./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i -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 --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 a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:22:22,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:22:22,972 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:22:22,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:22:22,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:22:23,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:22:23,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:22:23,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:22:23,003 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:22:23,003 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:22:23,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:22:23,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:22:23,005 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:22:23,005 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:22:23,006 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:22:23,007 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:22:23,007 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:22:23,007 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:22:23,007 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:22:23,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:22:23,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:22:23,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:22:23,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:22:23,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:22:23,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:22:23,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:22:23,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:22:23,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:22:23,011 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:22:23,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:22:23,012 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:22:23,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:22:23,012 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:22:23,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:22:23,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:22:23,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:22:23,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:22:23,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:22:23,013 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:22:23,013 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2024-10-13 17:22:23,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:22:23,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:22:23,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:22:23,248 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:22:23,248 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:22:23,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i [2024-10-13 17:22:24,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:22:24,819 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:22:24,820 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i [2024-10-13 17:22:24,826 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/badd35cf9/0b5075442ac5404a9435f473a77201a4/FLAG1e7367dbe [2024-10-13 17:22:25,227 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/badd35cf9/0b5075442ac5404a9435f473a77201a4 [2024-10-13 17:22:25,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:22:25,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:22:25,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:22:25,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:22:25,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:22:25,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b915a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25, skipping insertion in model container [2024-10-13 17:22:25,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:22:25,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:22:25,428 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:22:25,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:22:25,466 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:22:25,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25 WrapperNode [2024-10-13 17:22:25,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:22:25,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:22:25,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:22:25,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:22:25,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,513 INFO L138 Inliner]: procedures = 21, calls = 84, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 276 [2024-10-13 17:22:25,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:22:25,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:22:25,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:22:25,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:22:25,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,536 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,557 INFO L175 MemorySlicer]: Split 74 memory accesses to 9 slices as follows [2, 2, 5, 5, 16, 2, 7, 7, 28]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0]. The 44 writes are split as follows [0, 1, 4, 4, 12, 1, 5, 5, 12]. [2024-10-13 17:22:25,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:22:25,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:22:25,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:22:25,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:22:25,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (1/1) ... [2024-10-13 17:22:25,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:22:25,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:22:25,697 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) [2024-10-13 17:22:25,704 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 [2024-10-13 17:22:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:22:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:22:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 17:22:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 17:22:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 17:22:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 17:22:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 17:22:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-13 17:22:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-13 17:22:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-13 17:22:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 17:22:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-13 17:22:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-13 17:22:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-13 17:22:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-13 17:22:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-13 17:22:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-13 17:22:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-13 17:22:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-13 17:22:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-13 17:22:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 17:22:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 17:22:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 17:22:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 17:22:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 17:22:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:22:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:22:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 17:22:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 17:22:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 17:22:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 17:22:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 17:22:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 17:22:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-13 17:22:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-13 17:22:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-13 17:22:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 17:22:25,864 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:22:25,865 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:22:26,174 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-10-13 17:22:26,175 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:22:26,193 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:22:26,193 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 17:22:26,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:22:26 BoogieIcfgContainer [2024-10-13 17:22:26,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:22:26,194 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:22:26,194 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:22:26,200 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:22:26,201 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:22:26,201 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:22:25" (1/3) ... [2024-10-13 17:22:26,202 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16fd6aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:22:26, skipping insertion in model container [2024-10-13 17:22:26,202 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:22:26,202 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:25" (2/3) ... [2024-10-13 17:22:26,203 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16fd6aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:22:26, skipping insertion in model container [2024-10-13 17:22:26,203 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:22:26,203 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:22:26" (3/3) ... [2024-10-13 17:22:26,204 INFO L332 chiAutomizerObserver]: Analyzing ICFG float22.i [2024-10-13 17:22:26,247 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:22:26,248 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:22:26,248 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:22:26,248 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:22:26,248 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:22:26,248 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:22:26,248 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:22:26,248 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:22:26,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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) [2024-10-13 17:22:26,269 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:22:26,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-13 17:22:26,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:22:26 BoogieIcfgContainer [2024-10-13 17:22:26,274 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:22:26,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:22:26,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:22:26,278 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:22:26,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:22:26" (3/4) ... [2024-10-13 17:22:26,280 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 17:22:26,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:22:26,287 INFO L158 Benchmark]: Toolchain (without parser) took 1051.24ms. Allocated memory is still 218.1MB. Free memory was 149.6MB in the beginning and 152.6MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:22:26,287 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 109.1MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:22:26,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.12ms. Allocated memory is still 218.1MB. Free memory was 149.4MB in the beginning and 136.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 17:22:26,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.46ms. Allocated memory is still 218.1MB. Free memory was 136.2MB in the beginning and 133.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:22:26,288 INFO L158 Benchmark]: Boogie Preprocessor took 105.86ms. Allocated memory is still 218.1MB. Free memory was 133.7MB in the beginning and 189.1MB in the end (delta: -55.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-10-13 17:22:26,289 INFO L158 Benchmark]: RCFGBuilder took 569.05ms. Allocated memory is still 218.1MB. Free memory was 189.1MB in the beginning and 158.8MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-13 17:22:26,289 INFO L158 Benchmark]: BuchiAutomizer took 79.40ms. Allocated memory is still 218.1MB. Free memory was 158.8MB in the beginning and 152.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 17:22:26,289 INFO L158 Benchmark]: Witness Printer took 7.13ms. Allocated memory is still 218.1MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:22:26,295 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 109.1MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.12ms. Allocated memory is still 218.1MB. Free memory was 149.4MB in the beginning and 136.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.46ms. Allocated memory is still 218.1MB. Free memory was 136.2MB in the beginning and 133.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.86ms. Allocated memory is still 218.1MB. Free memory was 133.7MB in the beginning and 189.1MB in the end (delta: -55.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * RCFGBuilder took 569.05ms. Allocated memory is still 218.1MB. Free memory was 189.1MB in the beginning and 158.8MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 79.40ms. Allocated memory is still 218.1MB. Free memory was 158.8MB in the beginning and 152.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 7.13ms. Allocated memory is still 218.1MB. Free memory is still 152.6MB. 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! [2024-10-13 17:22:26,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE