./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/sum04-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/sum04-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:02:49,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:02:49,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:02:49,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:02:49,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:02:49,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:02:49,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:02:49,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:02:49,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:02:49,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:02:49,255 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:02:49,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:02:49,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:02:49,259 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:02:49,260 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:02:49,260 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:02:49,260 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:02:49,261 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:02:49,261 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:02:49,261 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:02:49,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:02:49,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:02:49,263 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:02:49,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:02:49,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:02:49,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:02:49,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:02:49,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:02:49,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:02:49,265 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:02:49,265 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:02:49,265 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:02:49,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:02:49,266 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:02:49,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:02:49,266 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:02:49,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:02:49,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:02:49,267 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:02:49,267 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:02:49,268 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312 [2024-11-10 23:02:49,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:02:49,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:02:49,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:02:49,555 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:02:49,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:02:49,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum04-1.i [2024-11-10 23:02:51,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:02:51,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:02:51,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum04-1.i [2024-11-10 23:02:51,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6fc903f/dc08ef2450674e30812521726e1ac935/FLAGa27009460 [2024-11-10 23:02:51,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6fc903f/dc08ef2450674e30812521726e1ac935 [2024-11-10 23:02:51,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:02:51,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:02:51,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:02:51,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:02:51,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:02:51,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198ef4b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51, skipping insertion in model container [2024-11-10 23:02:51,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:02:51,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:02:51,447 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:02:51,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:02:51,478 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:02:51,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51 WrapperNode [2024-11-10 23:02:51,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:02:51,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:02:51,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:02:51,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:02:51,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,509 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 28 [2024-11-10 23:02:51,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:02:51,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:02:51,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:02:51,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:02:51,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,520 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,531 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 23:02:51,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:02:51,538 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:02:51,538 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:02:51,539 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:02:51,539 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (1/1) ... [2024-11-10 23:02:51,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:51,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:51,578 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) [2024-11-10 23:02:51,581 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 [2024-11-10 23:02:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:02:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:02:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:02:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:02:51,693 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:02:51,695 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:02:51,803 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-10 23:02:51,804 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:02:51,817 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:02:51,818 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:02:51,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:02:51 BoogieIcfgContainer [2024-11-10 23:02:51,819 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:02:51,820 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:02:51,820 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:02:51,824 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:02:51,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:02:51,827 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:02:51" (1/3) ... [2024-11-10 23:02:51,827 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b6a1ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:02:51, skipping insertion in model container [2024-11-10 23:02:51,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:02:51,828 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51" (2/3) ... [2024-11-10 23:02:51,828 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b6a1ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:02:51, skipping insertion in model container [2024-11-10 23:02:51,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:02:51,828 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:02:51" (3/3) ... [2024-11-10 23:02:51,830 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum04-1.i [2024-11-10 23:02:51,894 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:02:51,895 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:02:51,895 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:02:51,895 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:02:51,895 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:02:51,895 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:02:51,896 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:02:51,896 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:02:51,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2024-11-10 23:02:51,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 23:02:51,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:51,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:51,925 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:02:51,925 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 23:02:51,925 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:02:51,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2024-11-10 23:02:51,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 23:02:51,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:51,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:51,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:02:51,929 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 23:02:51,937 INFO L745 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 11#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_~i~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 14#L24true [2024-11-10 23:02:51,938 INFO L747 eck$LassoCheckResult]: Loop: 14#L24true assume true; 5#L24-2true assume !!(main_~i~0#1 <= 8); 7#L25true assume main_~i~0#1 < 4;main_~sn~0#1 := 2 + main_~sn~0#1; 9#L24-1true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 14#L24true [2024-11-10 23:02:51,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:51,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1536, now seen corresponding path program 1 times [2024-11-10 23:02:51,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:51,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416672272] [2024-11-10 23:02:51,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:51,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:52,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:52,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:52,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:52,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1384191, now seen corresponding path program 1 times [2024-11-10 23:02:52,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:52,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286918985] [2024-11-10 23:02:52,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:52,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:52,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:52,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:52,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:52,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1418988926, now seen corresponding path program 1 times [2024-11-10 23:02:52,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:52,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893965618] [2024-11-10 23:02:52,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:52,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:52,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:52,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:52,281 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:02:52,282 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:02:52,282 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:02:52,282 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:02:52,282 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 23:02:52,282 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:52,282 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:02:52,282 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:02:52,282 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration1_Loop [2024-11-10 23:02:52,282 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:02:52,283 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:02:52,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:52,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:52,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:52,374 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:02:52,375 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 23:02:52,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:52,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:52,379 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) [2024-11-10 23:02:52,381 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 [2024-11-10 23:02:52,382 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 23:02:52,383 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 23:02:52,401 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 23:02:52,402 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 23:02:52,415 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 [2024-11-10 23:02:52,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:52,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:52,417 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) [2024-11-10 23:02:52,418 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 [2024-11-10 23:02:52,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 23:02:52,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 23:02:52,443 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 [2024-11-10 23:02:52,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:52,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:52,446 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) [2024-11-10 23:02:52,448 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 [2024-11-10 23:02:52,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 23:02:52,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 23:02:52,484 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 23:02:52,485 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0#1=0} Honda state: {ULTIMATE.start_main_~sn~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0#1=-1}, {ULTIMATE.start_main_~sn~0#1=4}, {ULTIMATE.start_main_~sn~0#1=-1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-11-10 23:02:52,498 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 [2024-11-10 23:02:52,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:52,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:52,500 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) [2024-11-10 23:02:52,501 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 [2024-11-10 23:02:52,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 23:02:52,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 23:02:52,526 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 [2024-11-10 23:02:52,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:52,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:52,527 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) [2024-11-10 23:02:52,528 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 [2024-11-10 23:02:52,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 23:02:52,529 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 23:02:52,561 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 23:02:52,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:52,566 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:02:52,567 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:02:52,567 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:02:52,567 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:02:52,567 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:02:52,567 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:52,567 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:02:52,567 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:02:52,567 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration1_Loop [2024-11-10 23:02:52,567 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:02:52,568 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:02:52,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:52,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:52,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:52,639 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:02:52,643 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:02:52,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:52,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:52,648 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) [2024-11-10 23:02:52,652 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 [2024-11-10 23:02:52,653 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 [2024-11-10 23:02:52,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:52,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:52,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:52,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:52,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:52,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:52,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:52,670 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:52,686 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 [2024-11-10 23:02:52,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:52,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:52,689 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) [2024-11-10 23:02:52,691 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 [2024-11-10 23:02:52,692 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 [2024-11-10 23:02:52,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:52,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:52,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:52,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:52,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:52,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:52,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:52,712 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:52,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:52,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:52,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:52,726 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) [2024-11-10 23:02:52,727 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 [2024-11-10 23:02:52,728 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 [2024-11-10 23:02:52,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:52,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:52,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:52,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:52,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:52,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:52,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:52,743 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:02:52,747 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 23:02:52,747 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 23:02:52,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:52,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:52,770 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) [2024-11-10 23:02:52,772 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 [2024-11-10 23:02:52,772 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:02:52,772 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 23:02:52,773 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:02:52,773 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 7 Supporting invariants [] [2024-11-10 23:02:52,784 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 [2024-11-10 23:02:52,788 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 23:02:52,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:52,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 23:02:52,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:52,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 23:02:52,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:02:52,908 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 23:02:52,910 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2024-11-10 23:02:52,967 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 33 states and 43 transitions. Complement of second has 8 states. [2024-11-10 23:02:52,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 23:02:52,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2024-11-10 23:02:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2024-11-10 23:02:52,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-10 23:02:52,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:52,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-10 23:02:52,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:52,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-10 23:02:52,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:52,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2024-11-10 23:02:52,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 23:02:52,984 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 14 states and 17 transitions. [2024-11-10 23:02:52,985 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-10 23:02:52,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-10 23:02:52,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2024-11-10 23:02:52,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 23:02:52,986 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-11-10 23:02:53,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2024-11-10 23:02:53,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-11-10 23:02:53,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 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) [2024-11-10 23:02:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2024-11-10 23:02:53,010 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-10 23:02:53,011 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-10 23:02:53,011 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:02:53,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2024-11-10 23:02:53,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 23:02:53,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:02:53,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:02:53,012 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-10 23:02:53,012 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 23:02:53,012 INFO L745 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 94#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_~i~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 95#L24 assume true; 96#L24-2 [2024-11-10 23:02:53,012 INFO L747 eck$LassoCheckResult]: Loop: 96#L24-2 assume !!(main_~i~0#1 <= 8); 97#L25 assume !(main_~i~0#1 < 4); 100#L24-1 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 103#L24 assume true; 96#L24-2 [2024-11-10 23:02:53,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:53,013 INFO L85 PathProgramCache]: Analyzing trace with hash 47631, now seen corresponding path program 1 times [2024-11-10 23:02:53,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:53,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145848857] [2024-11-10 23:02:53,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:53,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:53,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:53,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:53,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:53,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1352452, now seen corresponding path program 1 times [2024-11-10 23:02:53,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:53,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205408329] [2024-11-10 23:02:53,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:53,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:53,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:02:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:02:53,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:02:53,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:53,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1038984722, now seen corresponding path program 1 times [2024-11-10 23:02:53,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:02:53,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662774243] [2024-11-10 23:02:53,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:02:53,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:02:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:02:53,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:02:53,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662774243] [2024-11-10 23:02:53,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662774243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:02:53,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:02:53,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:02:53,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859213762] [2024-11-10 23:02:53,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:02:53,173 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:02:53,173 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:02:53,173 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:02:53,174 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:02:53,174 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 23:02:53,174 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,174 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:02:53,174 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:02:53,174 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration2_Loop [2024-11-10 23:02:53,174 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:02:53,174 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:02:53,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,224 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:02:53,224 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 23:02:53,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,227 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) [2024-11-10 23:02:53,228 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 [2024-11-10 23:02:53,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 23:02:53,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 23:02:53,254 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 [2024-11-10 23:02:53,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,256 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) [2024-11-10 23:02:53,257 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 [2024-11-10 23:02:53,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 23:02:53,258 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 23:02:53,271 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 23:02:53,285 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 [2024-11-10 23:02:53,285 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 23:02:53,285 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 23:02:53,285 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 23:02:53,285 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 23:02:53,286 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 23:02:53,286 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,286 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 23:02:53,286 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 23:02:53,286 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration2_Loop [2024-11-10 23:02:53,286 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 23:02:53,286 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 23:02:53,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 23:02:53,325 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 23:02:53,325 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 23:02:53,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,328 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) [2024-11-10 23:02:53,329 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 [2024-11-10 23:02:53,330 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 [2024-11-10 23:02:53,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:53,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:53,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:53,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:53,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:53,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:53,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:53,348 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 23:02:53,363 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 [2024-11-10 23:02:53,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,366 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) [2024-11-10 23:02:53,367 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 [2024-11-10 23:02:53,369 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 [2024-11-10 23:02:53,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 23:02:53,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 23:02:53,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 23:02:53,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 23:02:53,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 23:02:53,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 23:02:53,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 23:02:53,384 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 23:02:53,385 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 23:02:53,386 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 23:02:53,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:02:53,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:02:53,387 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2024-11-10 23:02:53,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-10 23:02:53,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 23:02:53,390 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 23:02:53,390 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 23:02:53,390 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 17 Supporting invariants [] [2024-11-10 23:02:53,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:53,402 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 23:02:53,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:02:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:53,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 23:02:53,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:02:53,433 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 23:02:53,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 23:02:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:02:53,505 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-10 23:02:53,506 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-10 23:02:53,528 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 25 states and 32 transitions. Complement of second has 6 states. [2024-11-10 23:02:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 23:02:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-10 23:02:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-11-10 23:02:53,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-10 23:02:53,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:53,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-10 23:02:53,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:53,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-10 23:02:53,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 23:02:53,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2024-11-10 23:02:53,535 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 23:02:53,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2024-11-10 23:02:53,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 23:02:53,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 23:02:53,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 23:02:53,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:02:53,535 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:02:53,536 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:02:53,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:02:53,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:02:53,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:02:53,539 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-10 23:02:53,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:02:53,541 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-10 23:02:53,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-10 23:02:53,541 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 23:02:53,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 23:02:53,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 23:02:53,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 23:02:53,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 23:02:53,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:02:53,542 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:02:53,542 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:02:53,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 23:02:53,542 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 23:02:53,543 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:02:53,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 23:02:53,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 23:02:53,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 23:02:53,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:02:53 BoogieIcfgContainer [2024-11-10 23:02:53,550 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:02:53,551 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:02:53,551 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:02:53,551 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:02:53,551 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:02:51" (3/4) ... [2024-11-10 23:02:53,554 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 23:02:53,556 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:02:53,557 INFO L158 Benchmark]: Toolchain (without parser) took 2347.03ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 95.3MB in the beginning and 113.3MB in the end (delta: -18.0MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2024-11-10 23:02:53,557 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:02:53,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.03ms. Allocated memory is still 151.0MB. Free memory was 95.3MB in the beginning and 82.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 23:02:53,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.51ms. Allocated memory is still 151.0MB. Free memory was 82.7MB in the beginning and 81.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:02:53,558 INFO L158 Benchmark]: Boogie Preprocessor took 27.30ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 79.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:02:53,558 INFO L158 Benchmark]: IcfgBuilder took 280.52ms. Allocated memory is still 151.0MB. Free memory was 79.6MB in the beginning and 70.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 23:02:53,559 INFO L158 Benchmark]: BuchiAutomizer took 1730.41ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 70.2MB in the beginning and 114.4MB in the end (delta: -44.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-10 23:02:53,559 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 209.7MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:02:53,561 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.03ms. Allocated memory is still 151.0MB. Free memory was 95.3MB in the beginning and 82.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.51ms. Allocated memory is still 151.0MB. Free memory was 82.7MB in the beginning and 81.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.30ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 79.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 280.52ms. Allocated memory is still 151.0MB. Free memory was 79.6MB in the beginning and 70.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1730.41ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 70.2MB in the beginning and 114.4MB in the end (delta: -44.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 209.7MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * i) + 7) and consists of 5 locations. One deterministic module has affine ranking function (((long long) -2 * i) + 17) and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 7 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp83 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-10 23:02:53,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-10 23:02:53,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-10 23:02:53,983 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