./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/termination.prp --file ../../../trunk/examples/svcomp/termination-bwb/or-02.c --full-output --cacsl2boogietranslator.use.bitabs.translation false --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 514d202d 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 ../../../trunk/examples/svcomp/termination-bwb/or-02.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 7598e0946f5292d261b929b388079f7fb794bee1a1e7afaa45add76236cc5a38 --cacsl2boogietranslator.use.bitabs.translation false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-514d202-m [2024-02-09 14:18:31,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 14:18:31,992 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-02-09 14:18:31,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 14:18:31,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 14:18:32,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 14:18:32,010 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 14:18:32,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 14:18:32,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-09 14:18:32,011 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-09 14:18:32,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 14:18:32,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 14:18:32,012 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 14:18:32,013 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 14:18:32,013 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 14:18:32,013 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 14:18:32,013 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 14:18:32,014 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 14:18:32,014 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 14:18:32,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 14:18:32,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 14:18:32,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 14:18:32,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 14:18:32,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 14:18:32,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 14:18:32,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 14:18:32,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-09 14:18:32,018 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 14:18:32,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 14:18:32,019 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 14:18:32,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 14:18:32,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 14:18:32,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 14:18:32,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 14:18:32,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 14:18:32,021 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 14:18:32,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7598e0946f5292d261b929b388079f7fb794bee1a1e7afaa45add76236cc5a38 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2024-02-09 14:18:32,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 14:18:32,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 14:18:32,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 14:18:32,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-09 14:18:32,327 INFO L274 PluginConnector]: CDTParser initialized [2024-02-09 14:18:32,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-bwb/or-02.c [2024-02-09 14:18:33,443 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-09 14:18:33,453 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-02-09 14:18:33,609 INFO L384 CDTParser]: Found 1 translation units. [2024-02-09 14:18:33,611 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-bwb/or-02.c [2024-02-09 14:18:33,619 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05af20c4b/c2df658025a847058dc6627045f9ded8/FLAGf87cd566c [2024-02-09 14:18:33,633 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05af20c4b/c2df658025a847058dc6627045f9ded8 [2024-02-09 14:18:33,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 14:18:33,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-02-09 14:18:33,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-09 14:18:33,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-09 14:18:33,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-09 14:18:33,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c032f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33, skipping insertion in model container [2024-02-09 14:18:33,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,661 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-09 14:18:33,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:18:33,824 INFO L202 MainTranslator]: Completed pre-run [2024-02-09 14:18:33,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-09 14:18:33,845 INFO L206 MainTranslator]: Completed translation [2024-02-09 14:18:33,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33 WrapperNode [2024-02-09 14:18:33,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-09 14:18:33,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 14:18:33,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 14:18:33,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 14:18:33,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,871 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2024-02-09 14:18:33,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 14:18:33,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 14:18:33,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 14:18:33,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 14:18:33,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,883 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,887 INFO L175 MemorySlicer]: No memory access in input program. [2024-02-09 14:18:33,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 14:18:33,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 14:18:33,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 14:18:33,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 14:18:33,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (1/1) ... [2024-02-09 14:18:33,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:33,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:33,932 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) [2024-02-09 14:18:33,937 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 [2024-02-09 14:18:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 14:18:33,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 14:18:34,031 INFO L241 CfgBuilder]: Building ICFG [2024-02-09 14:18:34,033 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 14:18:34,099 INFO L282 CfgBuilder]: Performing block encoding [2024-02-09 14:18:34,106 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 14:18:34,106 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-09 14:18:34,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:34 BoogieIcfgContainer [2024-02-09 14:18:34,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 14:18:34,122 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 14:18:34,123 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 14:18:34,125 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 14:18:34,126 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:34,127 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.02 02:18:33" (1/3) ... [2024-02-09 14:18:34,128 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@469aee33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:18:34, skipping insertion in model container [2024-02-09 14:18:34,128 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:34,128 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 02:18:33" (2/3) ... [2024-02-09 14:18:34,130 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@469aee33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 02:18:34, skipping insertion in model container [2024-02-09 14:18:34,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 14:18:34,131 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:34" (3/3) ... [2024-02-09 14:18:34,132 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-02.c [2024-02-09 14:18:34,178 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 14:18:34,178 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 14:18:34,178 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 14:18:34,178 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 14:18:34,179 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 14:18:34,179 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 14:18:34,179 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 14:18:34,179 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 14:18:34,182 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) [2024-02-09 14:18:34,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-02-09 14:18:34,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:18:34,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:18:34,198 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-02-09 14:18:34,198 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-02-09 14:18:34,198 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 14:18:34,199 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) [2024-02-09 14:18:34,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-02-09 14:18:34,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 14:18:34,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 14:18:34,200 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-02-09 14:18:34,200 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-02-09 14:18:34,205 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~ret1#1, main_~b~0#1, main_~x~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2#L19-2true [2024-02-09 14:18:34,205 INFO L750 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~x~0#1 > 0);main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2#L19-2true [2024-02-09 14:18:34,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:34,209 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-02-09 14:18:34,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:34,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452223432] [2024-02-09 14:18:34,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:34,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:34,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:34,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:34,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:34,287 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2024-02-09 14:18:34,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:34,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945794483] [2024-02-09 14:18:34,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:34,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:34,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:34,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:34,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 14:18:34,299 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-02-09 14:18:34,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 14:18:34,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196935852] [2024-02-09 14:18:34,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 14:18:34,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 14:18:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:34,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 14:18:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 14:18:34,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 14:18:34,362 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 14:18:34,362 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 14:18:34,362 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 14:18:34,363 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 14:18:34,363 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-09 14:18:34,363 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:34,363 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 14:18:34,363 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 14:18:34,363 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02.c_Iteration1_Lasso [2024-02-09 14:18:34,363 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 14:18:34,364 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 14:18:34,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:34,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:34,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 14:18:34,466 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 14:18:34,467 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-09 14:18:34,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:34,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:34,480 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2024-02-09 14:18:34,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:34,492 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:34,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-02-09 14:18:34,516 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:34,517 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:34,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:34,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:34,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:34,539 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-02-09 14:18:34,569 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:34,569 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:34,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-02-09 14:18:34,592 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:34,593 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-09 14:18:34,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:34,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:34,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:34,601 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-02-09 14:18:34,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-09 14:18:34,639 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:34,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-02-09 14:18:34,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:34,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 14:18:34,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 14:18:34,695 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-02-09 14:18:34,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-09 14:18:34,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-09 14:18:34,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-02-09 14:18:34,868 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-09 14:18:34,868 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_#t~ret1#1=0, ULTIMATE.start_main_~b~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_#t~ret1#1=-4, ULTIMATE.start_main_~b~0#1=30} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=4, ULTIMATE.start_main_#t~ret1#1=-32, ULTIMATE.start_main_~b~0#1=-3}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_#t~ret1#1=0, ULTIMATE.start_main_~b~0#1=-5}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_#t~ret1#1=0, ULTIMATE.start_main_~b~0#1=-26}] Lambdas: [9, 0, 0] Nus: [1, 0] [2024-02-09 14:18:34,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-09 14:18:34,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 02:18:34 BoogieIcfgContainer [2024-02-09 14:18:34,880 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 14:18:34,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-02-09 14:18:34,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-02-09 14:18:34,881 INFO L274 PluginConnector]: Witness Printer initialized [2024-02-09 14:18:34,881 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:18:34" (3/4) ... [2024-02-09 14:18:34,882 INFO L140 WitnessPrinter]: No result that supports witness generation found [2024-02-09 14:18:34,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-02-09 14:18:34,886 INFO L158 Benchmark]: Toolchain (without parser) took 1246.08ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 91.3MB in the beginning and 167.3MB in the end (delta: -76.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-02-09 14:18:34,886 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 146.8MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-09 14:18:34,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.50ms. Allocated memory is still 146.8MB. Free memory was 91.1MB in the beginning and 81.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-09 14:18:34,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.84ms. Allocated memory is still 146.8MB. Free memory was 81.5MB in the beginning and 80.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:18:34,889 INFO L158 Benchmark]: Boogie Preprocessor took 24.75ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:18:34,889 INFO L158 Benchmark]: RCFGBuilder took 223.31ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 78.7MB in the beginning and 196.7MB in the end (delta: -118.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-02-09 14:18:34,893 INFO L158 Benchmark]: BuchiAutomizer took 757.70ms. Allocated memory is still 226.5MB. Free memory was 196.7MB in the beginning and 168.4MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-02-09 14:18:34,893 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 226.5MB. Free memory was 168.4MB in the beginning and 167.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-09 14:18:34,898 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 146.8MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.50ms. Allocated memory is still 146.8MB. Free memory was 91.1MB in the beginning and 81.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.84ms. Allocated memory is still 146.8MB. Free memory was 81.5MB 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 24.75ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 223.31ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 78.7MB in the beginning and 196.7MB in the end (delta: -118.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 757.70ms. Allocated memory is still 226.5MB. Free memory was 196.7MB in the beginning and 168.4MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 226.5MB. Free memory was 168.4MB in the beginning and 167.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq193 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: b|(b+1) [20] (Reason bitwise operation) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~ret1#1, main_~b~0#1, main_~x~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~b~0#1 := 30;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" Loop: "assume !!(main_~x~0#1 > 0);main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1;main_~x~0#1 := main_~x~0#1 - main_~b~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2024-02-09 14:18:34,913 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN