./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b_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_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/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 08d6302d3ed7bf310f181699a2211422e4771bf9 ......................................................................................................................................................................... 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_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/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 08d6302d3ed7bf310f181699a2211422e4771bf9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_3 (_ bv4 32) ((_ extract 63 32) |v_q#valueAsBitvector_30|)) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:31:06,860 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:31:06,861 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:31:06,868 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:31:06,868 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:31:06,869 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:31:06,870 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:31:06,871 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:31:06,872 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:31:06,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:31:06,873 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:31:06,873 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:31:06,874 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:31:06,875 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:31:06,876 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:31:06,876 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:31:06,877 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:31:06,878 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:31:06,879 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:31:06,880 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:31:06,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:31:06,882 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:31:06,884 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:31:06,884 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:31:06,884 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:31:06,885 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:31:06,885 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:31:06,886 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:31:06,886 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:31:06,887 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:31:06,887 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:31:06,888 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:31:06,888 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:31:06,888 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:31:06,889 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:31:06,889 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:31:06,889 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:31:06,899 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:31:06,899 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:31:06,900 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:31:06,900 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:31:06,900 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:31:06,901 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:31:06,901 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:31:06,901 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:31:06,901 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:31:06,901 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:31:06,901 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:31:06,901 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:31:06,902 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:31:06,902 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:31:06,902 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:31:06,902 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:31:06,902 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:31:06,902 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:31:06,902 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:31:06,902 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:31:06,903 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:31:06,903 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:31:06,903 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:31:06,903 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:31:06,903 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:31:06,903 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:31:06,903 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:31:06,904 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:31:06,904 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:31:06,904 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:31:06,904 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_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/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 -> 08d6302d3ed7bf310f181699a2211422e4771bf9 [2018-11-23 08:31:06,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:31:06,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:31:06,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:31:06,936 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:31:06,937 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:31:06,937 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0870b_true-unreach-call.c [2018-11-23 08:31:06,975 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/data/0acef4a8c/44f6355ad1ed43c3a5ec0caf5ba7d264/FLAGf35d161e0 [2018-11-23 08:31:07,305 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:31:07,306 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/sv-benchmarks/c/float-newlib/double_req_bl_0870b_true-unreach-call.c [2018-11-23 08:31:07,313 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/data/0acef4a8c/44f6355ad1ed43c3a5ec0caf5ba7d264/FLAGf35d161e0 [2018-11-23 08:31:07,322 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/data/0acef4a8c/44f6355ad1ed43c3a5ec0caf5ba7d264 [2018-11-23 08:31:07,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:31:07,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:31:07,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:31:07,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:31:07,328 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:31:07,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:07" (1/1) ... [2018-11-23 08:31:07,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d0804c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:07, skipping insertion in model container [2018-11-23 08:31:07,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:07" (1/1) ... [2018-11-23 08:31:07,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:31:07,363 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:31:07,509 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 08:31:07,512 INFO L168 Benchmark]: Toolchain (without parser) took 188.06 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 941.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:07,514 INFO L168 Benchmark]: CDTParser took 0.14 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 08:31:07,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.46 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 941.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:07,515 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.46 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 941.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 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 08:31:08,721 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:31:08,722 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:31:08,730 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:31:08,731 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:31:08,731 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:31:08,732 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:31:08,733 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:31:08,734 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:31:08,735 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:31:08,735 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:31:08,735 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:31:08,736 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:31:08,737 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:31:08,737 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:31:08,738 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:31:08,738 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:31:08,739 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:31:08,741 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:31:08,742 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:31:08,742 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:31:08,743 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:31:08,745 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:31:08,745 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:31:08,745 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:31:08,745 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:31:08,746 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:31:08,747 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:31:08,747 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:31:08,748 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:31:08,748 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:31:08,748 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:31:08,749 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:31:08,749 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:31:08,749 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:31:08,750 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:31:08,750 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 08:31:08,759 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:31:08,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:31:08,760 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:31:08,760 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:31:08,761 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:31:08,761 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:31:08,761 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:31:08,761 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:31:08,761 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:31:08,761 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:31:08,762 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:31:08,762 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:31:08,762 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:31:08,762 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:31:08,762 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 08:31:08,762 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 08:31:08,762 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:31:08,763 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:31:08,763 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:31:08,763 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:31:08,763 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:31:08,763 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:31:08,763 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:31:08,763 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:31:08,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:31:08,764 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:31:08,764 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:31:08,764 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:31:08,764 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 08:31:08,764 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:31:08,764 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 08:31:08,765 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 08:31:08,765 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_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/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 -> 08d6302d3ed7bf310f181699a2211422e4771bf9 [2018-11-23 08:31:08,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:31:08,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:31:08,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:31:08,805 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:31:08,806 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:31:08,807 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0870b_true-unreach-call.c [2018-11-23 08:31:08,841 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/data/eebe036a4/10daa303afac4e80b85a75d3d375aa95/FLAGb63f8ca3c [2018-11-23 08:31:09,260 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:31:09,261 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/sv-benchmarks/c/float-newlib/double_req_bl_0870b_true-unreach-call.c [2018-11-23 08:31:09,266 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/data/eebe036a4/10daa303afac4e80b85a75d3d375aa95/FLAGb63f8ca3c [2018-11-23 08:31:09,276 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/data/eebe036a4/10daa303afac4e80b85a75d3d375aa95 [2018-11-23 08:31:09,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:31:09,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:31:09,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:31:09,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:31:09,282 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:31:09,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:09" (1/1) ... [2018-11-23 08:31:09,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655b2880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09, skipping insertion in model container [2018-11-23 08:31:09,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:09" (1/1) ... [2018-11-23 08:31:09,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:31:09,325 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:31:09,541 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:31:09,548 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:31:09,616 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:31:09,681 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:31:09,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09 WrapperNode [2018-11-23 08:31:09,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:31:09,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:31:09,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:31:09,682 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:31:09,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09" (1/1) ... [2018-11-23 08:31:09,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09" (1/1) ... [2018-11-23 08:31:09,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:31:09,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:31:09,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:31:09,705 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:31:09,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09" (1/1) ... [2018-11-23 08:31:09,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09" (1/1) ... [2018-11-23 08:31:09,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09" (1/1) ... [2018-11-23 08:31:09,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09" (1/1) ... [2018-11-23 08:31:09,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09" (1/1) ... [2018-11-23 08:31:09,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09" (1/1) ... [2018-11-23 08:31:09,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09" (1/1) ... [2018-11-23 08:31:09,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:31:09,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:31:09,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:31:09,771 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:31:09,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/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 08:31:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-23 08:31:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-23 08:31:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-23 08:31:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-11-23 08:31:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-11-23 08:31:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-11-23 08:31:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-11-23 08:31:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-23 08:31:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-11-23 08:31:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-11-23 08:31:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:31:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:31:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-23 08:31:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-23 08:31:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-23 08:31:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-23 08:31:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:31:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:31:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-11-23 08:31:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:31:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 08:31:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:31:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:31:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 08:31:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:31:10,081 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:10,860 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:11,154 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:12,045 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:12,060 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:12,071 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:12,087 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:19,485 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:19,599 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:22,271 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:22,286 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:22,637 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:22,668 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:35,660 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:36,357 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:36,393 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:38,731 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:38,745 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:41,250 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:43,388 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:45,563 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:47,041 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:49,167 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:49,198 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:49,208 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:49,460 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:51,254 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:51,260 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:31:51,260 INFO L280 CfgBuilder]: Removed 58 assue(true) statements. [2018-11-23 08:31:51,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:51 BoogieIcfgContainer [2018-11-23 08:31:51,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:31:51,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:31:51,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:31:51,264 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:31:51,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:09" (1/3) ... [2018-11-23 08:31:51,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfc85c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:51, skipping insertion in model container [2018-11-23 08:31:51,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:09" (2/3) ... [2018-11-23 08:31:51,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfc85c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:51, skipping insertion in model container [2018-11-23 08:31:51,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:51" (3/3) ... [2018-11-23 08:31:51,267 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0870b_true-unreach-call.c [2018-11-23 08:31:51,275 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:31:51,281 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:31:51,291 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:31:51,311 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:31:51,312 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:31:51,312 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:31:51,312 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:31:51,312 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:31:51,312 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:31:51,313 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:31:51,313 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:31:51,313 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:31:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2018-11-23 08:31:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 08:31:51,334 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:51,334 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] [2018-11-23 08:31:51,336 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:51,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:51,339 INFO L82 PathProgramCache]: Analyzing trace with hash 990767779, now seen corresponding path program 1 times [2018-11-23 08:31:51,342 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:31:51,343 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/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 08:31:51,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:51,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:31:51,543 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 08:31:51,543 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:31:51,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:31:51,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:31:51,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:31:51,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:31:51,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:31:51,565 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 2 states. [2018-11-23 08:31:51,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:31:51,601 INFO L93 Difference]: Finished difference Result 447 states and 732 transitions. [2018-11-23 08:31:51,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:31:51,602 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-23 08:31:51,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:31:51,610 INFO L225 Difference]: With dead ends: 447 [2018-11-23 08:31:51,610 INFO L226 Difference]: Without dead ends: 223 [2018-11-23 08:31:51,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 08:31:51,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-11-23 08:31:51,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-11-23 08:31:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-23 08:31:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 303 transitions. [2018-11-23 08:31:51,650 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 303 transitions. Word has length 22 [2018-11-23 08:31:51,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:31:51,650 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 303 transitions. [2018-11-23 08:31:51,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:31:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 303 transitions. [2018-11-23 08:31:51,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 08:31:51,651 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:51,651 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 08:31:51,651 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:51,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:51,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1508054310, now seen corresponding path program 1 times [2018-11-23 08:31:51,652 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:31:51,652 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/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 08:31:51,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:51,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:31:52,013 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 08:31:52,022 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 08:31:52,027 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 08:31:52,086 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 08:31:52,097 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 24 treesize of output 24 [2018-11-23 08:31:52,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 08:31:52,119 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 08:31:52,126 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 08:31:52,126 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 08:31:52,129 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 08:31:52,132 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 08:31:52,142 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 08:31:52,142 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-11-23 08:31:52,234 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 08:31:52,234 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:31:52,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:31:52,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:31:52,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:31:52,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:31:52,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:31:52,248 INFO L87 Difference]: Start difference. First operand 223 states and 303 transitions. Second operand 7 states. [2018-11-23 08:32:06,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:06,266 INFO L93 Difference]: Finished difference Result 235 states and 314 transitions. [2018-11-23 08:32:06,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:32:06,379 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-23 08:32:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:06,382 INFO L225 Difference]: With dead ends: 235 [2018-11-23 08:32:06,382 INFO L226 Difference]: Without dead ends: 225 [2018-11-23 08:32:06,383 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 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 08:32:06,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-11-23 08:32:06,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2018-11-23 08:32:06,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-23 08:32:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 302 transitions. [2018-11-23 08:32:06,401 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 302 transitions. Word has length 24 [2018-11-23 08:32:06,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:06,402 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 302 transitions. [2018-11-23 08:32:06,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:32:06,402 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 302 transitions. [2018-11-23 08:32:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 08:32:06,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:06,403 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] [2018-11-23 08:32:06,403 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:06,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:06,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1331011426, now seen corresponding path program 1 times [2018-11-23 08:32:06,403 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:32:06,404 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/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 08:32:06,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:06,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:06,677 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 08:32:06,677 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:06,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:06,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:32:06,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:32:06,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:32:06,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:32:06,688 INFO L87 Difference]: Start difference. First operand 223 states and 302 transitions. Second operand 7 states. [2018-11-23 08:32:18,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:18,856 INFO L93 Difference]: Finished difference Result 273 states and 362 transitions. [2018-11-23 08:32:18,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:32:18,857 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-23 08:32:18,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:18,859 INFO L225 Difference]: With dead ends: 273 [2018-11-23 08:32:18,859 INFO L226 Difference]: Without dead ends: 263 [2018-11-23 08:32:18,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 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 08:32:18,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-11-23 08:32:18,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 223. [2018-11-23 08:32:18,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-23 08:32:18,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 300 transitions. [2018-11-23 08:32:18,879 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 300 transitions. Word has length 26 [2018-11-23 08:32:18,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:18,879 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 300 transitions. [2018-11-23 08:32:18,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:32:18,879 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 300 transitions. [2018-11-23 08:32:18,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 08:32:18,880 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:18,880 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] [2018-11-23 08:32:18,880 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:18,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:18,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1134497921, now seen corresponding path program 1 times [2018-11-23 08:32:18,881 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:32:18,881 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/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 08:32:18,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:19,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:19,155 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 08:32:19,156 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:19,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:19,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:32:19,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:32:19,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:32:19,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:32:19,166 INFO L87 Difference]: Start difference. First operand 223 states and 300 transitions. Second operand 7 states. [2018-11-23 08:32:33,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:33,400 INFO L93 Difference]: Finished difference Result 230 states and 307 transitions. [2018-11-23 08:32:33,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:32:33,400 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-23 08:32:33,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:33,401 INFO L225 Difference]: With dead ends: 230 [2018-11-23 08:32:33,402 INFO L226 Difference]: Without dead ends: 222 [2018-11-23 08:32:33,402 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:32:33,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-11-23 08:32:33,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2018-11-23 08:32:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-23 08:32:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 297 transitions. [2018-11-23 08:32:33,415 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 297 transitions. Word has length 26 [2018-11-23 08:32:33,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:33,416 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 297 transitions. [2018-11-23 08:32:33,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:32:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 297 transitions. [2018-11-23 08:32:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 08:32:33,416 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:33,417 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] [2018-11-23 08:32:33,417 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:33,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:33,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1554998657, now seen corresponding path program 1 times [2018-11-23 08:32:33,417 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:32:33,418 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/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 08:32:33,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:34,236 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:38,670 WARN L854 $PredicateComparison]: unable to prove that (= (fp.div roundNearestTiesToEven c_~one_pow~0 |c___ieee754_pow_#in~x|) |c___ieee754_pow_#res|) is different from true [2018-11-23 08:32:38,788 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 08:32:38,788 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:38,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:38,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 08:32:38,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:32:38,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:32:38,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-11-23 08:32:38,804 INFO L87 Difference]: Start difference. First operand 222 states and 297 transitions. Second operand 9 states. [2018-11-23 08:33:04,527 WARN L180 SmtUtils]: Spent 10.31 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-23 08:33:10,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:33:10,744 INFO L93 Difference]: Finished difference Result 229 states and 304 transitions. [2018-11-23 08:33:10,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:33:10,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-11-23 08:33:10,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:33:10,745 INFO L225 Difference]: With dead ends: 229 [2018-11-23 08:33:10,746 INFO L226 Difference]: Without dead ends: 222 [2018-11-23 08:33:10,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 29.1s TimeCoverageRelationStatistics Valid=32, Invalid=102, Unknown=2, NotChecked=20, Total=156 [2018-11-23 08:33:10,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-11-23 08:33:10,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2018-11-23 08:33:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-23 08:33:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 296 transitions. [2018-11-23 08:33:10,757 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 296 transitions. Word has length 30 [2018-11-23 08:33:10,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:33:10,757 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 296 transitions. [2018-11-23 08:33:10,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:33:10,757 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 296 transitions. [2018-11-23 08:33:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 08:33:10,758 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:33:10,758 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] [2018-11-23 08:33:10,758 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:33:10,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:33:10,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1358485152, now seen corresponding path program 1 times [2018-11-23 08:33:10,759 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:33:10,759 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/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 08:33:10,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:33:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:33:10,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:33:11,035 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 08:33:11,035 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:33:11,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:33:11,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 08:33:11,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:33:11,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:33:11,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:33:11,045 INFO L87 Difference]: Start difference. First operand 222 states and 296 transitions. Second operand 9 states. [2018-11-23 08:33:22,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:33:22,474 INFO L93 Difference]: Finished difference Result 229 states and 303 transitions. [2018-11-23 08:33:22,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:33:22,475 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-11-23 08:33:22,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:33:22,476 INFO L225 Difference]: With dead ends: 229 [2018-11-23 08:33:22,476 INFO L226 Difference]: Without dead ends: 221 [2018-11-23 08:33:22,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:33:22,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-23 08:33:22,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-11-23 08:33:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-23 08:33:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 294 transitions. [2018-11-23 08:33:22,485 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 294 transitions. Word has length 30 [2018-11-23 08:33:22,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:33:22,485 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 294 transitions. [2018-11-23 08:33:22,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:33:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 294 transitions. [2018-11-23 08:33:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 08:33:22,486 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:33:22,486 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] [2018-11-23 08:33:22,486 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:33:22,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:33:22,487 INFO L82 PathProgramCache]: Analyzing trace with hash 177608929, now seen corresponding path program 1 times [2018-11-23 08:33:22,487 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:33:22,487 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-23 08:33:22,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:33:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:33:22,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:33:27,746 WARN L180 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-11-23 08:33:31,626 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 08:33:31,626 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:33:31,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:33:31,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 08:33:31,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:33:31,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:33:31,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:33:31,639 INFO L87 Difference]: Start difference. First operand 221 states and 294 transitions. Second operand 9 states. [2018-11-23 08:33:36,705 WARN L180 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 8 [2018-11-23 08:33:57,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:33:57,395 INFO L93 Difference]: Finished difference Result 228 states and 301 transitions. [2018-11-23 08:33:57,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:33:57,395 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-11-23 08:33:57,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:33:57,396 INFO L225 Difference]: With dead ends: 228 [2018-11-23 08:33:57,396 INFO L226 Difference]: Without dead ends: 221 [2018-11-23 08:33:57,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:33:57,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-23 08:33:57,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-11-23 08:33:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-23 08:33:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 293 transitions. [2018-11-23 08:33:57,405 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 293 transitions. Word has length 30 [2018-11-23 08:33:57,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:33:57,405 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 293 transitions. [2018-11-23 08:33:57,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:33:57,405 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 293 transitions. [2018-11-23 08:33:57,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 08:33:57,406 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:33:57,406 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] [2018-11-23 08:33:57,406 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:33:57,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:33:57,407 INFO L82 PathProgramCache]: Analyzing trace with hash -2140142452, now seen corresponding path program 1 times [2018-11-23 08:33:57,407 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:33:57,407 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-23 08:33:57,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:33:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:33:57,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:33:57,737 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 08:33:57,737 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:33:57,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:33:57,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 08:33:57,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 08:33:57,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 08:33:57,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:33:57,753 INFO L87 Difference]: Start difference. First operand 221 states and 293 transitions. Second operand 8 states. [2018-11-23 08:33:58,252 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2018-11-23 08:34:08,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:34:08,697 INFO L93 Difference]: Finished difference Result 446 states and 588 transitions. [2018-11-23 08:34:08,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:34:08,698 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-11-23 08:34:08,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:34:08,700 INFO L225 Difference]: With dead ends: 446 [2018-11-23 08:34:08,700 INFO L226 Difference]: Without dead ends: 296 [2018-11-23 08:34:08,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:34:08,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-11-23 08:34:08,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 242. [2018-11-23 08:34:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-11-23 08:34:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 324 transitions. [2018-11-23 08:34:08,712 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 324 transitions. Word has length 32 [2018-11-23 08:34:08,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:34:08,712 INFO L480 AbstractCegarLoop]: Abstraction has 242 states and 324 transitions. [2018-11-23 08:34:08,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 08:34:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 324 transitions. [2018-11-23 08:34:08,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 08:34:08,713 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:34:08,713 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] [2018-11-23 08:34:08,714 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:34:08,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:34:08,714 INFO L82 PathProgramCache]: Analyzing trace with hash -109987180, now seen corresponding path program 1 times [2018-11-23 08:34:08,715 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:34:08,715 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0c234f6-4ae2-4f64-b42d-1e94b6e127f3/bin-2019/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-11-23 08:34:08,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:34:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:34:09,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:34:09,076 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 08:34:09,077 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 08:34:09,077 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 08:34:09,077 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 08:34:09,078 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 47 treesize of output 76 [2018-11-23 08:34:09,280 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2018-11-23 08:34:09,280 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_3 (_ bv4 32) ((_ extract 63 32) |v_q#valueAsBitvector_30|)) 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 08:34:09,282 INFO L168 Benchmark]: Toolchain (without parser) took 180004.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 949.7 MB in the beginning and 902.9 MB in the end (delta: 46.8 MB). Peak memory consumption was 246.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:09,283 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:34:09,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:09,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.41 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:09,284 INFO L168 Benchmark]: Boogie Preprocessor took 66.46 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:09,284 INFO L168 Benchmark]: RCFGBuilder took 41489.36 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: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:09,285 INFO L168 Benchmark]: TraceAbstraction took 138020.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.0 GB in the beginning and 902.9 MB in the end (delta: 105.0 MB). Peak memory consumption was 168.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:09,288 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 402.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.41 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.46 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 41489.36 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: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 138020.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.0 GB in the beginning and 902.9 MB in the end (delta: 105.0 MB). Peak memory consumption was 168.4 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_3 (_ bv4 32) ((_ extract 63 32) |v_q#valueAsBitvector_30|)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_3 (_ bv4 32) ((_ extract 63 32) |v_q#valueAsBitvector_30|)): 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...