./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/c.02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d 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/c.02.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 ec6e9d2be73321164eafccfcba6c9ab6d46693cbd28502eb52f7ed5ea8ae4935 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:04:38,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:04:38,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-17 08:04:38,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:04:38,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:04:38,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:04:38,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:04:38,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:04:38,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:04:38,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:04:38,543 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:04:38,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:04:38,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:04:38,546 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:04:38,547 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:04:38,547 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:04:38,547 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:04:38,548 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:04:38,548 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:04:38,548 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:04:38,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:04:38,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:04:38,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:04:38,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:04:38,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:04:38,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:04:38,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:04:38,554 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:04:38,554 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:04:38,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:04:38,555 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:04:38,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:04:38,555 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:04:38,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:04:38,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:04:38,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:04:38,560 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:04:38,560 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec6e9d2be73321164eafccfcba6c9ab6d46693cbd28502eb52f7ed5ea8ae4935 [2024-11-17 08:04:38,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:04:38,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:04:38,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:04:38,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:04:38,852 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:04:38,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/c.02.c [2024-11-17 08:04:40,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:04:40,345 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:04:40,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/c.02.c [2024-11-17 08:04:40,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fa62b2b8/920a645b6b0e41a7b6e00f5170c0bbe8/FLAG0d3c322a1 [2024-11-17 08:04:40,743 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fa62b2b8/920a645b6b0e41a7b6e00f5170c0bbe8 [2024-11-17 08:04:40,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:04:40,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:04:40,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:04:40,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:04:40,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:04:40,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:04:40" (1/1) ... [2024-11-17 08:04:40,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7853cf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:40, skipping insertion in model container [2024-11-17 08:04:40,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:04:40" (1/1) ... [2024-11-17 08:04:40,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:04:40,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:04:40,982 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:04:41,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:04:41,028 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:04:41,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41 WrapperNode [2024-11-17 08:04:41,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:04:41,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:04:41,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:04:41,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:04:41,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,054 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-17 08:04:41,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:04:41,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:04:41,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:04:41,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:04:41,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,066 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,072 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 08:04:41,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:04:41,081 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:04:41,081 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:04:41,081 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:04:41,082 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (1/1) ... [2024-11-17 08:04:41,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,115 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) [2024-11-17 08:04:41,118 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 [2024-11-17 08:04:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:04:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:04:41,239 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:04:41,241 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:04:41,311 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-17 08:04:41,311 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:04:41,326 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:04:41,328 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:04:41,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:04:41 BoogieIcfgContainer [2024-11-17 08:04:41,329 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:04:41,330 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:04:41,331 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:04:41,334 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:04:41,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:04:41,335 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:04:40" (1/3) ... [2024-11-17 08:04:41,336 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@478811a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:04:41, skipping insertion in model container [2024-11-17 08:04:41,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:04:41,337 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:41" (2/3) ... [2024-11-17 08:04:41,337 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@478811a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:04:41, skipping insertion in model container [2024-11-17 08:04:41,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:04:41,338 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:04:41" (3/3) ... [2024-11-17 08:04:41,340 INFO L332 chiAutomizerObserver]: Analyzing ICFG c.02.c [2024-11-17 08:04:41,405 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:04:41,406 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:04:41,406 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:04:41,406 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:04:41,406 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:04:41,407 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:04:41,407 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:04:41,408 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:04:41,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2024-11-17 08:04:41,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:04:41,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:41,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:41,435 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:04:41,435 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-17 08:04:41,435 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:04:41,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2024-11-17 08:04:41,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:04:41,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:41,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:41,438 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:04:41,438 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-17 08:04:41,443 INFO L745 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#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_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~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;main_~c~0#1 := 0; 10#L10true [2024-11-17 08:04:41,444 INFO L747 eck$LassoCheckResult]: Loop: 10#L10true assume true; 11#L10-1true assume !!(main_~x~0#1 >= 0 && main_~x~0#1 < 2147483647);main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := 1; 8#L13true assume !true; 2#L16true main_~x~0#1 := main_~x~0#1 - 2; 10#L10true [2024-11-17 08:04:41,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1504, now seen corresponding path program 1 times [2024-11-17 08:04:41,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:41,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131218930] [2024-11-17 08:04:41,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:41,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1353370, now seen corresponding path program 1 times [2024-11-17 08:04:41,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:41,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415671699] [2024-11-17 08:04:41,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:41,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:04:41,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415671699] [2024-11-17 08:04:41,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415671699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:04:41,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:04:41,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:04:41,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714068696] [2024-11-17 08:04:41,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:04:41,608 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:04:41,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:04:41,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 08:04:41,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 08:04:41,642 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2024-11-17 08:04:41,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:04:41,646 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2024-11-17 08:04:41,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2024-11-17 08:04:41,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:04:41,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 8 transitions. [2024-11-17 08:04:41,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-17 08:04:41,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-17 08:04:41,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2024-11-17 08:04:41,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:04:41,653 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-17 08:04:41,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2024-11-17 08:04:41,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-17 08:04:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-11-17 08:04:41,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2024-11-17 08:04:41,671 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-17 08:04:41,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 08:04:41,676 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-17 08:04:41,676 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:04:41,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2024-11-17 08:04:41,677 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-17 08:04:41,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:41,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:41,678 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:04:41,678 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-17 08:04:41,678 INFO L745 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 35#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 31#L10 [2024-11-17 08:04:41,678 INFO L747 eck$LassoCheckResult]: Loop: 31#L10 assume true; 36#L10-1 assume !!(main_~x~0#1 >= 0 && main_~x~0#1 < 2147483647);main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := 1; 33#L13 assume true; 32#L13-1 assume !(main_~x~0#1 > main_~y~0#1); 30#L16 main_~x~0#1 := main_~x~0#1 - 2; 31#L10 [2024-11-17 08:04:41,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1504, now seen corresponding path program 2 times [2024-11-17 08:04:41,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:41,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184613396] [2024-11-17 08:04:41,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:41,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,689 INFO L85 PathProgramCache]: Analyzing trace with hash 41953574, now seen corresponding path program 1 times [2024-11-17 08:04:41,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:41,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729254676] [2024-11-17 08:04:41,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:41,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:41,709 INFO L85 PathProgramCache]: Analyzing trace with hash 121894567, now seen corresponding path program 1 times [2024-11-17 08:04:41,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:41,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368570513] [2024-11-17 08:04:41,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:41,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:41,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:41,869 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:41,869 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:41,870 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:41,870 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:41,870 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:04:41,870 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,870 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:41,870 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:41,870 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration2_Loop [2024-11-17 08:04:41,871 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:41,871 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:41,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:41,990 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:41,991 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:04:41,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:41,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:41,995 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) [2024-11-17 08:04:41,997 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 [2024-11-17 08:04:41,998 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,000 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,022 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:42,023 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: [] [2024-11-17 08:04:42,034 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 [2024-11-17 08:04:42,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,036 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) [2024-11-17 08:04:42,037 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 [2024-11-17 08:04:42,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,062 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:42,063 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: [] [2024-11-17 08:04:42,074 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 [2024-11-17 08:04:42,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,076 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) [2024-11-17 08:04:42,077 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 [2024-11-17 08:04:42,079 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,079 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,094 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:42,094 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=0} Honda state: {ULTIMATE.start_main_~y~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:04:42,105 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 [2024-11-17 08:04:42,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,108 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) [2024-11-17 08:04:42,109 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 [2024-11-17 08:04:42,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,132 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 [2024-11-17 08:04:42,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,134 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) [2024-11-17 08:04:42,135 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 [2024-11-17 08:04:42,136 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:04:42,136 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,168 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:04:42,172 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 [2024-11-17 08:04:42,172 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:42,173 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:42,173 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:42,173 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:42,173 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:04:42,173 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,174 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:42,174 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:42,175 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration2_Loop [2024-11-17 08:04:42,175 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:42,175 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:42,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,267 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:42,285 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:04:42,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,291 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) [2024-11-17 08:04:42,292 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 [2024-11-17 08:04:42,293 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 [2024-11-17 08:04:42,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:42,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:42,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:42,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:42,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:04:42,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:04:42,330 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:04:42,347 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 [2024-11-17 08:04:42,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,350 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) [2024-11-17 08:04:42,352 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 [2024-11-17 08:04:42,353 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 [2024-11-17 08:04:42,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:42,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:42,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:42,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:42,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:04:42,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:04:42,372 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:04:42,387 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 [2024-11-17 08:04:42,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,393 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) [2024-11-17 08:04:42,396 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 [2024-11-17 08:04:42,397 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 [2024-11-17 08:04:42,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:42,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:04:42,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:42,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:42,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:42,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:04:42,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:04:42,417 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:04:42,433 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 [2024-11-17 08:04:42,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,436 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) [2024-11-17 08:04:42,438 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 [2024-11-17 08:04:42,439 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 [2024-11-17 08:04:42,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:42,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:04:42,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:42,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:42,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:42,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:04:42,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:04:42,455 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:04:42,457 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:04:42,457 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-17 08:04:42,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,475 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) [2024-11-17 08:04:42,477 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 [2024-11-17 08:04:42,477 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:04:42,477 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:04:42,477 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:04:42,478 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-17 08:04:42,489 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 [2024-11-17 08:04:42,492 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:04:42,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:42,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:04:42,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:42,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 08:04:42,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:42,626 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 [2024-11-17 08:04:42,628 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:42,665 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 15 transitions. Complement of second has 6 states. [2024-11-17 08:04:42,669 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 [2024-11-17 08:04:42,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:04:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-17 08:04:42,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 5 letters. [2024-11-17 08:04:42,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:42,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-17 08:04:42,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:42,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 10 letters. [2024-11-17 08:04:42,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:42,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2024-11-17 08:04:42,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:04:42,679 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions. [2024-11-17 08:04:42,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-17 08:04:42,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-17 08:04:42,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-11-17 08:04:42,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:04:42,679 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-17 08:04:42,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-11-17 08:04:42,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-17 08:04:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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) [2024-11-17 08:04:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-11-17 08:04:42,684 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-17 08:04:42,684 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-17 08:04:42,684 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:04:42,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2024-11-17 08:04:42,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:04:42,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:42,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:42,686 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-17 08:04:42,686 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:04:42,686 INFO L745 eck$LassoCheckResult]: Stem: 98#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 99#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 100#L10 assume true; 102#L10-1 assume !!(main_~x~0#1 >= 0 && main_~x~0#1 < 2147483647);main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := 1; 95#L13 [2024-11-17 08:04:42,687 INFO L747 eck$LassoCheckResult]: Loop: 95#L13 assume true; 94#L13-1 assume !!(main_~x~0#1 > main_~y~0#1);main_~y~0#1 := 1 + main_~y~0#1; 95#L13 [2024-11-17 08:04:42,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:42,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1445791, now seen corresponding path program 1 times [2024-11-17 08:04:42,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:42,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73748447] [2024-11-17 08:04:42,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:42,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:42,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:42,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 1 times [2024-11-17 08:04:42,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:42,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347238928] [2024-11-17 08:04:42,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:42,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:42,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:42,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1389405406, now seen corresponding path program 1 times [2024-11-17 08:04:42,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:42,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506928816] [2024-11-17 08:04:42,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:42,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:42,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:42,743 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:42,743 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:42,744 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:42,744 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:42,744 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:04:42,744 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,744 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:42,744 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:42,744 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration3_Loop [2024-11-17 08:04:42,744 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:42,744 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:42,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:42,791 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:42,791 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:04:42,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,796 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) [2024-11-17 08:04:42,796 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 [2024-11-17 08:04:42,798 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,798 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,821 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:42,821 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: [] [2024-11-17 08:04:42,837 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 [2024-11-17 08:04:42,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,842 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) [2024-11-17 08:04:42,843 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 [2024-11-17 08:04:42,844 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:42,844 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:42,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:42,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:42,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:42,882 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) [2024-11-17 08:04:42,884 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 [2024-11-17 08:04:42,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:04:42,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:43,011 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:04:43,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:43,016 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:43,016 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:43,016 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:43,016 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:43,016 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:04:43,016 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,016 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:43,016 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:43,016 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration3_Loop [2024-11-17 08:04:43,016 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:43,017 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:43,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:43,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:43,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:43,067 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:43,067 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:04:43,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:43,069 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) [2024-11-17 08:04:43,071 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 [2024-11-17 08:04:43,072 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 [2024-11-17 08:04:43,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:43,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:43,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:43,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:43,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:04:43,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:04:43,090 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:04:43,105 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 [2024-11-17 08:04:43,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:43,107 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) [2024-11-17 08:04:43,108 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 [2024-11-17 08:04:43,109 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 [2024-11-17 08:04:43,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:43,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:04:43,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:43,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:43,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:43,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:04:43,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:04:43,125 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:04:43,128 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:04:43,129 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-17 08:04:43,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:43,132 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) [2024-11-17 08:04:43,133 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 [2024-11-17 08:04:43,134 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:04:43,134 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:04:43,134 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:04:43,134 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-17 08:04:43,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-17 08:04:43,151 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:04:43,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,189 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:43,194 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 [2024-11-17 08:04:43,194 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) 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) [2024-11-17 08:04:43,205 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) 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) Result 20 states and 25 transitions. Complement of second has 5 states. [2024-11-17 08:04:43,207 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 [2024-11-17 08:04:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) 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) [2024-11-17 08:04:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-17 08:04:43,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-17 08:04:43,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-17 08:04:43,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-17 08:04:43,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2024-11-17 08:04:43,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:04:43,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 18 transitions. [2024-11-17 08:04:43,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-17 08:04:43,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-17 08:04:43,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2024-11-17 08:04:43,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:04:43,213 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-17 08:04:43,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2024-11-17 08:04:43,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-17 08:04:43,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 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) [2024-11-17 08:04:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2024-11-17 08:04:43,216 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-17 08:04:43,216 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-17 08:04:43,216 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-17 08:04:43,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2024-11-17 08:04:43,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-17 08:04:43,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:04:43,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:04:43,217 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-17 08:04:43,217 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:04:43,218 INFO L745 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 167#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 170#L10 assume true; 171#L10-1 assume !!(main_~x~0#1 >= 0 && main_~x~0#1 < 2147483647);main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := 1; 165#L13 assume true; 174#L13-1 assume !(main_~x~0#1 > main_~y~0#1); 160#L16 main_~x~0#1 := main_~x~0#1 - 2; 161#L10 assume true; 173#L10-1 assume !!(main_~x~0#1 >= 0 && main_~x~0#1 < 2147483647);main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := 1; 163#L13 [2024-11-17 08:04:43,218 INFO L747 eck$LassoCheckResult]: Loop: 163#L13 assume true; 162#L13-1 assume !!(main_~x~0#1 > main_~y~0#1);main_~y~0#1 := 1 + main_~y~0#1; 163#L13 [2024-11-17 08:04:43,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:43,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1176562342, now seen corresponding path program 2 times [2024-11-17 08:04:43,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:43,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410934940] [2024-11-17 08:04:43,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:43,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:43,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:04:43,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410934940] [2024-11-17 08:04:43,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410934940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:04:43,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:04:43,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:04:43,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243165960] [2024-11-17 08:04:43,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:04:43,332 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-17 08:04:43,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:43,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 2 times [2024-11-17 08:04:43,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:04:43,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296209496] [2024-11-17 08:04:43,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:04:43,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:04:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:43,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:04:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:04:43,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:04:43,364 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:43,365 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:43,365 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:43,365 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:43,365 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:04:43,365 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,365 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:43,366 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:43,366 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration4_Loop [2024-11-17 08:04:43,366 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:43,366 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:43,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:43,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:43,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:43,410 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:43,410 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:04:43,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:43,412 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) [2024-11-17 08:04:43,414 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 [2024-11-17 08:04:43,415 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:43,415 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:43,434 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:04:43,434 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: [] [2024-11-17 08:04:43,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:43,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:43,446 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) [2024-11-17 08:04:43,447 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 [2024-11-17 08:04:43,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:04:43,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:43,475 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 [2024-11-17 08:04:43,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:43,478 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) [2024-11-17 08:04:43,480 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 [2024-11-17 08:04:43,481 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:04:43,481 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:04:43,613 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:04:43,617 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 [2024-11-17 08:04:43,618 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:04:43,618 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:04:43,618 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:04:43,618 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:04:43,618 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:04:43,618 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,618 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:04:43,618 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:04:43,618 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration4_Loop [2024-11-17 08:04:43,618 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:04:43,618 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:04:43,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:43,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:43,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:04:43,669 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:04:43,669 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:04:43,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:43,671 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) [2024-11-17 08:04:43,672 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 [2024-11-17 08:04:43,673 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 [2024-11-17 08:04:43,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:43,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:43,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:43,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:43,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:04:43,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:04:43,694 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:04:43,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-17 08:04:43,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:43,709 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) [2024-11-17 08:04:43,710 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 [2024-11-17 08:04:43,710 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 [2024-11-17 08:04:43,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:04:43,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:04:43,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:04:43,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:04:43,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:04:43,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:04:43,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:04:43,728 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:04:43,731 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:04:43,731 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-17 08:04:43,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:04:43,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:04:43,733 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) [2024-11-17 08:04:43,735 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 [2024-11-17 08:04:43,736 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:04:43,736 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:04:43,736 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:04:43,736 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -1*ULTIMATE.start_main_~y~0#1 + 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-17 08:04:43,749 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 [2024-11-17 08:04:43,750 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:04:43,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,788 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:43,792 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 [2024-11-17 08:04:43,792 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-11-17 08:04:43,804 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 17 states and 20 transitions. Complement of second has 5 states. [2024-11-17 08:04:43,805 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 [2024-11-17 08:04:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-11-17 08:04:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-17 08:04:43,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-17 08:04:43,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,807 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-17 08:04:43,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,858 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:43,863 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-17 08:04:43,863 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-11-17 08:04:43,872 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 17 states and 20 transitions. Complement of second has 5 states. [2024-11-17 08:04:43,873 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 [2024-11-17 08:04:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-11-17 08:04:43,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-17 08:04:43,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-17 08:04:43,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,874 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-17 08:04:43,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:04:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:04:43,914 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:04:43,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:04:43,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:04:43,916 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 1 loop predicates [2024-11-17 08:04:43,916 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-11-17 08:04:43,926 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 20 states and 24 transitions. Complement of second has 4 states. [2024-11-17 08:04:43,928 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 [2024-11-17 08:04:43,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-11-17 08:04:43,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-17 08:04:43,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-17 08:04:43,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-17 08:04:43,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-17 08:04:43,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:04:43,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2024-11-17 08:04:43,931 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:04:43,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2024-11-17 08:04:43,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:04:43,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:04:43,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:04:43,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:04:43,933 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:04:43,933 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:04:43,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:04:43,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:04:43,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:04:43,934 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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) [2024-11-17 08:04:43,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:04:43,934 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-17 08:04:43,934 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-17 08:04:43,934 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:04:43,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 08:04:43,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:04:43,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:04:43,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:04:43,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:04:43,935 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:04:43,935 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:04:43,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 08:04:43,936 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:04:43,936 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-17 08:04:43,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:04:43,937 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:04:43,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:04:43,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:04:43 BoogieIcfgContainer [2024-11-17 08:04:43,943 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:04:43,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:04:43,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:04:43,944 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:04:43,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:04:41" (3/4) ... [2024-11-17 08:04:43,947 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:04:43,948 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:04:43,952 INFO L158 Benchmark]: Toolchain (without parser) took 3202.19ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 72.9MB in the beginning and 86.2MB in the end (delta: -13.3MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2024-11-17 08:04:43,952 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:04:43,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.16ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 72.7MB in the beginning and 170.4MB in the end (delta: -97.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 08:04:43,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.37ms. Allocated memory is still 197.1MB. Free memory was 170.4MB in the beginning and 168.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:04:43,955 INFO L158 Benchmark]: Boogie Preprocessor took 24.37ms. Allocated memory is still 197.1MB. Free memory was 168.3MB in the beginning and 167.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:04:43,955 INFO L158 Benchmark]: IcfgBuilder took 248.43ms. Allocated memory is still 197.1MB. Free memory was 167.2MB in the beginning and 157.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 08:04:43,956 INFO L158 Benchmark]: BuchiAutomizer took 2613.44ms. Allocated memory is still 197.1MB. Free memory was 157.8MB in the beginning and 86.2MB in the end (delta: 71.6MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2024-11-17 08:04:43,956 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 197.1MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:04:43,957 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 142.6MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.16ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 72.7MB in the beginning and 170.4MB in the end (delta: -97.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.37ms. Allocated memory is still 197.1MB. Free memory was 170.4MB in the beginning and 168.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.37ms. Allocated memory is still 197.1MB. Free memory was 168.3MB in the beginning and 167.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 248.43ms. Allocated memory is still 197.1MB. Free memory was 167.2MB in the beginning and 157.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2613.44ms. Allocated memory is still 197.1MB. Free memory was 157.8MB in the beginning and 86.2MB in the end (delta: 71.6MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 197.1MB. Free memory is still 86.2MB. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((long) 2 * x) + 1) and consists of 4 locations. One deterministic module has affine ranking function (((long) -1 * y) + x) and consists of 3 locations. One nondeterministic module has affine ranking function (((long) -1 * y) + x) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 40 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax193 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp91 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-17 08:04:43,982 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 [2024-11-17 08:04:44,178 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 [2024-11-17 08:04:44,378 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 [2024-11-17 08:04:44,583 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 Result: TRUE