:36:17,833 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 04:36:17,843 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 04:36:17,850 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 04:36:17,874 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 04:36:17,874 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:74, output treesize:35 [2018-11-23 04:36:18,133 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 04:36:18,133 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 04:36:18,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:36:18,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 04:36:18,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:36:18,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:36:18,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:36:18,150 INFO L87 Difference]: Start difference. First operand 226 states and 303 transitions. Second operand 9 states. [2018-11-23 04:36:18,899 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-11-23 04:36:45,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:36:45,240 INFO L93 Difference]: Finished difference Result 248 states and 325 transitions. [2018-11-23 04:36:45,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 04:36:45,362 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-11-23 04:36:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:36:45,363 INFO L225 Difference]: With dead ends: 248 [2018-11-23 04:36:45,363 INFO L226 Difference]: Without dead ends: 234 [2018-11-23 04:36:45,363 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-11-23 04:36:45,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-11-23 04:36:45,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 225. [2018-11-23 04:36:45,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-23 04:36:45,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 301 transitions. [2018-11-23 04:36:45,380 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 301 transitions. Word has length 29 [2018-11-23 04:36:45,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:36:45,380 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 301 transitions. [2018-11-23 04:36:45,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:36:45,380 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 301 transitions. [2018-11-23 04:36:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 04:36:45,381 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:36:45,381 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] [2018-11-23 04:36:45,381 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:36:45,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:36:45,381 INFO L82 PathProgramCache]: Analyzing trace with hash 576845704, now seen corresponding path program 1 times [2018-11-23 04:36:45,382 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:36:45,382 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/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 04:36:45,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:36:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:36:46,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:36:49,914 WARN L180 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-11-23 04:36:52,297 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:36:52,298 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:36:52,299 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 04:36:52,353 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 24 [2018-11-23 04:36:52,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 04:36:52,377 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 24 treesize of output 18 [2018-11-23 04:36:52,386 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 18 treesize of output 4 [2018-11-23 04:36:52,386 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 04:36:52,391 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 04:36:52,397 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 04:36:52,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 04:36:52,409 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-11-23 04:36:56,878 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 04:36:56,878 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 04:36:56,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:36:56,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 04:36:56,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 04:36:56,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 04:36:56,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-23 04:36:56,891 INFO L87 Difference]: Start difference. First operand 225 states and 301 transitions. Second operand 11 states. [2018-11-23 04:37:02,301 WARN L180 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 8 [2018-11-23 04:37:42,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:42,115 INFO L93 Difference]: Finished difference Result 232 states and 308 transitions. [2018-11-23 04:37:42,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 04:37:42,148 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-11-23 04:37:42,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:42,149 INFO L225 Difference]: With dead ends: 232 [2018-11-23 04:37:42,149 INFO L226 Difference]: Without dead ends: 225 [2018-11-23 04:37:42,150 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-11-23 04:37:42,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-11-23 04:37:42,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-11-23 04:37:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-23 04:37:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 300 transitions. [2018-11-23 04:37:42,161 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 300 transitions. Word has length 33 [2018-11-23 04:37:42,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:42,162 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 300 transitions. [2018-11-23 04:37:42,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 04:37:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 300 transitions. [2018-11-23 04:37:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 04:37:42,162 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:42,163 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] [2018-11-23 04:37:42,163 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:42,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:42,163 INFO L82 PathProgramCache]: Analyzing trace with hash 276686568, now seen corresponding path program 1 times [2018-11-23 04:37:42,163 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 04:37:42,163 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b5479cf-77ab-4076-be24-6a1805536f0e/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-23 04:37:42,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:43,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:37:43,463 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:37:43,464 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:37:43,464 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:37:43,465 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 04:37:43,466 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 04:37:43,749 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2018-11-23 04:37:43,749 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_10 (_ bv0 32) ((_ extract 31 0) v_prenex_60)) 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:208) 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 04:37:43,752 INFO L168 Benchmark]: Toolchain (without parser) took 156325.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.9 MB). Free memory was 943.8 MB in the beginning and 933.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 224.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:43,753 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. [2018-11-23 04:37:43,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 943.8 MB in the beginning and 1.2 GB in the end (delta: -207.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:43,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:43,754 INFO L168 Benchmark]: Boogie Preprocessor took 71.05 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:43,754 INFO L168 Benchmark]: RCFGBuilder took 40593.11 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: 115.7 MB). Peak memory consumption was 115.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:43,755 INFO L168 Benchmark]: TraceAbstraction took 115212.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.0 GB in the beginning and 933.7 MB in the end (delta: 89.1 MB). Peak memory consumption was 144.2 MB. Max. memory is 11.5 GB. [2018-11-23 04:37:43,757 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 417.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 943.8 MB in the beginning and 1.2 GB in the end (delta: -207.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.05 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 40593.11 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: 115.7 MB). Peak memory consumption was 115.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 115212.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.0 GB in the beginning and 933.7 MB in the end (delta: 89.1 MB). Peak memory consumption was 144.2 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_10 (_ bv0 32) ((_ extract 31 0) v_prenex_60)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_10 (_ bv0 32) ((_ extract 31 0) v_prenex_60)): 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...