./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 069e404bf7b01a351383c4004538ba52022db96a ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:31:03,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:03,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:03,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:03,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:03,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:03,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:03,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:03,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:03,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:03,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:03,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:03,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:03,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:03,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:03,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:03,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:03,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:03,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:03,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:03,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:03,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:03,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:03,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:03,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:03,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:03,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:03,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:03,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:03,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:03,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:03,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:03,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:03,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:03,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:03,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:03,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:03,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:03,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:03,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:03,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:03,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:31:03,833 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:03,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:03,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:03,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:03,838 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:03,838 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:31:03,839 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:31:03,839 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:31:03,839 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:31:03,839 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:31:03,840 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:31:03,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:03,841 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:03,841 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:31:03,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:03,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:03,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:03,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:31:03,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:31:03,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:31:03,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:03,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:03,843 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:31:03,843 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:03,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:31:03,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:03,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:03,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:03,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:03,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:03,847 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:31:03,847 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 069e404bf7b01a351383c4004538ba52022db96a [2021-10-11 00:31:04,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:04,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:04,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:04,133 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:04,134 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:04,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/floats-cbmc-regression/float2.c [2021-10-11 00:31:04,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/data/7ac6c4261/78ba986c47594fa1a617347bc95a68ed/FLAGfa633b689 [2021-10-11 00:31:04,750 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:04,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/sv-benchmarks/c/floats-cbmc-regression/float2.c [2021-10-11 00:31:04,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/data/7ac6c4261/78ba986c47594fa1a617347bc95a68ed/FLAGfa633b689 [2021-10-11 00:31:05,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/data/7ac6c4261/78ba986c47594fa1a617347bc95a68ed [2021-10-11 00:31:05,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:05,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:05,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:05,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:05,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:05,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:05" (1/1) ... [2021-10-11 00:31:05,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a11561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05, skipping insertion in model container [2021-10-11 00:31:05,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:05" (1/1) ... [2021-10-11 00:31:05,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:05,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:05,323 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2021-10-11 00:31:05,324 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2021-10-11 00:31:05,327 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2021-10-11 00:31:05,329 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2021-10-11 00:31:05,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:05,350 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:05,365 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2021-10-11 00:31:05,367 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2021-10-11 00:31:05,368 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2021-10-11 00:31:05,369 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2021-10-11 00:31:05,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:05,387 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:05,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05 WrapperNode [2021-10-11 00:31:05,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:05,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:05,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:05,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:05,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05" (1/1) ... [2021-10-11 00:31:05,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05" (1/1) ... [2021-10-11 00:31:05,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:05,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:05,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:05,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:05,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05" (1/1) ... [2021-10-11 00:31:05,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05" (1/1) ... [2021-10-11 00:31:05,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05" (1/1) ... [2021-10-11 00:31:05,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05" (1/1) ... [2021-10-11 00:31:05,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05" (1/1) ... [2021-10-11 00:31:05,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05" (1/1) ... [2021-10-11 00:31:05,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05" (1/1) ... [2021-10-11 00:31:05,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:05,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:05,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:05,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:05,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8411eaa3-0f2f-4b13-b5cf-3042b2ee0c3c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:05,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:31:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:31:05,725 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:05,726 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-11 00:31:05,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:05 BoogieIcfgContainer [2021-10-11 00:31:05,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:05,729 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:31:05,729 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:31:05,732 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:31:05,733 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:31:05,733 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:31:05" (1/3) ... [2021-10-11 00:31:05,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34441118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:31:05, skipping insertion in model container [2021-10-11 00:31:05,735 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:31:05,735 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:05" (2/3) ... [2021-10-11 00:31:05,735 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34441118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:31:05, skipping insertion in model container [2021-10-11 00:31:05,735 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:31:05,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:05" (3/3) ... [2021-10-11 00:31:05,737 INFO L389 chiAutomizerObserver]: Analyzing ICFG float2.c [2021-10-11 00:31:05,782 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:31:05,782 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:31:05,782 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:31:05,782 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:05,783 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:05,783 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:31:05,783 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:05,783 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:31:05,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2021-10-11 00:31:05,813 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:31:05,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:31:05,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:31:05 BoogieIcfgContainer [2021-10-11 00:31:05,838 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:31:05,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:05,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:05,839 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:05,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:05" (3/4) ... [2021-10-11 00:31:05,843 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:31:05,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:05,845 INFO L168 Benchmark]: Toolchain (without parser) took 725.92 ms. Allocated memory is still 117.4 MB. Free memory was 84.0 MB in the beginning and 73.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:05,846 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 75.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:05,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.01 ms. Allocated memory is still 117.4 MB. Free memory was 83.8 MB in the beginning and 92.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:05,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.02 ms. Allocated memory is still 117.4 MB. Free memory was 92.4 MB in the beginning and 91.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:05,849 INFO L168 Benchmark]: Boogie Preprocessor took 18.65 ms. Allocated memory is still 117.4 MB. Free memory was 91.0 MB in the beginning and 89.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:05,850 INFO L168 Benchmark]: RCFGBuilder took 277.37 ms. Allocated memory is still 117.4 MB. Free memory was 89.8 MB in the beginning and 79.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:05,851 INFO L168 Benchmark]: BuchiAutomizer took 109.84 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 73.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:05,852 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 117.4 MB. Free memory was 73.9 MB in the beginning and 73.5 MB in the end (delta: 367.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:05,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 75.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 269.01 ms. Allocated memory is still 117.4 MB. Free memory was 83.8 MB in the beginning and 92.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.02 ms. Allocated memory is still 117.4 MB. Free memory was 92.4 MB in the beginning and 91.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.65 ms. Allocated memory is still 117.4 MB. Free memory was 91.0 MB in the beginning and 89.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 277.37 ms. Allocated memory is still 117.4 MB. Free memory was 89.8 MB in the beginning and 79.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 109.84 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 73.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.05 ms. Allocated memory is still 117.4 MB. Free memory was 73.9 MB in the beginning and 73.5 MB in the end (delta: 367.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...