./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/Sunset.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 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-restricted-15/Sunset.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 b6e6a27fda5fa9acea6a4d245576e05450de5374c21de963811f373e2c8febd9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:11:56,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:11:56,441 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-15 00:11:56,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:11:56,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:11:56,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:11:56,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:11:56,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:11:56,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:11:56,504 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:11:56,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:11:56,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:11:56,505 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:11:56,505 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:11:56,505 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:11:56,506 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:11:56,509 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:11:56,509 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:11:56,509 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:11:56,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:11:56,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:11:56,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:11:56,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:11:56,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:11:56,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:11:56,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:11:56,515 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:11:56,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:11:56,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:11:56,516 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:11:56,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:11:56,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:11:56,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:11:56,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:11:56,517 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:11:56,517 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:11:56,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6e6a27fda5fa9acea6a4d245576e05450de5374c21de963811f373e2c8febd9 [2024-10-15 00:11:56,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:11:56,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:11:56,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:11:56,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:11:56,779 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:11:56,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/Sunset.c [2024-10-15 00:11:58,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:11:58,344 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:11:58,344 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/Sunset.c [2024-10-15 00:11:58,355 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6603fec1d/4ecbb59570c6494ca87111e7a7fbdfaf/FLAGb9b1664e6 [2024-10-15 00:11:58,372 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6603fec1d/4ecbb59570c6494ca87111e7a7fbdfaf [2024-10-15 00:11:58,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:11:58,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:11:58,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:11:58,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:11:58,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:11:58,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3738bc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58, skipping insertion in model container [2024-10-15 00:11:58,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:11:58,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:11:58,558 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:11:58,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:11:58,583 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:11:58,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58 WrapperNode [2024-10-15 00:11:58,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:11:58,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:11:58,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:11:58,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:11:58,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,615 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2024-10-15 00:11:58,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:11:58,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:11:58,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:11:58,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:11:58,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,629 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,633 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-15 00:11:58,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:11:58,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:11:58,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:11:58,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:11:58,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (1/1) ... [2024-10-15 00:11:58,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:58,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:58,672 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) [2024-10-15 00:11:58,675 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 [2024-10-15 00:11:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:11:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:11:58,811 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:11:58,814 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:11:58,879 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-10-15 00:11:58,880 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:11:58,895 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:11:58,896 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 00:11:58,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:11:58 BoogieIcfgContainer [2024-10-15 00:11:58,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:11:58,897 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:11:58,898 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:11:58,902 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:11:58,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:11:58,903 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:11:58" (1/3) ... [2024-10-15 00:11:58,904 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60b98f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:11:58, skipping insertion in model container [2024-10-15 00:11:58,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:11:58,904 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:58" (2/3) ... [2024-10-15 00:11:58,905 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60b98f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:11:58, skipping insertion in model container [2024-10-15 00:11:58,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:11:58,905 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:11:58" (3/3) ... [2024-10-15 00:11:58,908 INFO L332 chiAutomizerObserver]: Analyzing ICFG Sunset.c [2024-10-15 00:11:58,994 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:11:58,994 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:11:58,994 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:11:58,995 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:11:58,995 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:11:58,995 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:11:58,996 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:11:58,996 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:11:58,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2024-10-15 00:11:59,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:11:59,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:59,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:59,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:11:59,023 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:11:59,023 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:11:59,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2024-10-15 00:11:59,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:11:59,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:59,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:59,026 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:11:59,026 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:11:59,032 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 3#L13-1true [2024-10-15 00:11:59,032 INFO L747 eck$LassoCheckResult]: Loop: 3#L13-1true assume !!(main_~i~0#1 > 10); 6#L10true assume !(25 == main_~i~0#1); 4#L10-2true assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 3#L13-1true [2024-10-15 00:11:59,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:59,049 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-15 00:11:59,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:59,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429683117] [2024-10-15 00:11:59,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:59,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:59,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:59,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:59,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:59,156 INFO L85 PathProgramCache]: Analyzing trace with hash 40878, now seen corresponding path program 1 times [2024-10-15 00:11:59,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:59,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679454650] [2024-10-15 00:11:59,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:59,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:59,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:59,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:59,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:59,192 INFO L85 PathProgramCache]: Analyzing trace with hash 28699820, now seen corresponding path program 1 times [2024-10-15 00:11:59,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:59,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009672214] [2024-10-15 00:11:59,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:59,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:59,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:59,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:59,303 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:59,304 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:59,308 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:59,308 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:59,309 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:11:59,309 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:59,309 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:59,309 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:59,309 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration1_Loop [2024-10-15 00:11:59,309 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:59,309 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:59,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:59,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:59,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:59,474 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:59,475 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:11:59,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:59,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:59,479 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) [2024-10-15 00:11:59,480 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 [2024-10-15 00:11:59,481 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:59,481 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:59,506 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:59,506 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:11:59,517 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 [2024-10-15 00:11:59,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:59,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:59,520 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) [2024-10-15 00:11:59,521 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 [2024-10-15 00:11:59,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:59,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:59,545 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:59,545 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:11:59,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-15 00:11:59,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:59,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:59,559 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) [2024-10-15 00:11:59,560 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 [2024-10-15 00:11:59,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:59,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:59,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-15 00:11:59,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:59,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:59,590 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) [2024-10-15 00:11:59,591 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 [2024-10-15 00:11:59,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:59,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:59,631 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:11:59,636 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 [2024-10-15 00:11:59,636 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:59,636 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:59,637 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:59,637 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:59,637 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:11:59,637 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:59,637 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:59,637 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:59,637 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration1_Loop [2024-10-15 00:11:59,637 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:59,637 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:59,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:59,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:59,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:59,751 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:59,756 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:11:59,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:59,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:59,761 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) [2024-10-15 00:11:59,762 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 [2024-10-15 00:11:59,764 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 [2024-10-15 00:11:59,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:59,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:59,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:59,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:59,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:11:59,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:11:59,787 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:59,798 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 [2024-10-15 00:11:59,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:59,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:59,801 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) [2024-10-15 00:11:59,808 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 [2024-10-15 00:11:59,809 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 [2024-10-15 00:11:59,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:59,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:59,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:59,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:59,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:11:59,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:11:59,828 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:59,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:59,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:59,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:59,847 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) [2024-10-15 00:11:59,848 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 [2024-10-15 00:11:59,849 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 [2024-10-15 00:11:59,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:59,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:59,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:59,860 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 00:11:59,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:59,861 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-15 00:11:59,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:59,865 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:11:59,872 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:11:59,873 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-15 00:11:59,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:59,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:59,897 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) [2024-10-15 00:11:59,902 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 [2024-10-15 00:11:59,903 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:11:59,903 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:11:59,903 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:11:59,904 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-15 00:11:59,918 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 [2024-10-15 00:11:59,922 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:11:59,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:59,951 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:59,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:59,977 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:11:59,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:12:00,032 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 [2024-10-15 00:12:00,034 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-15 00:12:00,092 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 20 states and 29 transitions. Complement of second has 6 states. [2024-10-15 00:12:00,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-15 00:12:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-15 00:12:00,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-10-15 00:12:00,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 3 letters. [2024-10-15 00:12:00,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:00,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 3 letters. [2024-10-15 00:12:00,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:00,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-15 00:12:00,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:00,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 29 transitions. [2024-10-15 00:12:00,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:12:00,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 10 states and 15 transitions. [2024-10-15 00:12:00,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-15 00:12:00,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-15 00:12:00,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2024-10-15 00:12:00,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:12:00,117 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2024-10-15 00:12:00,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2024-10-15 00:12:00,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-15 00:12:00,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 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) [2024-10-15 00:12:00,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2024-10-15 00:12:00,142 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2024-10-15 00:12:00,142 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2024-10-15 00:12:00,142 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:12:00,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2024-10-15 00:12:00,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:12:00,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:12:00,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:12:00,144 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-15 00:12:00,144 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:12:00,144 INFO L745 eck$LassoCheckResult]: Stem: 75#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 76#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 72#L13-1 assume !!(main_~i~0#1 > 10); 74#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 68#L10-2 [2024-10-15 00:12:00,144 INFO L747 eck$LassoCheckResult]: Loop: 68#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 69#L13-1 assume !!(main_~i~0#1 > 10); 77#L10 assume !(25 == main_~i~0#1); 68#L10-2 [2024-10-15 00:12:00,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:00,145 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-10-15 00:12:00,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:00,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523539211] [2024-10-15 00:12:00,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:00,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:00,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:12:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:00,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:12:00,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:00,155 INFO L85 PathProgramCache]: Analyzing trace with hash 49368, now seen corresponding path program 2 times [2024-10-15 00:12:00,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:00,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272768338] [2024-10-15 00:12:00,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:00,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:00,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:12:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:00,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:12:00,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:00,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1810664019, now seen corresponding path program 1 times [2024-10-15 00:12:00,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:00,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303704751] [2024-10-15 00:12:00,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:00,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:00,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:12:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:00,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:12:00,211 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:12:00,211 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:12:00,211 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:12:00,212 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:12:00,212 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:12:00,212 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:00,212 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:12:00,212 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:12:00,212 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration2_Loop [2024-10-15 00:12:00,212 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:12:00,212 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:12:00,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:00,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:00,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:00,290 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:12:00,290 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:12:00,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:00,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:00,292 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) [2024-10-15 00:12:00,294 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 [2024-10-15 00:12:00,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:12:00,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:12:00,318 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:12:00,318 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:12:00,329 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 [2024-10-15 00:12:00,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:00,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:00,331 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) [2024-10-15 00:12:00,333 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 [2024-10-15 00:12:00,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:12:00,336 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:12:00,359 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 [2024-10-15 00:12:00,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:00,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:00,361 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) [2024-10-15 00:12:00,362 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 [2024-10-15 00:12:00,363 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:12:00,363 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:12:00,508 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:12:00,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-15 00:12:00,514 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:12:00,514 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:12:00,514 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:12:00,514 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:12:00,515 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:12:00,515 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:00,515 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:12:00,515 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:12:00,515 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration2_Loop [2024-10-15 00:12:00,515 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:12:00,515 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:12:00,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:00,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:00,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:00,613 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:12:00,613 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:12:00,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:00,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:00,619 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) [2024-10-15 00:12:00,624 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 [2024-10-15 00:12:00,625 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 [2024-10-15 00:12:00,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:12:00,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:12:00,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:12:00,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:12:00,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:12:00,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:12:00,647 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:12:00,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-15 00:12:00,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:00,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:00,661 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) [2024-10-15 00:12:00,662 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 [2024-10-15 00:12:00,663 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 [2024-10-15 00:12:00,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:12:00,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:12:00,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:12:00,675 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 00:12:00,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:12:00,676 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-15 00:12:00,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:12:00,679 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:12:00,681 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-15 00:12:00,682 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 00:12:00,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:00,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:00,684 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) [2024-10-15 00:12:00,685 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 [2024-10-15 00:12:00,686 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:12:00,686 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:12:00,686 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:12:00,686 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-15 00:12:00,699 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 [2024-10-15 00:12:00,700 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:12:00,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:00,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:12:00,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:00,724 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:12:00,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:12:00,763 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 [2024-10-15 00:12:00,764 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7 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) [2024-10-15 00:12:00,783 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7. 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 22 states and 33 transitions. Complement of second has 7 states. [2024-10-15 00:12:00,783 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 [2024-10-15 00:12:00,784 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) [2024-10-15 00:12:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-10-15 00:12:00,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 3 letters. [2024-10-15 00:12:00,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:00,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-15 00:12:00,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:00,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 6 letters. [2024-10-15 00:12:00,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:00,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 33 transitions. [2024-10-15 00:12:00,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:12:00,788 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 18 states and 28 transitions. [2024-10-15 00:12:00,788 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-15 00:12:00,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-15 00:12:00,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 28 transitions. [2024-10-15 00:12:00,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:12:00,788 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 28 transitions. [2024-10-15 00:12:00,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 28 transitions. [2024-10-15 00:12:00,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-10-15 00:12:00,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 states have internal predecessors, (26), 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) [2024-10-15 00:12:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 26 transitions. [2024-10-15 00:12:00,790 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 26 transitions. [2024-10-15 00:12:00,790 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 26 transitions. [2024-10-15 00:12:00,790 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-15 00:12:00,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 26 transitions. [2024-10-15 00:12:00,791 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:12:00,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:12:00,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:12:00,791 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2024-10-15 00:12:00,791 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:12:00,792 INFO L745 eck$LassoCheckResult]: Stem: 156#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 158#L13-1 assume !!(main_~i~0#1 > 10); 160#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 149#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 147#L13-1 assume !!(main_~i~0#1 > 10); 148#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 154#L10-2 [2024-10-15 00:12:00,792 INFO L747 eck$LassoCheckResult]: Loop: 154#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 145#L13-1 assume !!(main_~i~0#1 > 10); 146#L10 assume !(25 == main_~i~0#1); 154#L10-2 [2024-10-15 00:12:00,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:00,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1810664017, now seen corresponding path program 1 times [2024-10-15 00:12:00,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:00,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465282377] [2024-10-15 00:12:00,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:00,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:00,867 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 [2024-10-15 00:12:00,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-15 00:12:00,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:12:00,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:12:00,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465282377] [2024-10-15 00:12:00,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465282377] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:12:00,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:12:00,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-15 00:12:00,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313451517] [2024-10-15 00:12:00,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:12:00,951 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:12:00,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:00,952 INFO L85 PathProgramCache]: Analyzing trace with hash 49368, now seen corresponding path program 3 times [2024-10-15 00:12:00,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:00,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211032357] [2024-10-15 00:12:00,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:00,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:00,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:12:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:00,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:12:00,985 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:12:00,985 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:12:00,985 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:12:00,985 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:12:00,985 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:12:00,985 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:00,985 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:12:00,985 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:12:00,986 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration3_Loop [2024-10-15 00:12:00,986 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:12:00,986 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:12:00,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:00,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:00,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:01,046 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:12:01,047 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:12:01,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:01,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:01,048 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2024-10-15 00:12:01,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-15 00:12:01,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:12:01,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:12:01,077 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:12:01,077 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:12:01,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-15 00:12:01,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:01,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:01,093 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2024-10-15 00:12:01,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-15 00:12:01,095 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:12:01,095 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:12:01,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-15 00:12:01,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:01,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:01,126 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2024-10-15 00:12:01,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-15 00:12:01,128 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:12:01,128 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:12:01,285 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:12:01,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-15 00:12:01,290 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:12:01,291 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:12:01,291 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:12:01,291 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:12:01,291 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:12:01,291 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:01,291 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:12:01,291 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:12:01,291 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration3_Loop [2024-10-15 00:12:01,291 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:12:01,291 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:12:01,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:01,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:01,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:01,363 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:12:01,363 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:12:01,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:01,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:01,365 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2024-10-15 00:12:01,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-15 00:12:01,366 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 [2024-10-15 00:12:01,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:12:01,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:12:01,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:12:01,377 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-15 00:12:01,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:12:01,378 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-15 00:12:01,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:12:01,381 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:12:01,383 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:12:01,383 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-15 00:12:01,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:01,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:01,385 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2024-10-15 00:12:01,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-15 00:12:01,387 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:12:01,387 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:12:01,387 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:12:01,387 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-15 00:12:01,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-15 00:12:01,399 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:12:01,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:01,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:12:01,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:01,430 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:12:01,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:12:01,456 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 [2024-10-15 00:12:01,456 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:12:01,480 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 35 transitions. Complement of second has 7 states. [2024-10-15 00:12:01,481 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 [2024-10-15 00:12:01,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:12:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-10-15 00:12:01,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-15 00:12:01,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:01,482 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:12:01,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:01,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:12:01,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:01,510 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:12:01,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:12:01,536 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-15 00:12:01,536 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:12:01,569 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 33 transitions. Complement of second has 7 states. [2024-10-15 00:12:01,569 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 [2024-10-15 00:12:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:12:01,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-10-15 00:12:01,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-15 00:12:01,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:01,570 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:12:01,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:01,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:12:01,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:01,614 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:12:01,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:12:01,637 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-15 00:12:01,637 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:12:01,667 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 26 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 50 transitions. Complement of second has 7 states. [2024-10-15 00:12:01,668 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 [2024-10-15 00:12:01,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:12:01,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-10-15 00:12:01,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-15 00:12:01,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:01,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 3 letters. [2024-10-15 00:12:01,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:01,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 6 letters. [2024-10-15 00:12:01,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:01,671 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 50 transitions. [2024-10-15 00:12:01,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-10-15 00:12:01,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 24 states and 37 transitions. [2024-10-15 00:12:01,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-15 00:12:01,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-15 00:12:01,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 37 transitions. [2024-10-15 00:12:01,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:12:01,673 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 37 transitions. [2024-10-15 00:12:01,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 37 transitions. [2024-10-15 00:12:01,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 16. [2024-10-15 00:12:01,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 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) [2024-10-15 00:12:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 25 transitions. [2024-10-15 00:12:01,676 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 25 transitions. [2024-10-15 00:12:01,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:12:01,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:12:01,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:12:01,679 INFO L87 Difference]: Start difference. First operand 16 states and 25 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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) [2024-10-15 00:12:01,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:12:01,712 INFO L93 Difference]: Finished difference Result 19 states and 29 transitions. [2024-10-15 00:12:01,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 29 transitions. [2024-10-15 00:12:01,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-10-15 00:12:01,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 29 transitions. [2024-10-15 00:12:01,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-15 00:12:01,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-15 00:12:01,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 29 transitions. [2024-10-15 00:12:01,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:12:01,713 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 29 transitions. [2024-10-15 00:12:01,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 29 transitions. [2024-10-15 00:12:01,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2024-10-15 00:12:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 states have internal predecessors, (26), 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) [2024-10-15 00:12:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 26 transitions. [2024-10-15 00:12:01,715 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 26 transitions. [2024-10-15 00:12:01,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-15 00:12:01,716 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 26 transitions. [2024-10-15 00:12:01,716 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-15 00:12:01,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 26 transitions. [2024-10-15 00:12:01,717 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-10-15 00:12:01,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:12:01,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:12:01,717 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-15 00:12:01,717 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:12:01,717 INFO L745 eck$LassoCheckResult]: Stem: 418#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 419#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 420#L13-1 assume !!(main_~i~0#1 > 10); 416#L10 [2024-10-15 00:12:01,717 INFO L747 eck$LassoCheckResult]: Loop: 416#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 412#L10-2 assume !(main_~i~0#1 <= 30);main_~i~0#1 := 20; 413#L13-1 assume !!(main_~i~0#1 > 10); 416#L10 [2024-10-15 00:12:01,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:01,718 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-15 00:12:01,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:01,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844719065] [2024-10-15 00:12:01,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:01,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:01,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:12:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:01,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:12:01,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:01,723 INFO L85 PathProgramCache]: Analyzing trace with hash 43938, now seen corresponding path program 1 times [2024-10-15 00:12:01,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:01,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198091617] [2024-10-15 00:12:01,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:01,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:12:01,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:12:01,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198091617] [2024-10-15 00:12:01,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198091617] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:12:01,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:12:01,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-15 00:12:01,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81189889] [2024-10-15 00:12:01,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:12:01,751 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-15 00:12:01,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:12:01,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 00:12:01,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 00:12:01,751 INFO L87 Difference]: Start difference. First operand 17 states and 26 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-10-15 00:12:01,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:12:01,760 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2024-10-15 00:12:01,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2024-10-15 00:12:01,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-15 00:12:01,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 22 transitions. [2024-10-15 00:12:01,761 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-15 00:12:01,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-15 00:12:01,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2024-10-15 00:12:01,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:12:01,761 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-10-15 00:12:01,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2024-10-15 00:12:01,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-10-15 00:12:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 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) [2024-10-15 00:12:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2024-10-15 00:12:01,763 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2024-10-15 00:12:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 00:12:01,765 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2024-10-15 00:12:01,765 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-15 00:12:01,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2024-10-15 00:12:01,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-15 00:12:01,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:12:01,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:12:01,766 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1] [2024-10-15 00:12:01,766 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1] [2024-10-15 00:12:01,766 INFO L745 eck$LassoCheckResult]: Stem: 459#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 460#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 461#L13-1 assume !!(main_~i~0#1 > 10); 456#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 450#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 451#L13-1 assume !!(main_~i~0#1 > 10); 455#L10 assume !(25 == main_~i~0#1); 452#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 453#L13-1 assume !!(main_~i~0#1 > 10); 465#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 462#L10-2 [2024-10-15 00:12:01,766 INFO L747 eck$LassoCheckResult]: Loop: 462#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 454#L13-1 assume !!(main_~i~0#1 > 10); 455#L10 assume !(25 == main_~i~0#1); 452#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 453#L13-1 assume !!(main_~i~0#1 > 10); 465#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 462#L10-2 [2024-10-15 00:12:01,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:01,767 INFO L85 PathProgramCache]: Analyzing trace with hash 997539140, now seen corresponding path program 2 times [2024-10-15 00:12:01,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:01,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907006941] [2024-10-15 00:12:01,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:01,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:12:01,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:12:01,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907006941] [2024-10-15 00:12:01,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907006941] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:12:01,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147123579] [2024-10-15 00:12:01,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-15 00:12:01,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:12:01,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:01,811 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:12:01,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-15 00:12:01,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-15 00:12:01,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 00:12:01,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:12:01,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:01,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:12:01,860 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:12:01,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:12:01,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147123579] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:12:01,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:12:01,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-10-15 00:12:01,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304771816] [2024-10-15 00:12:01,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:12:01,886 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:12:01,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:01,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1470741663, now seen corresponding path program 1 times [2024-10-15 00:12:01,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:01,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146599523] [2024-10-15 00:12:01,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:01,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:01,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:12:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:01,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:12:01,922 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:12:01,922 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:12:01,922 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:12:01,922 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:12:01,922 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:12:01,922 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:01,923 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:12:01,923 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:12:01,923 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration5_Loop [2024-10-15 00:12:01,923 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:12:01,923 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:12:01,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:01,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:01,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:01,958 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:12:01,958 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:12:01,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:01,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:01,960 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2024-10-15 00:12:01,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-15 00:12:01,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:12:01,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:12:01,981 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:12:01,981 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:12:01,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-15 00:12:01,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:01,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:01,995 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2024-10-15 00:12:01,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-15 00:12:01,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:12:01,997 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:12:02,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-15 00:12:02,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:02,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:02,033 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2024-10-15 00:12:02,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-15 00:12:02,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:12:02,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:12:02,047 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:12:02,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-15 00:12:02,061 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:12:02,061 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:12:02,061 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:12:02,061 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:12:02,061 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:12:02,061 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:02,061 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:12:02,061 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:12:02,061 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration5_Loop [2024-10-15 00:12:02,062 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:12:02,062 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:12:02,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:02,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:02,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:12:02,097 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:12:02,098 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:12:02,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:02,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:02,100 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2024-10-15 00:12:02,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-15 00:12:02,102 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 [2024-10-15 00:12:02,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:12:02,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:12:02,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:12:02,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:12:02,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:12:02,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:12:02,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:12:02,116 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:12:02,118 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:12:02,119 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 00:12:02,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:12:02,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:12:02,121 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2024-10-15 00:12:02,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-15 00:12:02,123 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:12:02,123 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:12:02,123 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:12:02,123 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 57 Supporting invariants [] [2024-10-15 00:12:02,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-15 00:12:02,141 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:12:02,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:02,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:12:02,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:12:02,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-15 00:12:02,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:12:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:12:02,209 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 [2024-10-15 00:12:02,210 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-10-15 00:12:02,229 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 31 states and 37 transitions. Complement of second has 7 states. [2024-10-15 00:12:02,229 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 [2024-10-15 00:12:02,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-10-15 00:12:02,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-10-15 00:12:02,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2024-10-15 00:12:02,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:02,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 16 letters. Loop has 6 letters. [2024-10-15 00:12:02,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:02,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 12 letters. [2024-10-15 00:12:02,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:12:02,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 37 transitions. [2024-10-15 00:12:02,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-15 00:12:02,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 36 transitions. [2024-10-15 00:12:02,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-15 00:12:02,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-15 00:12:02,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 36 transitions. [2024-10-15 00:12:02,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:12:02,232 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 36 transitions. [2024-10-15 00:12:02,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 36 transitions. [2024-10-15 00:12:02,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2024-10-15 00:12:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 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) [2024-10-15 00:12:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2024-10-15 00:12:02,237 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 32 transitions. [2024-10-15 00:12:02,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:12:02,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-15 00:12:02,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-15 00:12:02,239 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 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) [2024-10-15 00:12:02,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:12:02,263 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2024-10-15 00:12:02,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 40 transitions. [2024-10-15 00:12:02,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2024-10-15 00:12:02,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 31 states and 35 transitions. [2024-10-15 00:12:02,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-15 00:12:02,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-15 00:12:02,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 35 transitions. [2024-10-15 00:12:02,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:12:02,269 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-10-15 00:12:02,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 35 transitions. [2024-10-15 00:12:02,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2024-10-15 00:12:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 25 states have internal predecessors, (30), 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) [2024-10-15 00:12:02,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2024-10-15 00:12:02,271 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 30 transitions. [2024-10-15 00:12:02,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-15 00:12:02,273 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 30 transitions. [2024-10-15 00:12:02,273 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-15 00:12:02,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 30 transitions. [2024-10-15 00:12:02,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2024-10-15 00:12:02,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:12:02,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:12:02,274 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 4, 2, 1, 1] [2024-10-15 00:12:02,276 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [5, 5, 4, 1] [2024-10-15 00:12:02,276 INFO L745 eck$LassoCheckResult]: Stem: 696#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 697#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 698#L13-1 assume !!(main_~i~0#1 > 10); 695#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 692#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 691#L13-1 assume !!(main_~i~0#1 > 10); 690#L10 assume !(25 == main_~i~0#1); 693#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 694#L13-1 assume !!(main_~i~0#1 > 10); 714#L10 assume !(25 == main_~i~0#1); 713#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 712#L13-1 assume !!(main_~i~0#1 > 10); 711#L10 assume !(25 == main_~i~0#1); 710#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 709#L13-1 assume !!(main_~i~0#1 > 10); 708#L10 assume !(25 == main_~i~0#1); 706#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 707#L13-1 assume !!(main_~i~0#1 > 10); 705#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 702#L10-2 [2024-10-15 00:12:02,276 INFO L747 eck$LassoCheckResult]: Loop: 702#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 689#L13-1 assume !!(main_~i~0#1 > 10); 690#L10 assume !(25 == main_~i~0#1); 693#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 694#L13-1 assume !!(main_~i~0#1 > 10); 714#L10 assume !(25 == main_~i~0#1); 713#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 712#L13-1 assume !!(main_~i~0#1 > 10); 711#L10 assume !(25 == main_~i~0#1); 710#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 709#L13-1 assume !!(main_~i~0#1 > 10); 708#L10 assume !(25 == main_~i~0#1); 706#L10-2 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 707#L13-1 assume !!(main_~i~0#1 > 10); 705#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 702#L10-2 [2024-10-15 00:12:02,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:02,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1587470191, now seen corresponding path program 3 times [2024-10-15 00:12:02,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:02,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770603624] [2024-10-15 00:12:02,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:02,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:02,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:12:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:02,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:12:02,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:02,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1155970966, now seen corresponding path program 2 times [2024-10-15 00:12:02,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:02,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561180051] [2024-10-15 00:12:02,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:02,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:02,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:12:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:02,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:12:02,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:12:02,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1288805114, now seen corresponding path program 4 times [2024-10-15 00:12:02,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:12:02,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114894572] [2024-10-15 00:12:02,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:12:02,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:12:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:02,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:12:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:02,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:12:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:02,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:12:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:12:02,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:12:02 BoogieIcfgContainer [2024-10-15 00:12:02,516 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:12:02,516 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:12:02,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:12:02,517 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:12:02,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:11:58" (3/4) ... [2024-10-15 00:12:02,519 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-15 00:12:02,558 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-15 00:12:02,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:12:02,559 INFO L158 Benchmark]: Toolchain (without parser) took 4183.61ms. Allocated memory was 144.7MB in the beginning and 218.1MB in the end (delta: 73.4MB). Free memory was 76.2MB in the beginning and 78.1MB in the end (delta: -1.9MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2024-10-15 00:12:02,563 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 144.7MB. Free memory is still 108.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:12:02,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.89ms. Allocated memory is still 144.7MB. Free memory was 76.0MB in the beginning and 65.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 00:12:02,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.68ms. Allocated memory is still 144.7MB. Free memory was 65.7MB in the beginning and 64.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:12:02,564 INFO L158 Benchmark]: Boogie Preprocessor took 24.88ms. Allocated memory is still 144.7MB. Free memory was 64.3MB in the beginning and 63.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:12:02,564 INFO L158 Benchmark]: RCFGBuilder took 254.01ms. Allocated memory is still 144.7MB. Free memory was 62.8MB in the beginning and 53.8MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 00:12:02,564 INFO L158 Benchmark]: BuchiAutomizer took 3618.34ms. Allocated memory was 144.7MB in the beginning and 218.1MB in the end (delta: 73.4MB). Free memory was 53.6MB in the beginning and 80.2MB in the end (delta: -26.6MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-10-15 00:12:02,564 INFO L158 Benchmark]: Witness Printer took 42.45ms. Allocated memory is still 218.1MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:12:02,565 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 144.7MB. Free memory is still 108.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.89ms. Allocated memory is still 144.7MB. Free memory was 76.0MB in the beginning and 65.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.68ms. Allocated memory is still 144.7MB. Free memory was 65.7MB in the beginning and 64.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.88ms. Allocated memory is still 144.7MB. Free memory was 64.3MB in the beginning and 63.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 254.01ms. Allocated memory is still 144.7MB. Free memory was 62.8MB in the beginning and 53.8MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3618.34ms. Allocated memory was 144.7MB in the beginning and 218.1MB in the end (delta: 73.4MB). Free memory was 53.6MB in the beginning and 80.2MB in the end (delta: -26.6MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 42.45ms. Allocated memory is still 218.1MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.1MB). 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 7 terminating modules (3 trivial, 3 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function (((long) -2 * i) + 57) and consists of 4 locations. One nondeterministic module has affine ranking function i and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 26 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 6 iterations. TraceHistogramMax:6. Analysis of lassos took 2.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 21 StatesRemovedByMinimization, 6 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/3 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 55 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax190 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf146 smp89 tf107 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 13]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() [L9] COND TRUE i > 10 VAL [i=25] [L10] COND TRUE i == 25 [L11] i = 30 VAL [i=30] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=29] [L9] COND TRUE i > 10 VAL [i=29] [L10] COND FALSE !(i == 25) VAL [i=29] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=28] [L9] COND TRUE i > 10 VAL [i=28] [L10] COND FALSE !(i == 25) VAL [i=28] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=27] [L9] COND TRUE i > 10 VAL [i=27] [L10] COND FALSE !(i == 25) VAL [i=27] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=26] [L9] COND TRUE i > 10 VAL [i=26] [L10] COND FALSE !(i == 25) VAL [i=26] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=25] [L9] COND TRUE i > 10 VAL [i=25] [L10] COND TRUE i == 25 [L11] i = 30 VAL [i=30] Loop: [L13] COND TRUE i <= 30 [L14] i = i-1 [L9] COND TRUE i > 10 [L10] COND FALSE !(i == 25) [L13] COND TRUE i <= 30 [L14] i = i-1 [L9] COND TRUE i > 10 [L10] COND FALSE !(i == 25) [L13] COND TRUE i <= 30 [L14] i = i-1 [L9] COND TRUE i > 10 [L10] COND FALSE !(i == 25) [L13] COND TRUE i <= 30 [L14] i = i-1 [L9] COND TRUE i > 10 [L10] COND FALSE !(i == 25) [L13] COND TRUE i <= 30 [L14] i = i-1 [L9] COND TRUE i > 10 [L10] COND TRUE i == 25 [L11] i = 30 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 13]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() [L9] COND TRUE i > 10 VAL [i=25] [L10] COND TRUE i == 25 [L11] i = 30 VAL [i=30] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=29] [L9] COND TRUE i > 10 VAL [i=29] [L10] COND FALSE !(i == 25) VAL [i=29] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=28] [L9] COND TRUE i > 10 VAL [i=28] [L10] COND FALSE !(i == 25) VAL [i=28] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=27] [L9] COND TRUE i > 10 VAL [i=27] [L10] COND FALSE !(i == 25) VAL [i=27] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=26] [L9] COND TRUE i > 10 VAL [i=26] [L10] COND FALSE !(i == 25) VAL [i=26] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=25] [L9] COND TRUE i > 10 VAL [i=25] [L10] COND TRUE i == 25 [L11] i = 30 VAL [i=30] Loop: [L13] COND TRUE i <= 30 [L14] i = i-1 [L9] COND TRUE i > 10 [L10] COND FALSE !(i == 25) [L13] COND TRUE i <= 30 [L14] i = i-1 [L9] COND TRUE i > 10 [L10] COND FALSE !(i == 25) [L13] COND TRUE i <= 30 [L14] i = i-1 [L9] COND TRUE i > 10 [L10] COND FALSE !(i == 25) [L13] COND TRUE i <= 30 [L14] i = i-1 [L9] COND TRUE i > 10 [L10] COND FALSE !(i == 25) [L13] COND TRUE i <= 30 [L14] i = i-1 [L9] COND TRUE i > 10 [L10] COND TRUE i == 25 [L11] i = 30 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 00:12:02,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-15 00:12:02,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-15 00:12:02,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-15 00:12:03,198 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)