./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted/4NestedWith3Variables-1.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 b39ec4b52f8da315ff57d8e97152c727a55203720ed4bc216d0daa6b94e35d48 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:55:04,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:55:04,078 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-13 16:55:04,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:55:04,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:55:04,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:55:04,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:55:04,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:55:04,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:55:04,104 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:55:04,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:55:04,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:55:04,105 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:55:04,105 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 16:55:04,105 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 16:55:04,106 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 16:55:04,106 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 16:55:04,106 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 16:55:04,106 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 16:55:04,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:55:04,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 16:55:04,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:55:04,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:55:04,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 16:55:04,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 16:55:04,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 16:55:04,112 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:55:04,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:55:04,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:55:04,112 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 16:55:04,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:55:04,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:55:04,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:55:04,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:55:04,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:55:04,114 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 16:55:04,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b39ec4b52f8da315ff57d8e97152c727a55203720ed4bc216d0daa6b94e35d48 [2024-10-13 16:55:04,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:55:04,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:55:04,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:55:04,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:55:04,357 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:55:04,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2024-10-13 16:55:05,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:55:05,750 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:55:05,751 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2024-10-13 16:55:05,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf83cae32/21e3b61cea444cb08c1a5653ea119a1a/FLAGa39de3f29 [2024-10-13 16:55:05,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf83cae32/21e3b61cea444cb08c1a5653ea119a1a [2024-10-13 16:55:05,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:55:05,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:55:05,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:55:05,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:55:05,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:55:05,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249154ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05, skipping insertion in model container [2024-10-13 16:55:05,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:55:05,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:55:05,919 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:55:05,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:55:05,941 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:55:05,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05 WrapperNode [2024-10-13 16:55:05,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:55:05,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:55:05,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:55:05,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:55:05,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,965 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-10-13 16:55:05,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:55:05,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:55:05,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:55:05,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:55:05,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,979 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:55:05,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:55:05,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:55:05,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:55:05,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:55:05,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (1/1) ... [2024-10-13 16:55:05,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:06,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:06,024 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 16:55:06,026 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 16:55:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:55:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:55:06,158 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:55:06,163 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:55:06,243 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-10-13 16:55:06,243 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:55:06,252 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:55:06,253 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 16:55:06,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:55:06 BoogieIcfgContainer [2024-10-13 16:55:06,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:55:06,254 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 16:55:06,254 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 16:55:06,257 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 16:55:06,257 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:55:06,257 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 04:55:05" (1/3) ... [2024-10-13 16:55:06,258 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18d99f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 04:55:06, skipping insertion in model container [2024-10-13 16:55:06,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:55:06,258 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:55:05" (2/3) ... [2024-10-13 16:55:06,258 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18d99f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 04:55:06, skipping insertion in model container [2024-10-13 16:55:06,259 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:55:06,259 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:55:06" (3/3) ... [2024-10-13 16:55:06,260 INFO L332 chiAutomizerObserver]: Analyzing ICFG 4NestedWith3Variables-1.c [2024-10-13 16:55:06,326 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 16:55:06,327 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 16:55:06,327 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 16:55:06,327 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 16:55:06,327 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 16:55:06,328 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 16:55:06,328 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 16:55:06,328 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 16:55:06,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:55:06,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-13 16:55:06,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:55:06,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:55:06,352 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-13 16:55:06,352 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-13 16:55:06,352 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 16:55:06,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 16:55:06,353 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-13 16:55:06,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:55:06,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:55:06,353 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-13 16:55:06,353 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-13 16:55:06,360 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~a~0#1, main_~b~0#1, main_~q~0#1, main_~olda~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~q~0#1;havoc main_~olda~0#1;havoc main_#t~nondet0#1;main_~q~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L23true assume !!(-524287 <= main_~q~0#1 && main_~q~0#1 <= 524287); 9#L24true assume !!(-524287 <= main_~a~0#1 && main_~a~0#1 <= 524287); 5#L25true assume !!(-524287 <= main_~b~0#1 && main_~b~0#1 <= 524287); 4#L26-2true [2024-10-13 16:55:06,360 INFO L747 eck$LassoCheckResult]: Loop: 4#L26-2true assume !!(main_~q~0#1 > 0);main_~q~0#1 := main_~q~0#1 + main_~a~0#1 - 1;main_~olda~0#1 := main_~a~0#1;main_~a~0#1 := 3 * main_~olda~0#1 - 4 * main_~b~0#1;main_~b~0#1 := 4 * main_~olda~0#1 + 3 * main_~b~0#1; 4#L26-2true [2024-10-13 16:55:06,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:55:06,365 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2024-10-13 16:55:06,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:55:06,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427545741] [2024-10-13 16:55:06,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:55:06,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:55:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:55:06,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:55:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:55:06,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:55:06,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:55:06,481 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2024-10-13 16:55:06,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:55:06,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490901338] [2024-10-13 16:55:06,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:55:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:55:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:55:06,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:55:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:55:06,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:55:06,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:55:06,509 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2024-10-13 16:55:06,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:55:06,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325940625] [2024-10-13 16:55:06,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:55:06,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:55:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:55:06,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:55:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:55:06,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:55:06,658 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:55:06,659 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:55:06,659 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:55:06,659 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:55:06,659 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:55:06,660 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:06,660 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:55:06,660 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:55:06,660 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2024-10-13 16:55:06,661 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:55:06,661 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:55:06,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:55:06,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:55:06,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:55:06,777 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:55:06,778 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:55:06,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:06,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:06,781 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) [2024-10-13 16:55:06,783 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 [2024-10-13 16:55:06,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:55:06,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:55:06,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-13 16:55:06,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:06,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:06,820 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) [2024-10-13 16:55:06,821 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 [2024-10-13 16:55:06,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:55:06,823 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:55:07,116 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:55:07,121 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 [2024-10-13 16:55:07,121 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:55:07,122 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:55:07,122 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:55:07,122 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:55:07,122 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:55:07,122 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,122 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:55:07,122 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:55:07,122 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2024-10-13 16:55:07,122 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:55:07,122 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:55:07,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:55:07,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:55:07,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:55:07,188 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:55:07,192 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:55:07,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:07,194 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) [2024-10-13 16:55:07,195 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 [2024-10-13 16:55:07,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:55:07,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:55:07,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:55:07,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:55:07,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:55:07,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:55:07,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:55:07,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:55:07,216 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:55:07,227 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 [2024-10-13 16:55:07,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:07,229 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) [2024-10-13 16:55:07,230 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 [2024-10-13 16:55:07,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:55:07,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:55:07,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:55:07,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:55:07,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:55:07,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:55:07,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:55:07,250 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:55:07,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-13 16:55:07,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:07,264 INFO L229 MonitoredProcess]: Starting monitored process 6 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 16:55:07,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-13 16:55:07,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:55:07,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:55:07,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:55:07,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:55:07,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:55:07,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:55:07,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:55:07,280 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:55:07,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-13 16:55:07,294 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-13 16:55:07,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:07,302 INFO L229 MonitoredProcess]: Starting monitored process 7 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 16:55:07,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-13 16:55:07,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:55:07,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:55:07,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:55:07,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:55:07,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:55:07,316 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 16:55:07,318 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-13 16:55:07,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:55:07,321 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:55:07,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-13 16:55:07,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:07,335 INFO L229 MonitoredProcess]: Starting monitored process 8 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 16:55:07,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-13 16:55:07,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:55:07,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:55:07,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:55:07,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:55:07,347 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 16:55:07,349 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-13 16:55:07,349 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-13 16:55:07,354 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:55:07,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-13 16:55:07,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:07,367 INFO L229 MonitoredProcess]: Starting monitored process 9 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 16:55:07,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-13 16:55:07,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:55:07,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:55:07,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:55:07,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:55:07,379 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 16:55:07,381 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-13 16:55:07,382 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-13 16:55:07,385 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:55:07,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-13 16:55:07,398 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-10-13 16:55:07,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:07,400 INFO L229 MonitoredProcess]: Starting monitored process 10 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 16:55:07,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-13 16:55:07,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:55:07,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:55:07,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:55:07,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:55:07,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:55:07,413 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 16:55:07,415 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 16:55:07,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:55:07,419 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:55:07,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-13 16:55:07,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:07,432 INFO L229 MonitoredProcess]: Starting monitored process 11 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 16:55:07,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-13 16:55:07,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:55:07,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:55:07,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:55:07,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:55:07,447 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 16:55:07,449 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-13 16:55:07,449 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-13 16:55:07,454 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:55:07,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-13 16:55:07,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:07,467 INFO L229 MonitoredProcess]: Starting monitored process 12 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 16:55:07,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-13 16:55:07,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:55:07,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:55:07,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:55:07,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:55:07,480 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 16:55:07,483 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-13 16:55:07,483 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-13 16:55:07,488 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:55:07,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-13 16:55:07,500 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-10-13 16:55:07,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:07,501 INFO L229 MonitoredProcess]: Starting monitored process 13 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 16:55:07,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-13 16:55:07,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:55:07,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:55:07,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:55:07,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:55:07,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:55:07,514 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-13 16:55:07,517 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-13 16:55:07,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:55:07,523 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:55:07,538 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-10-13 16:55:07,538 INFO L444 ModelExtractionUtils]: 4 out of 17 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-10-13 16:55:07,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:55:07,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:55:07,566 INFO L229 MonitoredProcess]: Starting monitored process 14 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 16:55:07,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-13 16:55:07,568 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:55:07,569 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:55:07,569 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:55:07,569 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 4-nested ranking function: f0 = -8*ULTIMATE.start_main_~a~0#1 - 16*ULTIMATE.start_main_~b~0#1 + 80*ULTIMATE.start_main_~q~0#1 f1 = 2*ULTIMATE.start_main_~a~0#1 - 4*ULTIMATE.start_main_~b~0#1 + 4*ULTIMATE.start_main_~q~0#1 f2 = 1*ULTIMATE.start_main_~a~0#1 f3 = 1*ULTIMATE.start_main_~q~0#1 Supporting invariants [] [2024-10-13 16:55:07,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-13 16:55:07,586 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:55:07,593 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-13 16:55:07,594 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-13 16:55:07,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:55:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:55:07,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:55:07,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:55:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:55:07,655 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 16:55:07,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:55:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:55:07,688 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-13 16:55:07,690 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 16:55:07,723 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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). Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Result 18 states and 22 transitions. Complement of second has 4 states. [2024-10-13 16:55:07,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-13 16:55:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 16:55:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2024-10-13 16:55:07,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 1 letters. [2024-10-13 16:55:07,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:55:07,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 6 letters. Loop has 1 letters. [2024-10-13 16:55:07,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:55:07,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-13 16:55:07,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:55:07,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2024-10-13 16:55:07,734 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 16:55:07,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2024-10-13 16:55:07,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-13 16:55:07,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-13 16:55:07,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-13 16:55:07,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 16:55:07,736 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:55:07,736 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:55:07,736 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:55:07,737 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 16:55:07,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-13 16:55:07,737 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 16:55:07,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-13 16:55:07,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 04:55:07 BoogieIcfgContainer [2024-10-13 16:55:07,742 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 16:55:07,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:55:07,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:55:07,743 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:55:07,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:55:06" (3/4) ... [2024-10-13 16:55:07,744 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:55:07,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:55:07,746 INFO L158 Benchmark]: Toolchain (without parser) took 1975.13ms. Allocated memory is still 184.5MB. Free memory was 118.3MB in the beginning and 80.3MB in the end (delta: 38.0MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2024-10-13 16:55:07,746 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:55:07,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.96ms. Allocated memory is still 184.5MB. Free memory was 118.1MB in the beginning and 106.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 16:55:07,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.96ms. Allocated memory is still 184.5MB. Free memory was 106.9MB in the beginning and 105.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:55:07,747 INFO L158 Benchmark]: Boogie Preprocessor took 24.09ms. Allocated memory is still 184.5MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:55:07,747 INFO L158 Benchmark]: RCFGBuilder took 262.62ms. Allocated memory is still 184.5MB. Free memory was 104.0MB in the beginning and 153.0MB in the end (delta: -48.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-10-13 16:55:07,747 INFO L158 Benchmark]: BuchiAutomizer took 1488.38ms. Allocated memory is still 184.5MB. Free memory was 152.2MB in the beginning and 80.9MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-10-13 16:55:07,748 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 184.5MB. Free memory was 80.9MB in the beginning and 80.3MB in the end (delta: 610.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:55:07,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.96ms. Allocated memory is still 184.5MB. Free memory was 118.1MB in the beginning and 106.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.96ms. Allocated memory is still 184.5MB. Free memory was 106.9MB in the beginning and 105.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.09ms. Allocated memory is still 184.5MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 262.62ms. Allocated memory is still 184.5MB. Free memory was 104.0MB in the beginning and 153.0MB in the end (delta: -48.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1488.38ms. Allocated memory is still 184.5MB. Free memory was 152.2MB in the beginning and 80.9MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 184.5MB. Free memory was 80.9MB in the beginning and 80.3MB in the end (delta: 610.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 4-nested ranking function null, null and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax139 hnf100 lsp71 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq193 hnf94 smp100 dnf100 smp100 tf103 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 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 16:55:07,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-13 16:55:07,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE