./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 961c2aeb6a53bc095902951ff31f208c55ff3f20 ..................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 961c2aeb6a53bc095902951ff31f208c55ff3f20 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_7 (_ bv0 32) ((_ extract 31 0) v_prenex_56)) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:07:46,376 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:07:46,377 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:07:46,383 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:07:46,384 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:07:46,384 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:07:46,385 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:07:46,386 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:07:46,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:07:46,388 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:07:46,389 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:07:46,389 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:07:46,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:07:46,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:07:46,390 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:07:46,391 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:07:46,391 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:07:46,392 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:07:46,394 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:07:46,394 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:07:46,395 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:07:46,396 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:07:46,397 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:07:46,397 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:07:46,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:07:46,397 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:07:46,398 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:07:46,398 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:07:46,399 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:07:46,400 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:07:46,400 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:07:46,400 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:07:46,400 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:07:46,400 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:07:46,401 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:07:46,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:07:46,402 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:07:46,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:07:46,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:07:46,412 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:07:46,412 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:07:46,413 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:07:46,413 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:07:46,413 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:07:46,413 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:07:46,413 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:07:46,413 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:07:46,413 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:07:46,414 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:07:46,414 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:07:46,414 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:07:46,414 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:07:46,414 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:07:46,414 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:07:46,414 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:07:46,414 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:07:46,414 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:07:46,415 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:07:46,415 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:07:46,415 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:07:46,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:07:46,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:07:46,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:07:46,415 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:07:46,415 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:07:46,416 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:07:46,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:07:46,416 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_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961c2aeb6a53bc095902951ff31f208c55ff3f20 [2018-11-23 12:07:46,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:07:46,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:07:46,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:07:46,453 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:07:46,453 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:07:46,453 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c [2018-11-23 12:07:46,499 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/data/ab014347d/8bb4de9139e042a381f0b22df83ce245/FLAG73bddde2a [2018-11-23 12:07:46,936 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:07:46,936 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c [2018-11-23 12:07:46,943 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/data/ab014347d/8bb4de9139e042a381f0b22df83ce245/FLAG73bddde2a [2018-11-23 12:07:46,956 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/data/ab014347d/8bb4de9139e042a381f0b22df83ce245 [2018-11-23 12:07:46,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:07:46,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:07:46,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:07:46,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:07:46,964 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:07:46,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:07:46" (1/1) ... [2018-11-23 12:07:46,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7c0064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:46, skipping insertion in model container [2018-11-23 12:07:46,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:07:46" (1/1) ... [2018-11-23 12:07:46,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:07:47,009 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:07:47,152 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 12:07:47,155 INFO L168 Benchmark]: Toolchain (without parser) took 195.77 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 944.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:07:47,156 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:07:47,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.70 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 944.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:07:47,158 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.70 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 944.0 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 12:07:48,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:07:48,349 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:07:48,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:07:48,359 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:07:48,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:07:48,360 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:07:48,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:07:48,363 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:07:48,364 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:07:48,364 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:07:48,365 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:07:48,365 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:07:48,366 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:07:48,367 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:07:48,368 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:07:48,368 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:07:48,370 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:07:48,371 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:07:48,372 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:07:48,373 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:07:48,374 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:07:48,376 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:07:48,376 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:07:48,376 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:07:48,377 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:07:48,378 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:07:48,379 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:07:48,380 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:07:48,381 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:07:48,381 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:07:48,381 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:07:48,381 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:07:48,382 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:07:48,382 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:07:48,383 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:07:48,383 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 12:07:48,394 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:07:48,394 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:07:48,395 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:07:48,395 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:07:48,395 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:07:48,396 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:07:48,396 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:07:48,396 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:07:48,396 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:07:48,396 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:07:48,396 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:07:48,397 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:07:48,397 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:07:48,397 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:07:48,397 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 12:07:48,397 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 12:07:48,397 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:07:48,397 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:07:48,397 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:07:48,398 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:07:48,398 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:07:48,398 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:07:48,398 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:07:48,398 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:07:48,398 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:07:48,398 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:07:48,399 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:07:48,399 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:07:48,399 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 12:07:48,399 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:07:48,399 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 12:07:48,399 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 12:07:48,399 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_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961c2aeb6a53bc095902951ff31f208c55ff3f20 [2018-11-23 12:07:48,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:07:48,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:07:48,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:07:48,446 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:07:48,446 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:07:48,447 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c [2018-11-23 12:07:48,488 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/data/febed66b7/43db543f21194961ac4a281aa7968913/FLAG465f57401 [2018-11-23 12:07:48,922 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:07:48,923 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/sv-benchmarks/c/float-newlib/double_req_bl_0874_true-unreach-call.c [2018-11-23 12:07:48,930 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/data/febed66b7/43db543f21194961ac4a281aa7968913/FLAG465f57401 [2018-11-23 12:07:48,939 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/data/febed66b7/43db543f21194961ac4a281aa7968913 [2018-11-23 12:07:48,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:07:48,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:07:48,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:07:48,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:07:48,947 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:07:48,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:07:48" (1/1) ... [2018-11-23 12:07:48,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c000e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:48, skipping insertion in model container [2018-11-23 12:07:48,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:07:48" (1/1) ... [2018-11-23 12:07:48,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:07:48,988 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:07:49,224 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:07:49,230 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:07:49,309 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:07:49,373 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:07:49,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49 WrapperNode [2018-11-23 12:07:49,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:07:49,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:07:49,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:07:49,374 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:07:49,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49" (1/1) ... [2018-11-23 12:07:49,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49" (1/1) ... [2018-11-23 12:07:49,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:07:49,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:07:49,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:07:49,402 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:07:49,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49" (1/1) ... [2018-11-23 12:07:49,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49" (1/1) ... [2018-11-23 12:07:49,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49" (1/1) ... [2018-11-23 12:07:49,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49" (1/1) ... [2018-11-23 12:07:49,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49" (1/1) ... [2018-11-23 12:07:49,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49" (1/1) ... [2018-11-23 12:07:49,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49" (1/1) ... [2018-11-23 12:07:49,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:07:49,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:07:49,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:07:49,471 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:07:49,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:07:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-23 12:07:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-11-23 12:07:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-11-23 12:07:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-11-23 12:07:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-11-23 12:07:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-23 12:07:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-23 12:07:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-23 12:07:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-11-23 12:07:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-11-23 12:07:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:07:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:07:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-23 12:07:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-23 12:07:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-23 12:07:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-23 12:07:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:07:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:07:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-11-23 12:07:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:07:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 12:07:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:07:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:07:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 12:07:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:07:49,801 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:07:50,452 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:07:50,696 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:07:52,146 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:07:52,164 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:07:52,183 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:07:52,196 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:07:52,219 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:07:54,379 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:02,975 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:03,135 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:05,818 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:05,844 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:06,633 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:06,648 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:19,850 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:20,618 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:20,653 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:23,030 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:23,055 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:25,598 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:27,757 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:29,935 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:31,133 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:31,170 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:31,181 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:31,488 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:35,191 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 12:08:35,213 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:08:35,213 INFO L280 CfgBuilder]: Removed 60 assue(true) statements. [2018-11-23 12:08:35,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:08:35 BoogieIcfgContainer [2018-11-23 12:08:35,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:08:35,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:08:35,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:08:35,218 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:08:35,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:07:48" (1/3) ... [2018-11-23 12:08:35,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba1ff68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:08:35, skipping insertion in model container [2018-11-23 12:08:35,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:07:49" (2/3) ... [2018-11-23 12:08:35,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba1ff68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:08:35, skipping insertion in model container [2018-11-23 12:08:35,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:08:35" (3/3) ... [2018-11-23 12:08:35,221 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0874_true-unreach-call.c [2018-11-23 12:08:35,231 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:08:35,237 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:08:35,247 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:08:35,267 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:08:35,268 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:08:35,268 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:08:35,268 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:08:35,268 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:08:35,268 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:08:35,268 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:08:35,269 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:08:35,269 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:08:35,287 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states. [2018-11-23 12:08:35,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 12:08:35,293 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:08:35,294 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:08:35,296 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:08:35,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:08:35,301 INFO L82 PathProgramCache]: Analyzing trace with hash 145779131, now seen corresponding path program 1 times [2018-11-23 12:08:35,305 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 12:08:35,305 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/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 12:08:35,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:08:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:08:35,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:08:35,536 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 12:08:35,536 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 12:08:35,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:08:35,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:08:35,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:08:35,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:08:35,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:08:35,561 INFO L87 Difference]: Start difference. First operand 232 states. Second operand 2 states. [2018-11-23 12:08:35,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:08:35,594 INFO L93 Difference]: Finished difference Result 457 states and 751 transitions. [2018-11-23 12:08:35,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:08:35,595 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-11-23 12:08:35,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:08:35,603 INFO L225 Difference]: With dead ends: 457 [2018-11-23 12:08:35,603 INFO L226 Difference]: Without dead ends: 227 [2018-11-23 12:08:35,606 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:08:35,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-23 12:08:35,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-11-23 12:08:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-23 12:08:35,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 308 transitions. [2018-11-23 12:08:35,656 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 308 transitions. Word has length 31 [2018-11-23 12:08:35,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:08:35,656 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 308 transitions. [2018-11-23 12:08:35,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:08:35,657 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 308 transitions. [2018-11-23 12:08:35,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 12:08:35,659 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:08:35,659 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:08:35,659 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:08:35,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:08:35,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1493562557, now seen corresponding path program 1 times [2018-11-23 12:08:35,660 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 12:08:35,660 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/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 12:08:35,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:08:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:08:36,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:08:36,154 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:08:36,157 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:08:36,162 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 12:08:36,225 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-23 12:08:36,225 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 12:08:36,239 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-23 12:08:36,245 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-11-23 12:08:36,245 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 12:08:36,246 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:08:36,249 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 12:08:36,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 12:08:36,264 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-23 12:08:36,396 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 12:08:36,396 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 12:08:36,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:08:36,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:08:36,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:08:36,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:08:36,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:08:36,410 INFO L87 Difference]: Start difference. First operand 227 states and 308 transitions. Second operand 7 states. [2018-11-23 12:08:49,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:08:49,407 INFO L93 Difference]: Finished difference Result 246 states and 329 transitions. [2018-11-23 12:08:49,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:08:49,534 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2018-11-23 12:08:49,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:08:49,537 INFO L225 Difference]: With dead ends: 246 [2018-11-23 12:08:49,537 INFO L226 Difference]: Without dead ends: 233 [2018-11-23 12:08:49,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:08:49,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-11-23 12:08:49,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 227. [2018-11-23 12:08:49,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-23 12:08:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 307 transitions. [2018-11-23 12:08:49,558 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 307 transitions. Word has length 36 [2018-11-23 12:08:49,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:08:49,559 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 307 transitions. [2018-11-23 12:08:49,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:08:49,559 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 307 transitions. [2018-11-23 12:08:49,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 12:08:49,560 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:08:49,560 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:08:49,561 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:08:49,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:08:49,561 INFO L82 PathProgramCache]: Analyzing trace with hash -2090171417, now seen corresponding path program 1 times [2018-11-23 12:08:49,561 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 12:08:49,561 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/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 12:08:49,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:08:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:08:49,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:08:49,850 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-23 12:08:49,855 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 55 [2018-11-23 12:08:49,872 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-11-23 12:08:49,873 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 12:08:49,879 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:08:49,889 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:08:49,906 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 12:08:49,907 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:76, output treesize:37 [2018-11-23 12:08:50,420 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 12:08:50,420 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 12:08:50,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:08:50,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-23 12:08:50,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 12:08:50,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 12:08:50,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-23 12:08:50,432 INFO L87 Difference]: Start difference. First operand 227 states and 307 transitions. Second operand 12 states. [2018-11-23 12:08:52,246 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-23 12:09:06,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:09:06,979 INFO L93 Difference]: Finished difference Result 280 states and 370 transitions. [2018-11-23 12:09:06,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 12:09:06,982 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-11-23 12:09:06,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:09:06,983 INFO L225 Difference]: With dead ends: 280 [2018-11-23 12:09:06,983 INFO L226 Difference]: Without dead ends: 266 [2018-11-23 12:09:06,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2018-11-23 12:09:06,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-11-23 12:09:07,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 227. [2018-11-23 12:09:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-23 12:09:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 304 transitions. [2018-11-23 12:09:07,003 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 304 transitions. Word has length 38 [2018-11-23 12:09:07,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:09:07,003 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 304 transitions. [2018-11-23 12:09:07,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 12:09:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 304 transitions. [2018-11-23 12:09:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 12:09:07,004 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:09:07,004 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:09:07,005 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:09:07,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:09:07,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1911392872, now seen corresponding path program 1 times [2018-11-23 12:09:07,005 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 12:09:07,005 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/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 12:09:07,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:09:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:09:07,545 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:09:07,597 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-23 12:09:07,606 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 55 [2018-11-23 12:09:07,627 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-11-23 12:09:07,627 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 12:09:07,637 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:09:07,644 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:09:07,662 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 12:09:07,662 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:76, output treesize:37 [2018-11-23 12:09:08,160 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:09:08,161 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:09:08,162 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 12:09:08,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 43 [2018-11-23 12:09:08,267 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 12:09:08,268 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 12:09:08,304 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:09:08,329 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-23 12:09:08,341 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-11-23 12:09:08,341 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 12:09:08,343 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:09:08,353 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 12:09:08,381 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 12:09:08,381 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:70, output treesize:31 [2018-11-23 12:09:08,972 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 12:09:08,972 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 12:09:08,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:09:08,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-23 12:09:08,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 12:09:08,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 12:09:08,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-11-23 12:09:08,994 INFO L87 Difference]: Start difference. First operand 227 states and 304 transitions. Second operand 14 states. [2018-11-23 12:09:10,688 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-11-23 12:09:11,163 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-11-23 12:10:00,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:10:00,034 INFO L93 Difference]: Finished difference Result 280 states and 367 transitions. [2018-11-23 12:10:00,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 12:10:00,036 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2018-11-23 12:10:00,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:10:00,037 INFO L225 Difference]: With dead ends: 280 [2018-11-23 12:10:00,037 INFO L226 Difference]: Without dead ends: 266 [2018-11-23 12:10:00,038 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2018-11-23 12:10:00,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-11-23 12:10:00,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2018-11-23 12:10:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-23 12:10:00,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 302 transitions. [2018-11-23 12:10:00,059 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 302 transitions. Word has length 38 [2018-11-23 12:10:00,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:10:00,060 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 302 transitions. [2018-11-23 12:10:00,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 12:10:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 302 transitions. [2018-11-23 12:10:00,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 12:10:00,061 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:10:00,062 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:10:00,062 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:10:00,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:10:00,062 INFO L82 PathProgramCache]: Analyzing trace with hash -606447928, now seen corresponding path program 1 times [2018-11-23 12:10:00,063 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 12:10:00,063 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de40e7e4-47c6-4caa-945d-ea7a4c086f50/bin-2019/uautomizer/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 12:10:00,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:10:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:10:01,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:10:01,035 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:10:01,036 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:10:01,037 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:10:01,038 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:10:01,039 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 12:10:01,146 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-11-23 12:10:01,347 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2018-11-23 12:10:01,348 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_7 (_ bv0 32) ((_ extract 31 0) v_prenex_56)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:210) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:142) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 12:10:01,350 INFO L168 Benchmark]: Toolchain (without parser) took 132407.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 945.4 MB in the beginning and 898.8 MB in the end (delta: 46.6 MB). Peak memory consumption was 251.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:10:01,350 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 12:10:01,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:10:01,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:10:01,351 INFO L168 Benchmark]: Boogie Preprocessor took 68.46 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:10:01,352 INFO L168 Benchmark]: RCFGBuilder took 45743.63 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: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:10:01,352 INFO L168 Benchmark]: TraceAbstraction took 86134.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.0 GB in the beginning and 898.8 MB in the end (delta: 114.3 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:10:01,355 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 430.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.46 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 45743.63 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: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 86134.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.0 GB in the beginning and 898.8 MB in the end (delta: 114.3 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_7 (_ bv0 32) ((_ extract 31 0) v_prenex_56)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_7 (_ bv0 32) ((_ extract 31 0) v_prenex_56)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...