./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0882.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0882.c -s /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/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 e6812207659d67444abdc9d105ff32acac8458b5 ............................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0882.c -s /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/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 e6812207659d67444abdc9d105ff32acac8458b5 .................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:09:50,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:09:50,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:09:50,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:09:50,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:09:50,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:09:50,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:09:50,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:09:50,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:09:50,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:09:50,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:09:50,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:09:50,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:09:50,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:09:50,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:09:50,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:09:50,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:09:50,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:09:50,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:09:50,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:09:50,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:09:50,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:09:50,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:09:50,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:09:50,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:09:50,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:09:50,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:09:50,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:09:50,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:09:50,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:09:50,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:09:50,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:09:50,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:09:50,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:09:50,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:09:50,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:09:50,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:09:50,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:09:50,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:09:50,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:09:50,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:09:50,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:09:50,925 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:09:50,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:09:50,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:09:50,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:09:50,927 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:09:50,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:09:50,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:09:50,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:09:50,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:09:50,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:09:50,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:09:50,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:09:50,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:09:50,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:09:50,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:09:50,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:09:50,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:09:50,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:09:50,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:09:50,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:09:50,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:09:50,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:09:50,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:09:50,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:09:50,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:09:50,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:09:50,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:09:50,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:09:50,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/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 -> e6812207659d67444abdc9d105ff32acac8458b5 [2019-11-15 23:09:50,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:09:50,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:09:50,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:09:50,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:09:50,995 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:09:50,996 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0882.c [2019-11-15 23:09:51,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/data/23d956ab7/33649fb3e3bf4489b036d71816c0ddc7/FLAGffe06f996 [2019-11-15 23:09:51,574 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:09:51,574 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/sv-benchmarks/c/float-newlib/double_req_bl_0882.c [2019-11-15 23:09:51,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/data/23d956ab7/33649fb3e3bf4489b036d71816c0ddc7/FLAGffe06f996 [2019-11-15 23:09:51,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/data/23d956ab7/33649fb3e3bf4489b036d71816c0ddc7 [2019-11-15 23:09:51,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:09:51,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:09:51,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:09:51,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:09:51,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:09:51,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:09:51" (1/1) ... [2019-11-15 23:09:51,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c99f82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:51, skipping insertion in model container [2019-11-15 23:09:51,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:09:51" (1/1) ... [2019-11-15 23:09:51,890 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:09:51,934 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:09:52,222 FATAL L? ?]: 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:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1593) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$35(StandardFunctionHandler.java:317) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) 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:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1832) 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:1455) 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:906) 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:1432) 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:906) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) 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:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) 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:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) 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) [2019-11-15 23:09:52,237 INFO L168 Benchmark]: Toolchain (without parser) took 359.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:09:52,238 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:09:52,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:09:52,240 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 17.5 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:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 23:09:54,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:09:54,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:09:54,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:09:54,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:09:54,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:09:54,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:09:54,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:09:54,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:09:54,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:09:54,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:09:54,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:09:54,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:09:54,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:09:54,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:09:54,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:09:54,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:09:54,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:09:54,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:09:54,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:09:54,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:09:54,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:09:54,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:09:54,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:09:54,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:09:54,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:09:54,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:09:54,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:09:54,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:09:54,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:09:54,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:09:54,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:09:54,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:09:54,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:09:54,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:09:54,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:09:54,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:09:54,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:09:54,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:09:54,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:09:54,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:09:54,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 23:09:54,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:09:54,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:09:54,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:09:54,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:09:54,237 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:09:54,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:09:54,238 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:09:54,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:09:54,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:09:54,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:09:54,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:09:54,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:09:54,239 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 23:09:54,239 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 23:09:54,240 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:09:54,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:09:54,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:09:54,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:09:54,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:09:54,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:09:54,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:09:54,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:09:54,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:09:54,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:09:54,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:09:54,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:09:54,242 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 23:09:54,243 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 23:09:54,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:09:54,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 23:09:54,243 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/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 -> e6812207659d67444abdc9d105ff32acac8458b5 [2019-11-15 23:09:54,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:09:54,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:09:54,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:09:54,291 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:09:54,292 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:09:54,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0882.c [2019-11-15 23:09:54,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/data/b45885012/51ec27db303d4e39856d61713d485e4a/FLAG4034c5bb1 [2019-11-15 23:09:54,799 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:09:54,804 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/sv-benchmarks/c/float-newlib/double_req_bl_0882.c [2019-11-15 23:09:54,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/data/b45885012/51ec27db303d4e39856d61713d485e4a/FLAG4034c5bb1 [2019-11-15 23:09:55,100 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/uautomizer/data/b45885012/51ec27db303d4e39856d61713d485e4a [2019-11-15 23:09:55,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:09:55,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:09:55,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:09:55,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:09:55,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:09:55,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:09:55" (1/1) ... [2019-11-15 23:09:55,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cfa1c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55, skipping insertion in model container [2019-11-15 23:09:55,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:09:55" (1/1) ... [2019-11-15 23:09:55,121 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:09:55,172 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:09:55,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:09:55,593 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:09:55,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:09:55,757 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:09:55,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55 WrapperNode [2019-11-15 23:09:55,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:09:55,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:09:55,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:09:55,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:09:55,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55" (1/1) ... [2019-11-15 23:09:55,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55" (1/1) ... [2019-11-15 23:09:55,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:09:55,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:09:55,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:09:55,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:09:55,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55" (1/1) ... [2019-11-15 23:09:55,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55" (1/1) ... [2019-11-15 23:09:55,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55" (1/1) ... [2019-11-15 23:09:55,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55" (1/1) ... [2019-11-15 23:09:55,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55" (1/1) ... [2019-11-15 23:09:55,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55" (1/1) ... [2019-11-15 23:09:55,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55" (1/1) ... [2019-11-15 23:09:55,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:09:55,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:09:55,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:09:55,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:09:55,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/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 [2019-11-15 23:09:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-15 23:09:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-15 23:09:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:09:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-15 23:09:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 23:09:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:09:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:09:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 23:09:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:10:41,116 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:10:41,116 INFO L284 CfgBuilder]: Removed 92 assume(true) statements. [2019-11-15 23:10:41,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:10:41 BoogieIcfgContainer [2019-11-15 23:10:41,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:10:41,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:10:41,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:10:41,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:10:41,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:09:55" (1/3) ... [2019-11-15 23:10:41,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1ce3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:10:41, skipping insertion in model container [2019-11-15 23:10:41,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:09:55" (2/3) ... [2019-11-15 23:10:41,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1ce3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:10:41, skipping insertion in model container [2019-11-15 23:10:41,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:10:41" (3/3) ... [2019-11-15 23:10:41,126 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0882.c [2019-11-15 23:10:41,133 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:10:41,140 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:10:41,148 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:10:41,172 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:10:41,172 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:10:41,173 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:10:41,173 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:10:41,173 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:10:41,173 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:10:41,173 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:10:41,173 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:10:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states. [2019-11-15 23:10:41,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:10:41,198 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:10:41,199 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:10:41,201 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:10:41,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:10:41,207 INFO L82 PathProgramCache]: Analyzing trace with hash 484722149, now seen corresponding path program 1 times [2019-11-15 23:10:41,217 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:10:41,217 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [870908496] [2019-11-15 23:10:41,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/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 [2019-11-15 23:10:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:10:41,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 23:10:41,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:10:41,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:10:41,470 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:10:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:10:41,480 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [870908496] [2019-11-15 23:10:41,481 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:10:41,481 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 23:10:41,481 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590156677] [2019-11-15 23:10:41,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:10:41,486 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:10:41,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:10:41,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:10:41,502 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 2 states. [2019-11-15 23:10:41,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:10:41,568 INFO L93 Difference]: Finished difference Result 431 states and 736 transitions. [2019-11-15 23:10:41,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:10:41,569 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-15 23:10:41,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:10:41,583 INFO L225 Difference]: With dead ends: 431 [2019-11-15 23:10:41,584 INFO L226 Difference]: Without dead ends: 213 [2019-11-15 23:10:41,587 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:10:41,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-11-15 23:10:41,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2019-11-15 23:10:41,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-11-15 23:10:41,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 292 transitions. [2019-11-15 23:10:41,630 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 292 transitions. Word has length 11 [2019-11-15 23:10:41,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:10:41,630 INFO L462 AbstractCegarLoop]: Abstraction has 213 states and 292 transitions. [2019-11-15 23:10:41,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:10:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 292 transitions. [2019-11-15 23:10:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 23:10:41,632 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:10:41,632 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:10:41,848 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 23:10:41,849 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:10:41,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:10:41,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1071825986, now seen corresponding path program 1 times [2019-11-15 23:10:41,850 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:10:41,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160478850] [2019-11-15 23:10:41,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/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 [2019-11-15 23:10:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:10:42,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 23:10:42,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:10:42,309 INFO L375 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 31 [2019-11-15 23:10:42,337 INFO L375 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-11-15 23:10:42,337 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 23:10:42,356 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:10:42,365 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:10:42,365 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2019-11-15 23:10:42,366 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 23:10:42,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:10:42,370 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:10:42,391 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:10:42,392 INFO L496 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. [2019-11-15 23:10:42,392 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2019-11-15 23:10:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:10:43,506 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:10:43,919 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:10:43,920 INFO L375 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 4 case distinctions, treesize of input 40 treesize of output 40 [2019-11-15 23:10:43,958 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:10:43,958 INFO L375 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 36 [2019-11-15 23:10:43,959 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 23:10:43,973 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:10:43,982 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:10:43,982 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 20 [2019-11-15 23:10:43,983 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 23:10:43,987 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:10:43,988 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:10:44,001 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:10:44,001 INFO L496 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. [2019-11-15 23:10:44,002 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:50, output treesize:21 [2019-11-15 23:10:44,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:10:44,182 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160478850] [2019-11-15 23:10:44,182 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:10:44,182 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 23:10:44,183 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585292292] [2019-11-15 23:10:44,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:10:44,184 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:10:44,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:10:44,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:10:44,185 INFO L87 Difference]: Start difference. First operand 213 states and 292 transitions. Second operand 8 states. [2019-11-15 23:10:46,903 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 24 [2019-11-15 23:10:55,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:10:55,528 INFO L93 Difference]: Finished difference Result 366 states and 483 transitions. [2019-11-15 23:10:55,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:10:55,661 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-11-15 23:10:55,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:10:55,663 INFO L225 Difference]: With dead ends: 366 [2019-11-15 23:10:55,663 INFO L226 Difference]: Without dead ends: 181 [2019-11-15 23:10:55,665 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:10:55,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2019-11-15 23:10:55,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 172. [2019-11-15 23:10:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-11-15 23:10:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 219 transitions. [2019-11-15 23:10:55,681 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 219 transitions. Word has length 13 [2019-11-15 23:10:55,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:10:55,681 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 219 transitions. [2019-11-15 23:10:55,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:10:55,682 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2019-11-15 23:10:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 23:10:55,682 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:10:55,683 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:10:55,896 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 23:10:55,897 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:10:55,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:10:55,897 INFO L82 PathProgramCache]: Analyzing trace with hash 754691751, now seen corresponding path program 1 times [2019-11-15 23:10:55,898 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:10:55,898 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989724024] [2019-11-15 23:10:55,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/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 [2019-11-15 23:10:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:10:56,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 23:10:56,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:10:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:10:56,246 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:10:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:10:56,412 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989724024] [2019-11-15 23:10:56,412 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:10:56,412 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-15 23:10:56,412 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20821891] [2019-11-15 23:10:56,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 23:10:56,413 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:10:56,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 23:10:56,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:10:56,413 INFO L87 Difference]: Start difference. First operand 172 states and 219 transitions. Second operand 10 states. [2019-11-15 23:11:00,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:11:00,761 INFO L93 Difference]: Finished difference Result 322 states and 405 transitions. [2019-11-15 23:11:00,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:11:00,762 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2019-11-15 23:11:00,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:11:00,765 INFO L225 Difference]: With dead ends: 322 [2019-11-15 23:11:00,765 INFO L226 Difference]: Without dead ends: 162 [2019-11-15 23:11:00,768 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-11-15 23:11:00,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2019-11-15 23:11:00,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 153. [2019-11-15 23:11:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-15 23:11:00,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 179 transitions. [2019-11-15 23:11:00,795 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 179 transitions. Word has length 15 [2019-11-15 23:11:00,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:11:00,795 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 179 transitions. [2019-11-15 23:11:00,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 23:11:00,796 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 179 transitions. [2019-11-15 23:11:00,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 23:11:00,797 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:11:00,797 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:11:01,013 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 23:11:01,013 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:11:01,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:11:01,014 INFO L82 PathProgramCache]: Analyzing trace with hash 756538793, now seen corresponding path program 1 times [2019-11-15 23:11:01,014 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:11:01,014 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983364593] [2019-11-15 23:11:01,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_939bfc1e-d845-4f90-aecd-fddcdc08534b/bin/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 [2019-11-15 23:11:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:11:01,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-15 23:11:01,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:11:01,540 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-15 23:11:01,540 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.downgradeDimensionsIfNecessary(ArrayOccurrenceAnalysis.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:132) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$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:292) 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.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-11-15 23:11:01,545 INFO L168 Benchmark]: Toolchain (without parser) took 66439.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:11:01,546 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:11:01,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:11:01,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:11:01,548 INFO L168 Benchmark]: Boogie Preprocessor took 116.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:11:01,548 INFO L168 Benchmark]: RCFGBuilder took 45157.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.5 MB in the end (delta: 127.8 MB). Peak memory consumption was 127.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:11:01,549 INFO L168 Benchmark]: TraceAbstraction took 20422.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 990.5 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:11:01,552 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 650.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 45157.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.5 MB in the end (delta: 127.8 MB). Peak memory consumption was 127.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20422.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 990.5 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) 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...