./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float19.i --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/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float19.i -s /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/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 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff ................................................................................................................................................................. 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/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float19.i -s /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/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 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff ................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:54,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:54,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:54,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:54,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:54,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:54,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:54,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:54,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:54,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:54,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:54,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:54,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:54,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:54,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:54,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:54,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:54,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:54,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:54,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:54,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:54,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:54,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:54,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:54,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:54,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:54,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:54,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:54,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:54,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:54,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:54,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:54,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:54,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:54,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:54,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:54,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:54,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:54,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:54,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:54,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:54,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:54,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:54,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:54,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:54,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:54,629 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:54,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:54,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:54,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:54,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:54,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:54,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:54,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:54,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:54,630 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:54,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:54,631 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:54,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:54,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:54,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:54,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:54,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:54,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:54,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:54,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:54,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:54,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:54,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:54,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:54,635 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/working_dir_59500308-2f77-4729-b636-0b8500662012/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 -> 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff [2019-10-22 09:00:54,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:54,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:54,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:54,691 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:54,691 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:54,692 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float19.i [2019-10-22 09:00:54,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/data/87b33b0e4/4c336e09fbf34937800cd882ede28657/FLAGbc1207670 [2019-10-22 09:00:55,230 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:55,232 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/sv-benchmarks/c/floats-cbmc-regression/float19.i [2019-10-22 09:00:55,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/data/87b33b0e4/4c336e09fbf34937800cd882ede28657/FLAGbc1207670 [2019-10-22 09:00:55,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/data/87b33b0e4/4c336e09fbf34937800cd882ede28657 [2019-10-22 09:00:55,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:55,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:55,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:55,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:55,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:55,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:55" (1/1) ... [2019-10-22 09:00:55,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34867b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:55, skipping insertion in model container [2019-10-22 09:00:55,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:55" (1/1) ... [2019-10-22 09:00:55,729 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:55,770 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:56,284 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1601) 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.visit(CHandler.java:941) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1424) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 09:00:56,295 INFO L168 Benchmark]: Toolchain (without parser) took 577.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:56,297 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:56,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:56,300 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 574.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:58,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:58,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:58,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:58,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:58,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:58,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:58,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:58,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:58,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:58,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:58,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:58,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:58,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:58,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:58,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:58,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:58,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:58,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:58,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:58,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:58,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:58,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:58,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:58,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:58,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:58,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:58,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:58,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:58,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:58,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:58,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:58,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:58,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:58,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:58,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:58,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:58,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:58,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:58,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:58,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:58,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 09:00:58,214 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:58,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:58,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:58,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:58,227 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:58,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:58,227 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:58,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:58,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:58,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:58,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:58,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:58,228 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:00:58,228 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:00:58,228 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:58,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:58,228 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:58,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:58,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:58,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:58,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:58,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:58,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:58,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:58,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:58,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:58,230 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:00:58,230 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:00:58,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:58,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:00:58,230 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/working_dir_59500308-2f77-4729-b636-0b8500662012/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 -> 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff [2019-10-22 09:00:58,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:58,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:58,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:58,277 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:58,278 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:58,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float19.i [2019-10-22 09:00:58,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/data/d49ffd309/ab72c4d6495a40cdb068a89d84df3303/FLAGa5a5e2331 [2019-10-22 09:00:58,831 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:58,832 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/sv-benchmarks/c/floats-cbmc-regression/float19.i [2019-10-22 09:00:58,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/data/d49ffd309/ab72c4d6495a40cdb068a89d84df3303/FLAGa5a5e2331 [2019-10-22 09:00:59,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/data/d49ffd309/ab72c4d6495a40cdb068a89d84df3303 [2019-10-22 09:00:59,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:59,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:59,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:59,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:59,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:59,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:59" (1/1) ... [2019-10-22 09:00:59,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc44d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:59, skipping insertion in model container [2019-10-22 09:00:59,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:59" (1/1) ... [2019-10-22 09:00:59,321 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:59,371 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:59,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:59,924 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:59,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:00,196 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:00,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00 WrapperNode [2019-10-22 09:01:00,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:00,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:00,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:00,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:00,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00" (1/1) ... [2019-10-22 09:01:00,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00" (1/1) ... [2019-10-22 09:01:00,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:00,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:00,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:00,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:00,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00" (1/1) ... [2019-10-22 09:01:00,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00" (1/1) ... [2019-10-22 09:01:00,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00" (1/1) ... [2019-10-22 09:01:00,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00" (1/1) ... [2019-10-22 09:01:00,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00" (1/1) ... [2019-10-22 09:01:00,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00" (1/1) ... [2019-10-22 09:01:00,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00" (1/1) ... [2019-10-22 09:01:00,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:00,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:00,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:00,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:00,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/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 [2019-10-22 09:01:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:00,613 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:00,613 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 09:01:00,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:00 BoogieIcfgContainer [2019-10-22 09:01:00,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:00,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:00,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:00,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:00,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:59" (1/3) ... [2019-10-22 09:01:00,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdf4a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:00, skipping insertion in model container [2019-10-22 09:01:00,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:00" (2/3) ... [2019-10-22 09:01:00,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdf4a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:00, skipping insertion in model container [2019-10-22 09:01:00,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:00" (3/3) ... [2019-10-22 09:01:00,623 INFO L109 eAbstractionObserver]: Analyzing ICFG float19.i [2019-10-22 09:01:00,632 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:00,639 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:01:00,649 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:01:00,668 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:00,668 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:00,668 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:00,669 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:00,669 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:00,669 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:00,669 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:00,670 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-10-22 09:01:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 09:01:00,688 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:00,688 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-10-22 09:01:00,690 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:00,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:00,694 INFO L82 PathProgramCache]: Analyzing trace with hash 957381, now seen corresponding path program 1 times [2019-10-22 09:01:00,701 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:01:00,701 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1721903427] [2019-10-22 09:01:00,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/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 [2019-10-22 09:01:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:00,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:00,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:01,080 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:01:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:01,294 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1721903427] [2019-10-22 09:01:01,295 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:01,295 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 09:01:01,295 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977653317] [2019-10-22 09:01:01,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:01,298 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:01:01,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:01,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:01,309 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2019-10-22 09:01:01,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:01,437 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2019-10-22 09:01:01,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:01,442 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-10-22 09:01:01,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:01,447 INFO L225 Difference]: With dead ends: 17 [2019-10-22 09:01:01,447 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:01,450 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:01,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:01,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:01,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:01,469 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-10-22 09:01:01,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:01,469 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:01,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:01,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:01,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:01,670 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 09:01:01,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:01,701 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:01,701 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:01,701 INFO L443 ceAbstractionStarter]: For program point L957(line 957) no Hoare annotation was computed. [2019-10-22 09:01:01,702 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:01,702 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 958) no Hoare annotation was computed. [2019-10-22 09:01:01,702 INFO L443 ceAbstractionStarter]: For program point L957-1(line 957) no Hoare annotation was computed. [2019-10-22 09:01:01,702 INFO L443 ceAbstractionStarter]: For program point L954(lines 954 959) no Hoare annotation was computed. [2019-10-22 09:01:01,702 INFO L446 ceAbstractionStarter]: At program point L971(lines 963 972) the Hoare annotation is: true [2019-10-22 09:01:01,703 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2019-10-22 09:01:01,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:01 BoogieIcfgContainer [2019-10-22 09:01:01,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:01,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:01,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:01,707 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:01,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:00" (3/4) ... [2019-10-22 09:01:01,710 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:01,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:01:01,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:01:01,753 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59500308-2f77-4729-b636-0b8500662012/bin/uautomizer/witness.graphml [2019-10-22 09:01:01,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:01,755 INFO L168 Benchmark]: Toolchain (without parser) took 2448.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -56.7 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:01,755 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:01,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -107.4 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:01,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.84 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:01,757 INFO L168 Benchmark]: Boogie Preprocessor took 25.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:01,757 INFO L168 Benchmark]: RCFGBuilder took 317.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:01,758 INFO L168 Benchmark]: TraceAbstraction took 1091.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:01,758 INFO L168 Benchmark]: Witness Printer took 46.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:01,761 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 890.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -107.4 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.84 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 317.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1091.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Witness Printer took 46.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 4 SDslu, 6 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 2 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...