./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.17.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f 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/b.17.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 c8ad5919f2c7d8d20fdeb64562e90991d5514131c2ca388368b0a2f7daf1fa4e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:55:27,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:55:27,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-12 20:55:27,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:55:27,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:55:27,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:55:27,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:55:27,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:55:27,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:55:27,562 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:55:27,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:55:27,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:55:27,563 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:55:27,564 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 20:55:27,566 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 20:55:27,566 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 20:55:27,567 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 20:55:27,567 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 20:55:27,567 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 20:55:27,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:55:27,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 20:55:27,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:55:27,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:55:27,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 20:55:27,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 20:55:27,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 20:55:27,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:55:27,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:55:27,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:55:27,574 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 20:55:27,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:55:27,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:55:27,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:55:27,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:55:27,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:55:27,576 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 20:55:27,576 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ad5919f2c7d8d20fdeb64562e90991d5514131c2ca388368b0a2f7daf1fa4e [2024-11-12 20:55:27,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:55:27,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:55:27,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:55:27,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:55:27,859 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:55:27,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.17.c [2024-11-12 20:55:29,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:55:29,381 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:55:29,381 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.17.c [2024-11-12 20:55:29,393 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c34ce6a29/66ada8136a154ba19a7c596cdd20ab05/FLAG5ae000090 [2024-11-12 20:55:29,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c34ce6a29/66ada8136a154ba19a7c596cdd20ab05 [2024-11-12 20:55:29,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:55:29,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:55:29,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:55:29,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:55:29,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:55:29,774 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:29" (1/1) ... [2024-11-12 20:55:29,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59eefa75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:29, skipping insertion in model container [2024-11-12 20:55:29,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:29" (1/1) ... [2024-11-12 20:55:29,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:55:30,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:55:30,009 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:55:30,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:55:30,032 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:55:30,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30 WrapperNode [2024-11-12 20:55:30,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:55:30,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:55:30,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:55:30,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:55:30,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,054 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-12 20:55:30,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:55:30,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:55:30,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:55:30,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:55:30,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,078 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-12 20:55:30,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:55:30,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:55:30,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:55:30,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:55:30,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (1/1) ... [2024-11-12 20:55:30,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:30,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:30,149 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) [2024-11-12 20:55:30,176 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 [2024-11-12 20:55:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:55:30,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:55:30,354 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:55:30,356 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:55:30,422 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-12 20:55:30,422 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:55:30,444 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:55:30,450 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 20:55:30,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:30 BoogieIcfgContainer [2024-11-12 20:55:30,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:55:30,452 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 20:55:30,452 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 20:55:30,459 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 20:55:30,459 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:55:30,460 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 08:55:29" (1/3) ... [2024-11-12 20:55:30,460 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51b2bc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:55:30, skipping insertion in model container [2024-11-12 20:55:30,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:55:30,461 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:30" (2/3) ... [2024-11-12 20:55:30,461 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51b2bc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 08:55:30, skipping insertion in model container [2024-11-12 20:55:30,461 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 20:55:30,464 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:30" (3/3) ... [2024-11-12 20:55:30,465 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.17.c [2024-11-12 20:55:30,549 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 20:55:30,553 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 20:55:30,553 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 20:55:30,553 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 20:55:30,554 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 20:55:30,554 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 20:55:30,554 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 20:55:30,554 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 20:55:30,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:30,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-12 20:55:30,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:30,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:30,593 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 20:55:30,595 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 20:55:30,599 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 20:55:30,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:30,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-12 20:55:30,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:30,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:30,600 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 20:55:30,601 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 20:55:30,614 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0;" [2024-11-12 20:55:30,615 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~x~0#1 > main_~z~0#1);" "assume !(main_~y~0#1 > main_~z~0#1);" "main_~x~0#1 := main_~x~0#1 - 1;" [2024-11-12 20:55:30,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:30,626 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-12 20:55:30,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:30,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792760191] [2024-11-12 20:55:30,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:30,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:30,735 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:30,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:30,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:30,759 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2024-11-12 20:55:30,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:30,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477829669] [2024-11-12 20:55:30,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:30,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:30,774 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:30,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:30,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:30,785 INFO L85 PathProgramCache]: Analyzing trace with hash 28699886, now seen corresponding path program 1 times [2024-11-12 20:55:30,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:30,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438527889] [2024-11-12 20:55:30,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:30,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:30,796 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:30,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:30,882 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:30,882 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:30,882 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:30,882 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:30,882 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:30,883 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:30,883 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:30,883 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:30,883 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration1_Loop [2024-11-12 20:55:30,883 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:30,883 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:30,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:30,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:30,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:30,979 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:30,980 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:30,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:30,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:30,983 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) [2024-11-12 20:55:30,984 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 [2024-11-12 20:55:30,986 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:30,986 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:31,011 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:31,011 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: [] [2024-11-12 20:55:31,022 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 [2024-11-12 20:55:31,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,025 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) [2024-11-12 20:55:31,026 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 [2024-11-12 20:55:31,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:31,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:31,046 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:31,046 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: [] [2024-11-12 20:55:31,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-12 20:55:31,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,059 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) [2024-11-12 20:55:31,060 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 [2024-11-12 20:55:31,060 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:31,064 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:31,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-12 20:55:31,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,092 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) [2024-11-12 20:55:31,093 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 [2024-11-12 20:55:31,093 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:31,093 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:31,256 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:31,261 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 [2024-11-12 20:55:31,262 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:31,262 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:31,262 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:31,263 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:31,263 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:31,264 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,264 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:31,264 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:31,264 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration1_Loop [2024-11-12 20:55:31,264 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:31,265 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:31,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:31,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:31,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:31,365 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:31,377 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:31,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,379 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) [2024-11-12 20:55:31,383 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 [2024-11-12 20:55:31,384 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 [2024-11-12 20:55:31,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:31,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:31,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:31,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:31,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:31,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:31,405 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:31,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:31,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,418 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) [2024-11-12 20:55:31,419 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 [2024-11-12 20:55:31,420 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 [2024-11-12 20:55:31,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:31,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:31,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:31,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:31,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:31,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:31,436 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:31,446 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 [2024-11-12 20:55:31,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,448 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) [2024-11-12 20:55:31,449 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 [2024-11-12 20:55:31,450 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 [2024-11-12 20:55:31,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:31,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:31,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:31,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:31,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:31,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:31,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:31,466 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:31,470 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-12 20:55:31,471 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:55:31,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,473 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) [2024-11-12 20:55:31,474 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 [2024-11-12 20:55:31,476 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:31,476 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:31,476 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:31,477 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2024-11-12 20:55:31,492 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 [2024-11-12 20:55:31,497 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:31,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:31,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:31,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:31,538 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:31,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:31,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:31,580 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 [2024-11-12 20:55:31,582 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:31,617 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 31 transitions. Complement of second has 6 states. [2024-11-12 20:55:31,620 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 [2024-11-12 20:55:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:55:31,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2024-11-12 20:55:31,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-12 20:55:31,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:31,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-12 20:55:31,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:31,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-12 20:55:31,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:31,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 31 transitions. [2024-11-12 20:55:31,627 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-12 20:55:31,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 8 states and 11 transitions. [2024-11-12 20:55:31,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2024-11-12 20:55:31,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-11-12 20:55:31,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-11-12 20:55:31,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 20:55:31,631 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-12 20:55:31,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-11-12 20:55:31,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2024-11-12 20:55:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2024-11-12 20:55:31,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2024-11-12 20:55:31,649 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2024-11-12 20:55:31,649 INFO L426 stractBuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2024-11-12 20:55:31,649 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 20:55:31,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2024-11-12 20:55:31,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-12 20:55:31,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 20:55:31,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 20:55:31,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 20:55:31,650 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-12 20:55:31,650 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0;" "assume !!(main_~x~0#1 > main_~z~0#1);" [2024-11-12 20:55:31,650 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~y~0#1 > main_~z~0#1);main_~y~0#1 := main_~y~0#1 - 1;" [2024-11-12 20:55:31,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:31,651 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-11-12 20:55:31,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:31,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320831924] [2024-11-12 20:55:31,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:31,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:31,655 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:31,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:31,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:31,657 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2024-11-12 20:55:31,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:31,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87394640] [2024-11-12 20:55:31,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:31,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:31,660 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:31,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:31,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:31,663 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2024-11-12 20:55:31,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:55:31,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974902925] [2024-11-12 20:55:31,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:55:31,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:55:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:31,667 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 20:55:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 20:55:31,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 20:55:31,682 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:31,682 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:31,682 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:31,682 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:31,682 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 20:55:31,682 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,682 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:31,682 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:31,682 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration2_Loop [2024-11-12 20:55:31,682 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:31,682 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:31,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:31,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:31,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:31,719 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:31,720 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 20:55:31,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,721 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) [2024-11-12 20:55:31,726 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 [2024-11-12 20:55:31,728 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:31,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:31,747 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:31,748 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: [] [2024-11-12 20:55:31,759 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 [2024-11-12 20:55:31,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,762 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) [2024-11-12 20:55:31,765 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 [2024-11-12 20:55:31,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:31,766 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:31,785 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 20:55:31,785 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: [] [2024-11-12 20:55:31,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-12 20:55:31,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,801 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) [2024-11-12 20:55:31,802 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 [2024-11-12 20:55:31,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 20:55:31,803 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:31,827 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 [2024-11-12 20:55:31,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,830 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) [2024-11-12 20:55:31,831 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 [2024-11-12 20:55:31,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 20:55:31,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 20:55:31,949 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 20:55:31,955 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 [2024-11-12 20:55:31,955 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 20:55:31,956 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 20:55:31,956 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 20:55:31,956 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 20:55:31,956 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 20:55:31,956 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,956 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 20:55:31,956 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 20:55:31,956 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration2_Loop [2024-11-12 20:55:31,956 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 20:55:31,956 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 20:55:31,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:31,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:31,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 20:55:31,993 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 20:55:31,993 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 20:55:31,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:31,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:31,997 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) [2024-11-12 20:55:32,001 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 [2024-11-12 20:55:32,002 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 [2024-11-12 20:55:32,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:32,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:32,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:32,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:32,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:32,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:32,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:32,031 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 [2024-11-12 20:55:32,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:32,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:32,036 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) [2024-11-12 20:55:32,040 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 [2024-11-12 20:55:32,041 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 [2024-11-12 20:55:32,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:32,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:32,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:32,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:32,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 20:55:32,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 20:55:32,057 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 20:55:32,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:32,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:32,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:32,073 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) [2024-11-12 20:55:32,074 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 [2024-11-12 20:55:32,075 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 [2024-11-12 20:55:32,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 20:55:32,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 20:55:32,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 20:55:32,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 20:55:32,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 20:55:32,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 20:55:32,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 20:55:32,089 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 20:55:32,092 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-12 20:55:32,092 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 20:55:32,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 20:55:32,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:55:32,093 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 20:55:32,095 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 [2024-11-12 20:55:32,096 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 20:55:32,096 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 20:55:32,096 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 20:55:32,096 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2024-11-12 20:55:32,106 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 [2024-11-12 20:55:32,108 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 20:55:32,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:55:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:32,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 20:55:32,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:55:32,130 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:55:32,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:55:32,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:55:32,131 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-12 20:55:32,131 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-11-12 20:55:32,139 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 14 states and 19 transitions. Complement of second has 4 states. [2024-11-12 20:55:32,140 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 [2024-11-12 20:55:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-11-12 20:55:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-11-12 20:55:32,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 1 letters. [2024-11-12 20:55:32,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:32,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 1 letters. [2024-11-12 20:55:32,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:32,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-12 20:55:32,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 20:55:32,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2024-11-12 20:55:32,142 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:55:32,142 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2024-11-12 20:55:32,142 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 20:55:32,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 20:55:32,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 20:55:32,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 20:55:32,142 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:55:32,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:55:32,143 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 20:55:32,143 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 20:55:32,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-12 20:55:32,143 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 20:55:32,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 20:55:32,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 08:55:32 BoogieIcfgContainer [2024-11-12 20:55:32,149 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 20:55:32,150 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 20:55:32,150 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 20:55:32,150 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 20:55:32,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:30" (3/4) ... [2024-11-12 20:55:32,152 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 20:55:32,153 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 20:55:32,154 INFO L158 Benchmark]: Toolchain (without parser) took 2387.41ms. Allocated memory is still 172.0MB. Free memory was 102.8MB in the beginning and 56.5MB in the end (delta: 46.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-12 20:55:32,154 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 172.0MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:55:32,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.06ms. Allocated memory is still 172.0MB. Free memory was 102.4MB in the beginning and 91.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-12 20:55:32,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.82ms. Allocated memory is still 172.0MB. Free memory was 91.2MB in the beginning and 89.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:55:32,155 INFO L158 Benchmark]: Boogie Preprocessor took 33.69ms. Allocated memory is still 172.0MB. Free memory was 89.9MB in the beginning and 88.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:55:32,155 INFO L158 Benchmark]: RCFGBuilder took 359.09ms. Allocated memory is still 172.0MB. Free memory was 88.4MB in the beginning and 134.1MB in the end (delta: -45.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 20:55:32,155 INFO L158 Benchmark]: BuchiAutomizer took 1697.75ms. Allocated memory is still 172.0MB. Free memory was 134.1MB in the beginning and 56.5MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-11-12 20:55:32,156 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 172.0MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:55:32,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 172.0MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.06ms. Allocated memory is still 172.0MB. Free memory was 102.4MB in the beginning and 91.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.82ms. Allocated memory is still 172.0MB. Free memory was 91.2MB in the beginning and 89.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.69ms. Allocated memory is still 172.0MB. Free memory was 89.9MB in the beginning and 88.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.09ms. Allocated memory is still 172.0MB. Free memory was 88.4MB in the beginning and 134.1MB in the end (delta: -45.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1697.75ms. Allocated memory is still 172.0MB. Free memory was 134.1MB in the beginning and 56.5MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 172.0MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -1 * z) + x) and consists of 4 locations. One deterministic module has affine ranking function (((long) -1 * z) + y) and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 6 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax189 hnf100 lsp52 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq145 hnf94 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-12 20:55:32,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:32,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-12 20:55:32,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE