./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float12.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:04:17,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:04:17,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:04:17,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:04:17,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:04:17,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:04:17,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:04:17,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:04:17,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:04:17,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:04:17,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:04:17,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:04:17,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:04:17,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:04:17,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:04:17,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:04:17,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:04:17,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:04:17,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:04:17,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:04:17,138 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:04:17,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:04:17,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:04:17,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:04:17,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:04:17,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:04:17,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:04:17,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:04:17,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:04:17,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:04:17,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:04:17,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:04:17,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:04:17,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:04:17,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:04:17,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:04:17,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:04:17,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:04:17,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:04:17,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:04:17,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:04:17,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:04:17,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:04:17,180 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:04:17,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:04:17,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:04:17,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:04:17,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:04:17,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:04:17,187 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:04:17,187 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:04:17,187 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:04:17,187 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:04:17,187 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:04:17,188 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:04:17,188 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:04:17,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:04:17,188 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:04:17,188 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:04:17,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:04:17,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:04:17,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:04:17,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:04:17,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:04:17,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:04:17,194 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:04:17,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:04:17,195 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:04:17,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:04:17,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:04:17,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:04:17,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:04:17,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:04:17,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:04:17,198 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:04:17,198 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba [2022-07-23 15:04:17,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:04:17,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:04:17,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:04:17,440 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:04:17,440 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:04:17,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float12.c [2022-07-23 15:04:17,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6689ed6b/9130727434124097b3c96222ecc23307/FLAG98907ae44 [2022-07-23 15:04:17,823 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:04:17,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float12.c [2022-07-23 15:04:17,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6689ed6b/9130727434124097b3c96222ecc23307/FLAG98907ae44 [2022-07-23 15:04:18,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6689ed6b/9130727434124097b3c96222ecc23307 [2022-07-23 15:04:18,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:04:18,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:04:18,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:04:18,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:04:18,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:04:18,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c182b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18, skipping insertion in model container [2022-07-23 15:04:18,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:04:18,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:04:18,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2022-07-23 15:04:18,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:04:18,423 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:04:18,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2022-07-23 15:04:18,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:04:18,449 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:04:18,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18 WrapperNode [2022-07-23 15:04:18,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:04:18,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:04:18,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:04:18,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:04:18,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,481 INFO L137 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-07-23 15:04:18,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:04:18,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:04:18,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:04:18,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:04:18,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:04:18,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:04:18,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:04:18,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:04:18,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18" (1/1) ... [2022-07-23 15:04:18,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:04:18,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:04:18,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:04:18,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 15:04:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:04:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:04:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:04:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:04:18,617 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:04:18,618 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:04:18,676 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:04:18,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:04:18,681 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 15:04:18,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:04:18 BoogieIcfgContainer [2022-07-23 15:04:18,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:04:18,683 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:04:18,683 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:04:18,685 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:04:18,686 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:04:18,686 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:04:18" (1/3) ... [2022-07-23 15:04:18,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b54e8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:04:18, skipping insertion in model container [2022-07-23 15:04:18,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:04:18,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:18" (2/3) ... [2022-07-23 15:04:18,688 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b54e8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:04:18, skipping insertion in model container [2022-07-23 15:04:18,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:04:18,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:04:18" (3/3) ... [2022-07-23 15:04:18,689 INFO L354 chiAutomizerObserver]: Analyzing ICFG float12.c [2022-07-23 15:04:18,734 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:04:18,734 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:04:18,734 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:04:18,734 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:04:18,734 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:04:18,735 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:04:18,735 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:04:18,735 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:04:18,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:04:18,752 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:04:18,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 15:04:18,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:04:18 BoogieIcfgContainer [2022-07-23 15:04:18,757 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:04:18,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:04:18,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:04:18,758 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:04:18,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:04:18" (3/4) ... [2022-07-23 15:04:18,761 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 15:04:18,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:04:18,763 INFO L158 Benchmark]: Toolchain (without parser) took 496.62ms. Allocated memory is still 107.0MB. Free memory was 64.0MB in the beginning and 65.1MB in the end (delta: -1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:04:18,763 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory was 80.6MB in the beginning and 80.5MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:04:18,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.19ms. Allocated memory is still 107.0MB. Free memory was 63.8MB in the beginning and 81.4MB in the end (delta: -17.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 15:04:18,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.61ms. Allocated memory is still 107.0MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:04:18,766 INFO L158 Benchmark]: Boogie Preprocessor took 16.76ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 79.2MB in the end (delta: 864.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:04:18,766 INFO L158 Benchmark]: RCFGBuilder took 180.52ms. Allocated memory is still 107.0MB. Free memory was 79.2MB in the beginning and 70.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 15:04:18,767 INFO L158 Benchmark]: BuchiAutomizer took 74.03ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 65.5MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-23 15:04:18,767 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 65.1MB in the end (delta: 407.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:04:18,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory was 80.6MB in the beginning and 80.5MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.19ms. Allocated memory is still 107.0MB. Free memory was 63.8MB in the beginning and 81.4MB in the end (delta: -17.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.61ms. Allocated memory is still 107.0MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.76ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 79.2MB in the end (delta: 864.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 180.52ms. Allocated memory is still 107.0MB. Free memory was 79.2MB in the beginning and 70.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 74.03ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 65.5MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 65.1MB in the end (delta: 407.4kB). There was no memory consumed. Max. memory is 16.1GB. * 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: 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-23 15:04:18,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE