./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/Sunset.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/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-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:34:52,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:34:52,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-10 22:34:52,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:34:52,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:34:52,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:34:53,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:34:53,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:34:53,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:34:53,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:34:53,020 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:34:53,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:34:53,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:34:53,021 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:34:53,022 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:34:53,022 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:34:53,023 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:34:53,023 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:34:53,023 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:34:53,024 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:34:53,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:34:53,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:34:53,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:34:53,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:34:53,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:34:53,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:34:53,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:34:53,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:34:53,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:34:53,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:34:53,028 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:34:53,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:34:53,029 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:34:53,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:34:53,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:34:53,030 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:34:53,030 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:34:53,030 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6e6a27fda5fa9acea6a4d245576e05450de5374c21de963811f373e2c8febd9 [2024-11-10 22:34:53,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:34:53,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:34:53,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:34:53,312 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:34:53,312 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:34:53,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/Sunset.c [2024-11-10 22:34:54,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:34:54,885 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:34:54,885 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/Sunset.c [2024-11-10 22:34:54,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ee23234/61cb86fc1da643b08a412bd7c09b2f94/FLAGd966c1939 [2024-11-10 22:34:54,904 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ee23234/61cb86fc1da643b08a412bd7c09b2f94 [2024-11-10 22:34:54,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:34:54,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:34:54,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:34:54,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:34:54,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:34:54,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:34:54" (1/1) ... [2024-11-10 22:34:54,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a64609b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:54, skipping insertion in model container [2024-11-10 22:34:54,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:34:54" (1/1) ... [2024-11-10 22:34:54,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:34:55,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:34:55,107 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:34:55,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:34:55,136 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:34:55,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55 WrapperNode [2024-11-10 22:34:55,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:34:55,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:34:55,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:34:55,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:34:55,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,167 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-10 22:34:55,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:34:55,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:34:55,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:34:55,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:34:55,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,180 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,185 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 22:34:55,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,188 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:34:55,192 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:34:55,192 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:34:55,193 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:34:55,193 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (1/1) ... [2024-11-10 22:34:55,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:55,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:55,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:55,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 22:34:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:34:55,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:34:55,397 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:34:55,399 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:34:55,458 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-10 22:34:55,458 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:34:55,469 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:34:55,471 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:34:55,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:34:55 BoogieIcfgContainer [2024-11-10 22:34:55,471 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:34:55,472 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:34:55,472 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:34:55,476 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:34:55,477 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:34:55,478 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:34:54" (1/3) ... [2024-11-10 22:34:55,478 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2835f1e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:34:55, skipping insertion in model container [2024-11-10 22:34:55,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:34:55,479 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:55" (2/3) ... [2024-11-10 22:34:55,479 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2835f1e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:34:55, skipping insertion in model container [2024-11-10 22:34:55,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:34:55,479 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:34:55" (3/3) ... [2024-11-10 22:34:55,481 INFO L332 chiAutomizerObserver]: Analyzing ICFG Sunset.c [2024-11-10 22:34:55,527 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:34:55,527 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:34:55,527 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:34:55,528 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:34:55,528 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:34:55,528 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:34:55,528 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:34:55,528 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:34:55,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2024-11-10 22:34:55,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:34:55,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:55,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:55,552 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:34:55,552 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:34:55,553 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:34:55,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2024-11-10 22:34:55,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:34:55,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:55,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:55,555 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 22:34:55,555 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:34:55,563 INFO L745 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#ULTIMATE.init_returnLabel#1true assume true;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; 2#L9true [2024-11-10 22:34:55,563 INFO L747 eck$LassoCheckResult]: Loop: 2#L9true assume true; 7#L9-1true assume !!(main_~i~0#1 > 10); 8#L10true assume 25 == main_~i~0#1;main_~i~0#1 := 30; 5#L13true assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 2#L9true [2024-11-10 22:34:55,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:55,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1344, now seen corresponding path program 1 times [2024-11-10 22:34:55,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:55,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059542276] [2024-11-10 22:34:55,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:55,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:55,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:55,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:55,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:55,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1199486, now seen corresponding path program 1 times [2024-11-10 22:34:55,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:55,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505578819] [2024-11-10 22:34:55,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:55,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:55,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:55,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:55,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:55,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1241488189, now seen corresponding path program 1 times [2024-11-10 22:34:55,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:55,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785526169] [2024-11-10 22:34:55,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:55,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:55,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:55,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:55,847 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:55,848 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:55,848 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:55,849 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:55,849 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:34:55,849 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:55,849 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:55,849 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:55,849 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration1_Loop [2024-11-10 22:34:55,850 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:55,850 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:55,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:55,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:55,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:55,965 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:55,965 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:34:55,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:55,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:55,970 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:55,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-10 22:34:55,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:55,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:56,003 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:56,003 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: [] [2024-11-10 22:34:56,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-10 22:34:56,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:56,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:56,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-10 22:34:56,026 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:56,026 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:56,048 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:56,048 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: [] [2024-11-10 22:34:56,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:56,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:56,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:56,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-10 22:34:56,064 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:56,064 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:56,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:56,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:56,100 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:56,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-10 22:34:56,103 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:56,103 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:56,120 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:34:56,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:56,136 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:56,136 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:56,136 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:56,136 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:56,136 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:34:56,136 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,136 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:56,136 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:56,136 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration1_Loop [2024-11-10 22:34:56,136 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:56,137 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:56,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:56,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:56,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:56,211 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:56,219 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:34:56,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:56,225 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:56,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-10 22:34:56,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:56,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:56,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:56,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:56,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:56,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:56,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:56,254 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:56,264 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 [2024-11-10 22:34:56,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:56,267 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:56,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-10 22:34:56,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:56,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:56,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:56,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:56,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:56,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:56,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:56,287 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:56,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-10 22:34:56,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:56,302 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:56,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-10 22:34:56,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:56,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:56,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:56,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:56,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:56,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:56,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:56,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:56,319 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:34:56,322 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:34:56,323 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:34:56,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:56,348 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:56,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-10 22:34:56,350 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:34:56,350 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:34:56,350 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:34:56,351 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 27 Supporting invariants [] [2024-11-10 22:34:56,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:56,366 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:34:56,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:56,404 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:56,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:56,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 22:34:56,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:56,476 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:56,478 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:56,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 31 transitions. Complement of second has 6 states. [2024-11-10 22:34:56,518 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 [2024-11-10 22:34:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:56,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-10 22:34:56,524 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-10 22:34:56,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:56,524 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:34:56,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:56,541 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:56,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:56,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 22:34:56,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:56,578 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:56,578 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:56,618 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 33 transitions. Complement of second has 8 states. [2024-11-10 22:34:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2024-11-10 22:34:56,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-10 22:34:56,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:56,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-10 22:34:56,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:56,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-10 22:34:56,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:56,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 33 transitions. [2024-11-10 22:34:56,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:34:56,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 15 states and 21 transitions. [2024-11-10 22:34:56,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-10 22:34:56,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-10 22:34:56,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2024-11-10 22:34:56,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:34:56,631 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-11-10 22:34:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2024-11-10 22:34:56,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-11-10 22:34:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:56,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2024-11-10 22:34:56,654 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-10 22:34:56,655 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-10 22:34:56,655 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 22:34:56,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2024-11-10 22:34:56,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:34:56,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:56,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:56,657 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-10 22:34:56,657 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:34:56,657 INFO L745 eck$LassoCheckResult]: Stem: 133#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 134#ULTIMATE.init_returnLabel#1 assume true;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; 137#L9 assume true; 130#L9-1 assume !!(main_~i~0#1 > 10); 135#L10 assume !(25 == main_~i~0#1); 139#L13 [2024-11-10 22:34:56,658 INFO L747 eck$LassoCheckResult]: Loop: 139#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 126#L9 assume true; 127#L9-1 assume !!(main_~i~0#1 > 10); 138#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 139#L13 [2024-11-10 22:34:56,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:56,658 INFO L85 PathProgramCache]: Analyzing trace with hash 40048007, now seen corresponding path program 1 times [2024-11-10 22:34:56,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:56,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390950282] [2024-11-10 22:34:56,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:56,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:56,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:56,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:56,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:56,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1021796, now seen corresponding path program 2 times [2024-11-10 22:34:56,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:56,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439248304] [2024-11-10 22:34:56,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:56,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:56,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:56,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:56,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:56,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1212185066, now seen corresponding path program 1 times [2024-11-10 22:34:56,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:56,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067996068] [2024-11-10 22:34:56,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:56,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:56,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:56,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:56,745 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:56,746 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:56,746 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:56,746 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:56,746 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:34:56,746 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,746 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:56,746 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:56,746 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration2_Loop [2024-11-10 22:34:56,746 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:56,746 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:56,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:56,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:56,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:56,799 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:56,800 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:34:56,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:56,802 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:56,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-10 22:34:56,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:56,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:56,829 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:56,829 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: [] [2024-11-10 22:34:56,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:56,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:56,847 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:56,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-10 22:34:56,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:56,855 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:56,879 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:56,879 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:34:56,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:56,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:56,896 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:56,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-10 22:34:56,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:56,898 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:56,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-10 22:34:56,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:56,929 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:56,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-10 22:34:56,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:56,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:56,944 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:34:56,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-10 22:34:56,956 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:56,956 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:56,956 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:56,956 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:56,956 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:34:56,956 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:56,957 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:56,957 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:56,957 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration2_Loop [2024-11-10 22:34:56,957 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:56,957 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:56,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:56,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:56,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:57,006 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:57,006 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:34:57,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:57,008 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:57,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-10 22:34:57,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:57,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:57,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:57,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:57,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:57,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:57,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:57,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:57,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-10 22:34:57,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:57,050 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:57,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-10 22:34:57,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:57,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:57,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:57,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:57,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:57,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:57,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:57,074 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:57,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-10 22:34:57,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:57,089 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) [2024-11-10 22:34:57,090 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 [2024-11-10 22:34:57,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:57,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:57,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:57,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:57,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:57,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:57,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:57,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:57,105 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:34:57,108 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:34:57,108 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:34:57,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:57,111 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) [2024-11-10 22:34:57,112 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 [2024-11-10 22:34:57,113 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:34:57,113 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:34:57,113 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:34:57,113 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 28 Supporting invariants [] [2024-11-10 22:34:57,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:57,128 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:34:57,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:57,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:57,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:57,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 22:34:57,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:57,177 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:57,178 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-11-10 22:34:57,198 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 29 states and 41 transitions. Complement of second has 5 states. [2024-11-10 22:34:57,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-11-10 22:34:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-10 22:34:57,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-10 22:34:57,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:57,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-10 22:34:57,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:57,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 5 letters. Loop has 8 letters. [2024-11-10 22:34:57,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:57,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 41 transitions. [2024-11-10 22:34:57,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-10 22:34:57,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 40 transitions. [2024-11-10 22:34:57,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-10 22:34:57,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-10 22:34:57,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 40 transitions. [2024-11-10 22:34:57,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:34:57,210 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 40 transitions. [2024-11-10 22:34:57,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 40 transitions. [2024-11-10 22:34:57,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2024-11-10 22:34:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 25 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 37 transitions. [2024-11-10 22:34:57,214 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 37 transitions. [2024-11-10 22:34:57,214 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 37 transitions. [2024-11-10 22:34:57,214 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 22:34:57,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 37 transitions. [2024-11-10 22:34:57,215 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-10 22:34:57,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:57,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:57,216 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-10 22:34:57,216 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:34:57,216 INFO L745 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 225#ULTIMATE.init_returnLabel#1 assume true;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; 229#L9 assume true; 235#L9-1 assume !!(main_~i~0#1 > 10); 234#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 220#L13 assume !(main_~i~0#1 <= 30);main_~i~0#1 := 20; 221#L9 [2024-11-10 22:34:57,217 INFO L747 eck$LassoCheckResult]: Loop: 221#L9 assume true; 237#L9-1 assume !!(main_~i~0#1 > 10); 240#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 239#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 221#L9 [2024-11-10 22:34:57,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:57,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1241488190, now seen corresponding path program 1 times [2024-11-10 22:34:57,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:57,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740904892] [2024-11-10 22:34:57,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:57,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-10 22:34:57,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:57,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:34:57,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740904892] [2024-11-10 22:34:57,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740904892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:34:57,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:34:57,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:34:57,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751278177] [2024-11-10 22:34:57,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:34:57,297 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 22:34:57,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:57,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1199486, now seen corresponding path program 3 times [2024-11-10 22:34:57,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:57,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147438215] [2024-11-10 22:34:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:57,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:57,301 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 [2024-11-10 22:34:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:57,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:57,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:57,331 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:57,331 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:57,331 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:57,331 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:57,331 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:34:57,332 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,332 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:57,332 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:57,332 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration3_Loop [2024-11-10 22:34:57,332 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:57,332 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:57,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:57,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:57,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:57,375 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:57,376 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:34:57,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:57,378 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) [2024-11-10 22:34:57,379 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 [2024-11-10 22:34:57,381 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:57,381 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:57,403 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:57,403 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: [] [2024-11-10 22:34:57,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-10 22:34:57,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:57,415 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) [2024-11-10 22:34:57,416 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 [2024-11-10 22:34:57,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:57,417 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:57,447 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 [2024-11-10 22:34:57,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:57,450 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) [2024-11-10 22:34:57,452 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 [2024-11-10 22:34:57,453 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:57,453 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:57,466 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:34:57,481 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 [2024-11-10 22:34:57,482 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:57,482 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:57,482 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:57,482 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:57,482 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:34:57,482 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,482 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:57,482 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:57,482 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration3_Loop [2024-11-10 22:34:57,482 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:57,482 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:57,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:57,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:57,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:57,539 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:57,539 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:34:57,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:57,544 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:57,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-10 22:34:57,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:57,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:57,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:57,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:57,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:57,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:57,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:57,570 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:57,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-10 22:34:57,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:57,587 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) [2024-11-10 22:34:57,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:57,590 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 [2024-11-10 22:34:57,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:57,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:57,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:57,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:57,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:57,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:57,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:57,609 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:34:57,612 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:34:57,613 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:34:57,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:57,615 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) [2024-11-10 22:34:57,616 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 [2024-11-10 22:34:57,617 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:34:57,617 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:34:57,617 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:34:57,617 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 27 Supporting invariants [] [2024-11-10 22:34:57,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:57,633 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:34:57,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:57,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:57,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:57,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 22:34:57,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:57,699 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:57,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 37 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:57,719 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 37 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 56 states and 80 transitions. Complement of second has 5 states. [2024-11-10 22:34:57,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-10 22:34:57,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-10 22:34:57,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:57,723 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:34:57,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:57,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:57,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:57,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 22:34:57,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:57,791 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:57,792 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 37 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:57,819 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 37 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 58 states and 84 transitions. Complement of second has 7 states. [2024-11-10 22:34:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:57,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-10 22:34:57,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-10 22:34:57,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:57,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-10 22:34:57,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:57,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-10 22:34:57,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:57,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 84 transitions. [2024-11-10 22:34:57,826 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2024-11-10 22:34:57,827 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 56 states and 82 transitions. [2024-11-10 22:34:57,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2024-11-10 22:34:57,828 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2024-11-10 22:34:57,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 82 transitions. [2024-11-10 22:34:57,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:34:57,828 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56 states and 82 transitions. [2024-11-10 22:34:57,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 82 transitions. [2024-11-10 22:34:57,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2024-11-10 22:34:57,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 53 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 77 transitions. [2024-11-10 22:34:57,834 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 77 transitions. [2024-11-10 22:34:57,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:34:57,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:34:57,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:34:57,838 INFO L87 Difference]: Start difference. First operand 54 states and 77 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:57,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:34:57,861 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2024-11-10 22:34:57,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2024-11-10 22:34:57,862 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-10 22:34:57,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 37 states and 47 transitions. [2024-11-10 22:34:57,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-11-10 22:34:57,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-11-10 22:34:57,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 47 transitions. [2024-11-10 22:34:57,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:34:57,866 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 47 transitions. [2024-11-10 22:34:57,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 47 transitions. [2024-11-10 22:34:57,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2024-11-10 22:34:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:57,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2024-11-10 22:34:57,870 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-11-10 22:34:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:34:57,872 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-11-10 22:34:57,872 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 22:34:57,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2024-11-10 22:34:57,873 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:34:57,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:57,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:57,875 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1] [2024-11-10 22:34:57,875 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:34:57,875 INFO L745 eck$LassoCheckResult]: Stem: 543#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 544#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 548#L9 assume true; 555#L9-1 assume !!(main_~i~0#1 > 10); 552#L10 assume !(25 == main_~i~0#1); 553#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 551#L9 assume true; 545#L9-1 assume !!(main_~i~0#1 > 10); 546#L10 assume !(25 == main_~i~0#1); 540#L13 [2024-11-10 22:34:57,875 INFO L747 eck$LassoCheckResult]: Loop: 540#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 536#L9 assume true; 537#L9-1 assume !!(main_~i~0#1 > 10); 554#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 540#L13 [2024-11-10 22:34:57,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:57,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1212185067, now seen corresponding path program 1 times [2024-11-10 22:34:57,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:57,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510591461] [2024-11-10 22:34:57,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:57,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:57,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:57,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:57,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:57,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1021796, now seen corresponding path program 4 times [2024-11-10 22:34:57,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:57,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690230824] [2024-11-10 22:34:57,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:57,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:57,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:57,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:57,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:57,912 INFO L85 PathProgramCache]: Analyzing trace with hash -565375922, now seen corresponding path program 2 times [2024-11-10 22:34:57,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:57,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168888494] [2024-11-10 22:34:57,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:57,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:57,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:57,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:57,955 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:57,955 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:57,955 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:57,955 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:57,955 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:34:57,956 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:57,956 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:57,956 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:57,956 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration4_Loop [2024-11-10 22:34:57,956 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:57,956 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:57,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:57,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:57,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:57,999 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:58,000 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:34:58,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,002 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) [2024-11-10 22:34:58,004 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 [2024-11-10 22:34:58,005 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:58,005 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:58,027 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:58,027 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: [] [2024-11-10 22:34:58,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-10 22:34:58,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,043 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) [2024-11-10 22:34:58,044 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 [2024-11-10 22:34:58,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:58,045 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:58,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:58,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,074 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) [2024-11-10 22:34:58,075 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 [2024-11-10 22:34:58,075 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:58,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:58,088 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:34:58,101 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 [2024-11-10 22:34:58,102 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:58,102 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:58,102 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:58,102 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:58,102 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:34:58,102 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,102 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:58,102 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:58,102 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration4_Loop [2024-11-10 22:34:58,102 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:58,102 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:58,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:58,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:58,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:58,149 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:58,149 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:34:58,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,152 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:58,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-10 22:34:58,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:58,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:58,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:58,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:58,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:58,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:58,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:58,171 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:58,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:58,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,188 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:58,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-10 22:34:58,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:58,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:58,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:58,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:58,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:58,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:58,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:34:58,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:58,208 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:34:58,211 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:34:58,211 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:34:58,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,213 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:58,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-10 22:34:58,215 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:34:58,215 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:34:58,215 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:34:58,215 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 28 Supporting invariants [] [2024-11-10 22:34:58,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-10 22:34:58,230 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:34:58,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:58,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:58,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:58,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 22:34:58,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:58,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:58,279 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:58,279 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:58,307 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 39 states and 52 transitions. Complement of second has 5 states. [2024-11-10 22:34:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-10 22:34:58,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-10 22:34:58,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:58,310 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:34:58,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:58,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:58,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:58,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 22:34:58,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:58,368 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:58,369 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:58,388 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 39 states and 52 transitions. Complement of second has 5 states. [2024-11-10 22:34:58,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-10 22:34:58,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-10 22:34:58,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:58,391 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:34:58,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:58,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:58,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:58,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 22:34:58,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:58,444 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 2 loop predicates [2024-11-10 22:34:58,444 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:58,464 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 43 states and 59 transitions. Complement of second has 6 states. [2024-11-10 22:34:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:58,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2024-11-10 22:34:58,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-10 22:34:58,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:58,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 13 letters. Loop has 4 letters. [2024-11-10 22:34:58,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:58,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 8 letters. [2024-11-10 22:34:58,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:58,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 59 transitions. [2024-11-10 22:34:58,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-10 22:34:58,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 36 states and 47 transitions. [2024-11-10 22:34:58,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-10 22:34:58,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-10 22:34:58,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 47 transitions. [2024-11-10 22:34:58,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:34:58,474 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 47 transitions. [2024-11-10 22:34:58,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 47 transitions. [2024-11-10 22:34:58,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 18. [2024-11-10 22:34:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:58,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2024-11-10 22:34:58,475 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-11-10 22:34:58,475 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-11-10 22:34:58,475 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-10 22:34:58,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2024-11-10 22:34:58,476 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-10 22:34:58,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:58,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:58,478 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-10 22:34:58,478 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:34:58,478 INFO L745 eck$LassoCheckResult]: Stem: 841#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 842#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 843#L9 assume true; 847#L9-1 assume !!(main_~i~0#1 > 10); 851#L10 assume !(25 == main_~i~0#1); 850#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 834#L9 [2024-11-10 22:34:58,478 INFO L747 eck$LassoCheckResult]: Loop: 834#L9 assume true; 835#L9-1 assume !!(main_~i~0#1 > 10); 844#L10 assume !(25 == main_~i~0#1); 838#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 834#L9 [2024-11-10 22:34:58,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:58,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1241488220, now seen corresponding path program 2 times [2024-11-10 22:34:58,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:58,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835894268] [2024-11-10 22:34:58,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:58,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:58,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:58,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:58,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:58,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1199517, now seen corresponding path program 1 times [2024-11-10 22:34:58,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:58,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17074727] [2024-11-10 22:34:58,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:58,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:58,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:58,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:58,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:58,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1076968584, now seen corresponding path program 3 times [2024-11-10 22:34:58,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:58,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817054429] [2024-11-10 22:34:58,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:58,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:58,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:58,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:58,527 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:58,527 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:58,527 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:58,527 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:58,528 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:34:58,528 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,528 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:58,528 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:58,528 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration5_Loop [2024-11-10 22:34:58,528 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:58,528 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:58,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:58,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:58,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:58,611 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:58,611 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:34:58,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,613 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:58,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-10 22:34:58,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:58,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:58,633 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:58,633 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_9=1} Honda state: {v_rep~unnamed0~0~true_9=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:34:58,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:58,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,645 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:58,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-10 22:34:58,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:58,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:58,663 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:58,663 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_9=0} Honda state: {v_rep~unnamed0~0~false_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:34:58,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:58,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,675 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:58,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-10 22:34:58,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:58,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:58,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:58,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,700 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:58,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-10 22:34:58,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:58,701 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:58,740 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:34:58,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:58,745 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:58,745 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:58,745 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:58,745 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:58,745 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:34:58,745 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,745 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:58,745 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:58,745 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration5_Loop [2024-11-10 22:34:58,745 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:58,745 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:58,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:58,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:58,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:58,821 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:58,821 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:34:58,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,823 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:58,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-10 22:34:58,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:58,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:58,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:58,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:58,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:58,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:58,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:58,844 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:58,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-10 22:34:58,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,860 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:58,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-10 22:34:58,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:58,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:58,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:58,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:58,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:58,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:58,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:58,893 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:58,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:58,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,909 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:58,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-10 22:34:58,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:58,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-10 22:34:58,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:58,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:58,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:58,924 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:34:58,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:58,926 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-10 22:34:58,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:58,929 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:34:58,933 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:34:58,933 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-10 22:34:58,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:58,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:58,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-10 22:34:58,938 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:58,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-10 22:34:58,940 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:34:58,940 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:34:58,940 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:34:58,940 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 [] [2024-11-10 22:34:58,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-10 22:34:58,954 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:34:58,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:58,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:58,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:58,991 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:34:58,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:59,010 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:59,010 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:59,027 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 49 states and 61 transitions. Complement of second has 7 states. [2024-11-10 22:34:59,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:59,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-10 22:34:59,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-10 22:34:59,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:59,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-10 22:34:59,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:59,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-10 22:34:59,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:59,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 61 transitions. [2024-11-10 22:34:59,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-10 22:34:59,034 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 39 states and 49 transitions. [2024-11-10 22:34:59,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-10 22:34:59,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-10 22:34:59,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2024-11-10 22:34:59,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:34:59,036 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2024-11-10 22:34:59,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2024-11-10 22:34:59,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2024-11-10 22:34:59,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:34:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2024-11-10 22:34:59,039 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 42 transitions. [2024-11-10 22:34:59,039 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2024-11-10 22:34:59,041 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-10 22:34:59,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2024-11-10 22:34:59,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-10 22:34:59,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:59,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:59,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-10 22:34:59,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:34:59,045 INFO L745 eck$LassoCheckResult]: Stem: 963#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 964#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 965#L9 assume true; 977#L9-1 assume !!(main_~i~0#1 > 10); 985#L10 assume !(25 == main_~i~0#1); 983#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 961#L9 assume true; 973#L9-1 assume !!(main_~i~0#1 > 10); 972#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 971#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 960#L9 [2024-11-10 22:34:59,045 INFO L747 eck$LassoCheckResult]: Loop: 960#L9 assume true; 980#L9-1 assume !!(main_~i~0#1 > 10); 979#L10 assume !(25 == main_~i~0#1); 959#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 960#L9 [2024-11-10 22:34:59,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:59,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1076968615, now seen corresponding path program 3 times [2024-11-10 22:34:59,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:59,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345562914] [2024-11-10 22:34:59,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:59,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:59,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:59,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1199517, now seen corresponding path program 2 times [2024-11-10 22:34:59,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:59,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994787938] [2024-11-10 22:34:59,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:59,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:59,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:59,064 INFO L85 PathProgramCache]: Analyzing trace with hash -375413515, now seen corresponding path program 4 times [2024-11-10 22:34:59,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:59,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974036121] [2024-11-10 22:34:59,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:59,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:59,110 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:59,111 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:59,111 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:59,111 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:59,111 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:34:59,111 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,111 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:59,111 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:59,111 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration6_Loop [2024-11-10 22:34:59,112 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:59,112 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:59,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:59,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:59,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:59,190 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:59,190 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:34:59,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:59,192 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:59,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-10 22:34:59,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:59,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:59,219 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:59,220 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:34:59,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-10 22:34:59,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:59,232 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:59,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-10 22:34:59,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:59,233 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:59,251 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:59,251 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:34:59,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-10 22:34:59,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:59,263 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:59,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-10 22:34:59,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:59,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:59,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-10 22:34:59,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:59,295 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:59,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-10 22:34:59,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:59,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:59,345 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:34:59,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-10 22:34:59,350 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:59,350 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:59,350 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:59,350 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:59,350 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:34:59,350 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,350 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:59,350 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:59,350 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration6_Loop [2024-11-10 22:34:59,351 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:59,351 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:59,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:59,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:59,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:59,427 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:59,427 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:34:59,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:59,430 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:59,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-10 22:34:59,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:59,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:59,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:59,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:34:59,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:59,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:34:59,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:34:59,450 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:34:59,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:59,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:59,467 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:59,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-10 22:34:59,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:34:59,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:34:59,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:34:59,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:34:59,483 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-10 22:34:59,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:34:59,484 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-10 22:34:59,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:34:59,489 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:34:59,493 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:34:59,493 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-10 22:34:59,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:59,495 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:59,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-10 22:34:59,499 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:34:59,499 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:34:59,499 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:34:59,499 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 [] [2024-11-10 22:34:59,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-10 22:34:59,514 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:34:59,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:59,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:59,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:59,556 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:34:59,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:59,575 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:59,576 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2024-11-10 22:34:59,593 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) Result 49 states and 61 transitions. Complement of second has 7 states. [2024-11-10 22:34:59,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2024-11-10 22:34:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-10 22:34:59,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-10 22:34:59,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:59,595 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:34:59,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:59,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:59,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:59,629 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:34:59,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:59,648 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-10 22:34:59,648 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2024-11-10 22:34:59,664 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) Result 49 states and 61 transitions. Complement of second has 7 states. [2024-11-10 22:34:59,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:59,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2024-11-10 22:34:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-10 22:34:59,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-10 22:34:59,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:59,665 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:34:59,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:59,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:34:59,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:34:59,699 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:34:59,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:34:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:34:59,719 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 2 loop predicates [2024-11-10 22:34:59,720 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2024-11-10 22:34:59,740 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) Result 50 states and 65 transitions. Complement of second has 6 states. [2024-11-10 22:34:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 22:34:59,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2024-11-10 22:34:59,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-10 22:34:59,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-10 22:34:59,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:59,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 14 letters. Loop has 4 letters. [2024-11-10 22:34:59,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:59,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-10 22:34:59,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:34:59,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 65 transitions. [2024-11-10 22:34:59,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-11-10 22:34:59,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 36 states and 46 transitions. [2024-11-10 22:34:59,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-10 22:34:59,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-10 22:34:59,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2024-11-10 22:34:59,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:34:59,744 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 46 transitions. [2024-11-10 22:34:59,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2024-11-10 22:34:59,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 24. [2024-11-10 22:34:59,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 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) [2024-11-10 22:34:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2024-11-10 22:34:59,747 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 32 transitions. [2024-11-10 22:34:59,747 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2024-11-10 22:34:59,747 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-10 22:34:59,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 32 transitions. [2024-11-10 22:34:59,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-10 22:34:59,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:34:59,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:34:59,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-10 22:34:59,751 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1] [2024-11-10 22:34:59,751 INFO L745 eck$LassoCheckResult]: Stem: 1304#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 1305#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 1308#L9 assume true; 1318#L9-1 assume !!(main_~i~0#1 > 10); 1309#L10 assume !(25 == main_~i~0#1); 1310#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 1298#L9 [2024-11-10 22:34:59,752 INFO L747 eck$LassoCheckResult]: Loop: 1298#L9 assume true; 1299#L9-1 assume !!(main_~i~0#1 > 10); 1307#L10 assume !(25 == main_~i~0#1); 1303#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 1302#L9 assume true; 1315#L9-1 assume !!(main_~i~0#1 > 10); 1314#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 1313#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 1298#L9 [2024-11-10 22:34:59,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:59,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1241488220, now seen corresponding path program 4 times [2024-11-10 22:34:59,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:59,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440805741] [2024-11-10 22:34:59,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:59,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,759 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:59,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:59,759 INFO L85 PathProgramCache]: Analyzing trace with hash -322147046, now seen corresponding path program 1 times [2024-11-10 22:34:59,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:59,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328494606] [2024-11-10 22:34:59,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:59,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,766 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:59,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:34:59,775 INFO L85 PathProgramCache]: Analyzing trace with hash -346784395, now seen corresponding path program 5 times [2024-11-10 22:34:59,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:34:59,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399758795] [2024-11-10 22:34:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:34:59,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:34:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:34:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:34:59,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:34:59,836 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:34:59,836 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:34:59,837 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:34:59,837 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:34:59,837 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:34:59,837 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,837 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:34:59,837 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:34:59,837 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration7_Loop [2024-11-10 22:34:59,837 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:34:59,838 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:34:59,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:59,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:59,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:34:59,878 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:34:59,878 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:34:59,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:59,881 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:59,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-10 22:34:59,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:59,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:59,901 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:59,902 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_13=1} Honda state: {v_rep~unnamed0~0~true_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:34:59,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-10 22:34:59,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:59,913 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:59,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-10 22:34:59,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:59,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:59,933 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:34:59,933 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_13=0} Honda state: {v_rep~unnamed0~0~false_13=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:34:59,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:59,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:59,945 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:59,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-10 22:34:59,949 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:34:59,949 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:59,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-10 22:34:59,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:34:59,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:34:59,979 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:34:59,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-10 22:34:59,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:34:59,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:34:59,994 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:35:00,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-10 22:35:00,005 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:35:00,005 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:35:00,005 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:35:00,005 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:35:00,005 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:35:00,005 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,005 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:35:00,006 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:35:00,006 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration7_Loop [2024-11-10 22:35:00,006 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:35:00,006 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:35:00,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:00,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:00,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:00,041 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:35:00,041 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:35:00,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,044 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-10 22:35:00,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:35:00,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:35:00,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:35:00,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:35:00,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:35:00,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:35:00,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:35:00,061 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:35:00,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-10 22:35:00,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,078 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-10 22:35:00,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:35:00,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:35:00,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:35:00,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:35:00,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:35:00,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:35:00,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:35:00,099 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:35:00,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-10 22:35:00,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,116 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-10 22:35:00,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:35:00,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:35:00,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:35:00,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:35:00,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:35:00,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:35:00,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:35:00,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:35:00,134 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:35:00,138 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:35:00,138 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:35:00,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,141 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-10 22:35:00,142 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:35:00,142 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:35:00,142 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:35:00,142 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 55 Supporting invariants [] [2024-11-10 22:35:00,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-10 22:35:00,158 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:35:00,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:00,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:35:00,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:00,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 22:35:00,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:00,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:35:00,227 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-10 22:35:00,227 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:00,252 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 74 states and 93 transitions. Complement of second has 7 states. [2024-11-10 22:35:00,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 22:35:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:00,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2024-11-10 22:35:00,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-10 22:35:00,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:00,253 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:35:00,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:00,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:35:00,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:00,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 22:35:00,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:35:00,316 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 [2024-11-10 22:35:00,316 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:00,349 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 81 transitions. Complement of second has 9 states. [2024-11-10 22:35:00,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-10 22:35:00,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:00,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2024-11-10 22:35:00,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-10 22:35:00,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:00,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 14 letters. Loop has 8 letters. [2024-11-10 22:35:00,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:00,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 6 letters. Loop has 16 letters. [2024-11-10 22:35:00,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:00,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 81 transitions. [2024-11-10 22:35:00,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-10 22:35:00,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 51 states and 65 transitions. [2024-11-10 22:35:00,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-10 22:35:00,354 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-10 22:35:00,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 65 transitions. [2024-11-10 22:35:00,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:35:00,354 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 65 transitions. [2024-11-10 22:35:00,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 65 transitions. [2024-11-10 22:35:00,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 41. [2024-11-10 22:35:00,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 40 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:00,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2024-11-10 22:35:00,357 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2024-11-10 22:35:00,357 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2024-11-10 22:35:00,357 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-10 22:35:00,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 54 transitions. [2024-11-10 22:35:00,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-10 22:35:00,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:35:00,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:35:00,358 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 2, 2, 1, 1] [2024-11-10 22:35:00,358 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1] [2024-11-10 22:35:00,361 INFO L745 eck$LassoCheckResult]: Stem: 1589#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 1590#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 1594#L9 assume true; 1602#L9-1 assume !!(main_~i~0#1 > 10); 1610#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 1609#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 1607#L9 assume true; 1608#L9-1 assume !!(main_~i~0#1 > 10); 1619#L10 assume !(25 == main_~i~0#1); 1618#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 1612#L9 assume true; 1614#L9-1 assume !!(main_~i~0#1 > 10); 1613#L10 assume !(25 == main_~i~0#1); 1611#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 1601#L9 assume true; 1606#L9-1 assume !!(main_~i~0#1 > 10); 1605#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 1599#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 1600#L9 [2024-11-10 22:35:00,361 INFO L747 eck$LassoCheckResult]: Loop: 1600#L9 assume true; 1614#L9-1 assume !!(main_~i~0#1 > 10); 1613#L10 assume !(25 == main_~i~0#1); 1611#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 1601#L9 assume true; 1606#L9-1 assume !!(main_~i~0#1 > 10); 1605#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 1599#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 1600#L9 [2024-11-10 22:35:00,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:00,362 INFO L85 PathProgramCache]: Analyzing trace with hash 689569778, now seen corresponding path program 6 times [2024-11-10 22:35:00,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:35:00,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533979240] [2024-11-10 22:35:00,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:35:00,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:35:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:00,437 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:35:00,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:35:00,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533979240] [2024-11-10 22:35:00,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533979240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 22:35:00,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268266869] [2024-11-10 22:35:00,438 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 22:35:00,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 22:35:00,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,451 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-10 22:35:00,476 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-11-10 22:35:00,476 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 22:35:00,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 22:35:00,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:00,499 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:35:00,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 22:35:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:35:00,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268266869] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 22:35:00,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 22:35:00,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2024-11-10 22:35:00,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694170485] [2024-11-10 22:35:00,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 22:35:00,540 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 22:35:00,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:00,540 INFO L85 PathProgramCache]: Analyzing trace with hash -322147046, now seen corresponding path program 2 times [2024-11-10 22:35:00,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:35:00,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795851443] [2024-11-10 22:35:00,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:35:00,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:35:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:00,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:35:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:00,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:35:00,572 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:35:00,572 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:35:00,572 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:35:00,572 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:35:00,572 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-10 22:35:00,572 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,572 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:35:00,572 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:35:00,572 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration8_Loop [2024-11-10 22:35:00,572 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:35:00,572 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:35:00,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:00,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:00,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:00,608 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:35:00,609 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-10 22:35:00,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,610 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-10 22:35:00,614 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:35:00,614 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:35:00,637 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:35:00,638 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:35:00,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-10 22:35:00,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,654 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-10 22:35:00,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:35:00,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:35:00,679 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-10 22:35:00,679 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_15=0} Honda state: {v_rep~unnamed0~0~false_15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-10 22:35:00,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-10 22:35:00,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,697 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-10 22:35:00,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-10 22:35:00,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:35:00,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-10 22:35:00,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,738 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-10 22:35:00,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-10 22:35:00,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-10 22:35:00,755 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-10 22:35:00,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-11-10 22:35:00,770 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:35:00,770 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:35:00,770 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:35:00,770 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:35:00,770 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:35:00,770 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,770 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:35:00,770 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:35:00,770 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sunset.c_Iteration8_Loop [2024-11-10 22:35:00,770 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:35:00,770 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:35:00,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:00,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:00,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:35:00,810 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:35:00,810 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:35:00,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,812 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-10 22:35:00,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:35:00,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:35:00,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:35:00,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:35:00,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:35:00,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:35:00,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:35:00,833 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:35:00,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-11-10 22:35:00,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,849 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-10 22:35:00,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:35:00,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:35:00,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:35:00,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:35:00,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:35:00,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:35:00,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:35:00,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:35:00,867 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:35:00,869 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-10 22:35:00,869 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-10 22:35:00,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:35:00,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:35:00,871 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:35:00,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-10 22:35:00,873 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:35:00,873 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-10 22:35:00,873 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:35:00,874 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 55 Supporting invariants [] [2024-11-10 22:35:00,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-11-10 22:35:00,888 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-10 22:35:00,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:00,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:35:00,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:00,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 22:35:00,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:00,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:35:00,974 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-10 22:35:00,974 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:00,996 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 110 states and 136 transitions. Complement of second has 7 states. [2024-11-10 22:35:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 22:35:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2024-11-10 22:35:00,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 18 letters. Loop has 8 letters. [2024-11-10 22:35:00,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:00,998 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:35:01,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:01,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:35:01,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:01,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 22:35:01,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:35:01,079 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 [2024-11-10 22:35:01,079 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:01,105 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 94 transitions. Complement of second has 9 states. [2024-11-10 22:35:01,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-10 22:35:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2024-11-10 22:35:01,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 18 letters. Loop has 8 letters. [2024-11-10 22:35:01,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:01,107 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:35:01,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:01,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:35:01,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:01,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-11-10 22:35:01,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-10 22:35:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:01,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 22:35:01,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:01,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-10 22:35:01,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-10 22:35:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:35:01,252 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 [2024-11-10 22:35:01,252 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:01,277 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 140 states and 180 transitions. Complement of second has 10 states. [2024-11-10 22:35:01,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-10 22:35:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2024-11-10 22:35:01,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 8 letters. [2024-11-10 22:35:01,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:01,279 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-10 22:35:01,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:01,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:35:01,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:35:01,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 22:35:01,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:35:01,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:35:01,354 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-10 22:35:01,354 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:01,390 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 106 states and 131 transitions. Complement of second has 11 states. [2024-11-10 22:35:01,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-10 22:35:01,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-11-10 22:35:01,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 18 letters. Loop has 8 letters. [2024-11-10 22:35:01,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:01,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 26 letters. Loop has 8 letters. [2024-11-10 22:35:01,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:01,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 18 letters. Loop has 16 letters. [2024-11-10 22:35:01,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:35:01,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 131 transitions. [2024-11-10 22:35:01,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2024-11-10 22:35:01,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 67 states and 83 transitions. [2024-11-10 22:35:01,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-10 22:35:01,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-10 22:35:01,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 83 transitions. [2024-11-10 22:35:01,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:35:01,394 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 83 transitions. [2024-11-10 22:35:01,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 83 transitions. [2024-11-10 22:35:01,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 36. [2024-11-10 22:35:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 35 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:01,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2024-11-10 22:35:01,399 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-11-10 22:35:01,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:35:01,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 22:35:01,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 22:35:01,400 INFO L87 Difference]: Start difference. First operand 36 states and 48 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:01,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:35:01,429 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2024-11-10 22:35:01,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 91 transitions. [2024-11-10 22:35:01,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2024-11-10 22:35:01,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 54 states and 62 transitions. [2024-11-10 22:35:01,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-10 22:35:01,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-11-10 22:35:01,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 62 transitions. [2024-11-10 22:35:01,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:35:01,430 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-10 22:35:01,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 62 transitions. [2024-11-10 22:35:01,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 44. [2024-11-10 22:35:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:35:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2024-11-10 22:35:01,433 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 51 transitions. [2024-11-10 22:35:01,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 22:35:01,434 INFO L425 stractBuchiCegarLoop]: Abstraction has 44 states and 51 transitions. [2024-11-10 22:35:01,434 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-10 22:35:01,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 51 transitions. [2024-11-10 22:35:01,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2024-11-10 22:35:01,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:35:01,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:35:01,435 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-10 22:35:01,435 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [5, 5, 5, 4, 1] [2024-11-10 22:35:01,435 INFO L745 eck$LassoCheckResult]: Stem: 2653#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 2654#ULTIMATE.init_returnLabel#1 assume true;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; 2658#L9 assume true; 2677#L9-1 assume !!(main_~i~0#1 > 10); 2662#L10 assume !(25 == main_~i~0#1); 2663#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 2672#L9 [2024-11-10 22:35:01,435 INFO L747 eck$LassoCheckResult]: Loop: 2672#L9 assume true; 2670#L9-1 assume !!(main_~i~0#1 > 10); 2666#L10 assume 25 == main_~i~0#1;main_~i~0#1 := 30; 2655#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 2649#L9 assume true; 2650#L9-1 assume !!(main_~i~0#1 > 10); 2660#L10 assume !(25 == main_~i~0#1); 2690#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 2689#L9 assume true; 2688#L9-1 assume !!(main_~i~0#1 > 10); 2687#L10 assume !(25 == main_~i~0#1); 2686#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 2684#L9 assume true; 2681#L9-1 assume !!(main_~i~0#1 > 10); 2683#L10 assume !(25 == main_~i~0#1); 2682#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 2680#L9 assume true; 2664#L9-1 assume !!(main_~i~0#1 > 10); 2665#L10 assume !(25 == main_~i~0#1); 2675#L13 assume main_~i~0#1 <= 30;main_~i~0#1 := main_~i~0#1 - 1; 2672#L9 [2024-11-10 22:35:01,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:01,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1241488220, now seen corresponding path program 5 times [2024-11-10 22:35:01,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:35:01,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80795486] [2024-11-10 22:35:01,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:35:01,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:35:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:01,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:35:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:01,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:35:01,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:01,441 INFO L85 PathProgramCache]: Analyzing trace with hash -157428242, now seen corresponding path program 3 times [2024-11-10 22:35:01,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:35:01,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114543196] [2024-11-10 22:35:01,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:35:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:35:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:01,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:35:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:01,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:35:01,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:35:01,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1646343625, now seen corresponding path program 7 times [2024-11-10 22:35:01,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:35:01,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826717602] [2024-11-10 22:35:01,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:35:01,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:35:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:01,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:35:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:01,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:35:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:01,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:35:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:35:01,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:35:01 BoogieIcfgContainer [2024-11-10 22:35:01,595 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:35:01,595 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:35:01,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:35:01,596 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:35:01,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:34:55" (3/4) ... [2024-11-10 22:35:01,598 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 22:35:01,625 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 22:35:01,625 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:35:01,626 INFO L158 Benchmark]: Toolchain (without parser) took 6718.46ms. Allocated memory was 169.9MB in the beginning and 251.7MB in the end (delta: 81.8MB). Free memory was 100.8MB in the beginning and 179.3MB in the end (delta: -78.5MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-10 22:35:01,626 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 169.9MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:35:01,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.82ms. Allocated memory is still 169.9MB. Free memory was 100.6MB in the beginning and 89.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 22:35:01,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.87ms. Allocated memory is still 169.9MB. Free memory was 89.3MB in the beginning and 88.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:35:01,627 INFO L158 Benchmark]: Boogie Preprocessor took 21.84ms. Allocated memory is still 169.9MB. Free memory was 88.1MB in the beginning and 86.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:35:01,627 INFO L158 Benchmark]: IcfgBuilder took 279.16ms. Allocated memory is still 169.9MB. Free memory was 86.7MB in the beginning and 135.2MB in the end (delta: -48.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-10 22:35:01,627 INFO L158 Benchmark]: BuchiAutomizer took 6122.94ms. Allocated memory was 169.9MB in the beginning and 251.7MB in the end (delta: 81.8MB). Free memory was 135.2MB in the beginning and 181.4MB in the end (delta: -46.2MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-10 22:35:01,628 INFO L158 Benchmark]: Witness Printer took 29.93ms. Allocated memory is still 251.7MB. Free memory was 181.4MB in the beginning and 179.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:35:01,631 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 169.9MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.82ms. Allocated memory is still 169.9MB. Free memory was 100.6MB in the beginning and 89.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.87ms. Allocated memory is still 169.9MB. Free memory was 89.3MB in the beginning and 88.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.84ms. Allocated memory is still 169.9MB. Free memory was 88.1MB in the beginning and 86.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 279.16ms. Allocated memory is still 169.9MB. Free memory was 86.7MB in the beginning and 135.2MB in the end (delta: -48.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 6122.94ms. Allocated memory was 169.9MB in the beginning and 251.7MB in the end (delta: 81.8MB). Free memory was 135.2MB in the beginning and 181.4MB in the end (delta: -46.2MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Witness Printer took 29.93ms. Allocated memory is still 251.7MB. Free memory was 181.4MB in the beginning and 179.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (2 trivial, 5 deterministic, 3 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function (((long) -1 * i) + 27) and consists of 5 locations. One deterministic module has affine ranking function (((long) -1 * i) + 28) and consists of 3 locations. One deterministic module has affine ranking function (((long) -1 * i) + 27) 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) + 55) and consists of 5 locations. One nondeterministic module has affine ranking function (((long) -1 * i) + 28) and consists of 3 locations. One nondeterministic module has affine ranking function i and consists of 4 locations. One nondeterministic module has affine ranking function (((long) -2 * i) + 55) and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 44 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.0s and 9 iterations. TraceHistogramMax:5. Analysis of lassos took 4.0s. Construction of modules took 0.2s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 10. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 101 StatesRemovedByMinimization, 10 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 3, 2, 1, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/8 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 223 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 205 mSDsluCounter, 206 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 238 IncrementalHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 164 mSDtfsCounter, 238 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT6 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax230 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf89 smp100 dnf115 smp96 tf112 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 14 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 9]: 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=26] [L10] COND FALSE !(i == 25) VAL [i=26] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=25] Loop: [L9] COND TRUE i > 10 [L10] COND TRUE i == 25 [L11] i = 30 [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 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: 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=26] [L10] COND FALSE !(i == 25) VAL [i=26] [L13] COND TRUE i <= 30 [L14] i = i-1 VAL [i=25] Loop: [L9] COND TRUE i > 10 [L10] COND TRUE i == 25 [L11] i = 30 [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 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 22:35:01,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-11-10 22:35:01,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)