./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test19.c --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/ldv-regression/test19.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 --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 7803e6cc268064256b2f537d6548202260755eda12a32948c0dafd94d7d212db --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:23:16,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:23:16,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:23:16,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:23:16,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:23:16,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:23:16,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:23:16,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:23:16,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:23:16,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:23:16,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:23:16,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:23:16,334 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:23:16,335 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:23:16,336 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:23:16,336 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:23:16,336 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:23:16,337 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:23:16,337 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:23:16,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:23:16,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:23:16,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:23:16,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:23:16,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:23:16,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:23:16,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:23:16,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:23:16,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:23:16,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:23:16,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:23:16,343 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:23:16,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:23:16,343 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:23:16,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:23:16,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:23:16,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:23:16,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:23:16,344 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:23:16,345 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:23:16,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7803e6cc268064256b2f537d6548202260755eda12a32948c0dafd94d7d212db [2024-10-13 17:23:16,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:23:16,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:23:16,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:23:16,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:23:16,566 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:23:16,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test19.c [2024-10-13 17:23:17,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:23:17,952 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:23:17,952 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test19.c [2024-10-13 17:23:17,959 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32eb222eb/49997be1ec54474bb771781f91236604/FLAG36596e043 [2024-10-13 17:23:17,968 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32eb222eb/49997be1ec54474bb771781f91236604 [2024-10-13 17:23:17,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:23:17,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:23:17,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:23:17,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:23:17,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:23:17,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:23:17" (1/1) ... [2024-10-13 17:23:17,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2c44b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:17, skipping insertion in model container [2024-10-13 17:23:17,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:23:17" (1/1) ... [2024-10-13 17:23:17,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:23:18,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:23:18,128 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:23:18,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:23:18,155 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:23:18,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18 WrapperNode [2024-10-13 17:23:18,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:23:18,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:23:18,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:23:18,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:23:18,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,189 INFO L138 Inliner]: procedures = 17, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-10-13 17:23:18,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:23:18,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:23:18,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:23:18,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:23:18,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,200 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,213 INFO L175 MemorySlicer]: Split 12 memory accesses to 5 slices as follows [2, 3, 2, 2, 3]. 25 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 1, 1, 1, 1]. The 1 writes are split as follows [0, 1, 0, 0, 0]. [2024-10-13 17:23:18,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:23:18,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:23:18,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:23:18,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:23:18,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (1/1) ... [2024-10-13 17:23:18,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:23:18,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:23:18,265 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 17:23:18,270 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 17:23:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 17:23:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 17:23:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 17:23:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 17:23:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 17:23:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 17:23:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 17:23:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 17:23:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 17:23:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 17:23:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:23:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:23:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 17:23:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 17:23:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 17:23:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 17:23:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 17:23:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 17:23:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 17:23:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 17:23:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 17:23:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 17:23:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:23:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:23:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 17:23:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 17:23:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 17:23:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 17:23:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 17:23:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 17:23:18,405 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:23:18,406 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:23:18,530 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-13 17:23:18,531 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:23:18,540 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:23:18,541 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 17:23:18,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:23:18 BoogieIcfgContainer [2024-10-13 17:23:18,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:23:18,542 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:23:18,542 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:23:18,545 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:23:18,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:23:18,546 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:23:17" (1/3) ... [2024-10-13 17:23:18,547 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40f65acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:23:18, skipping insertion in model container [2024-10-13 17:23:18,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:23:18,548 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:23:18" (2/3) ... [2024-10-13 17:23:18,548 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40f65acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:23:18, skipping insertion in model container [2024-10-13 17:23:18,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:23:18,548 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:23:18" (3/3) ... [2024-10-13 17:23:18,549 INFO L332 chiAutomizerObserver]: Analyzing ICFG test19.c [2024-10-13 17:23:18,595 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:23:18,596 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:23:18,596 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:23:18,596 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:23:18,596 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:23:18,596 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:23:18,596 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:23:18,597 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:23:18,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 17:23:18,614 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:23:18,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-13 17:23:18,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:23:18 BoogieIcfgContainer [2024-10-13 17:23:18,620 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:23:18,621 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:23:18,621 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:23:18,621 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:23:18,622 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:23:18" (3/4) ... [2024-10-13 17:23:18,623 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 17:23:18,624 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:23:18,626 INFO L158 Benchmark]: Toolchain (without parser) took 653.84ms. Allocated memory is still 155.2MB. Free memory was 105.4MB in the beginning and 68.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-10-13 17:23:18,626 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:23:18,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.36ms. Allocated memory is still 155.2MB. Free memory was 105.0MB in the beginning and 92.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 17:23:18,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.96ms. Allocated memory is still 155.2MB. Free memory was 92.8MB in the beginning and 91.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:23:18,628 INFO L158 Benchmark]: Boogie Preprocessor took 42.32ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 88.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 17:23:18,629 INFO L158 Benchmark]: RCFGBuilder took 308.30ms. Allocated memory is still 155.2MB. Free memory was 88.7MB in the beginning and 74.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 17:23:18,630 INFO L158 Benchmark]: BuchiAutomizer took 78.35ms. Allocated memory is still 155.2MB. Free memory was 74.0MB in the beginning and 68.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 17:23:18,630 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 155.2MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:23:18,634 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.36ms. Allocated memory is still 155.2MB. Free memory was 105.0MB in the beginning and 92.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.96ms. Allocated memory is still 155.2MB. Free memory was 92.8MB in the beginning and 91.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.32ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 88.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 308.30ms. Allocated memory is still 155.2MB. Free memory was 88.7MB in the beginning and 74.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 78.35ms. Allocated memory is still 155.2MB. Free memory was 74.0MB in the beginning and 68.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 155.2MB. Free memory is still 68.8MB. 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 17:23:18,659 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